1
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Gomes YHF, Logrado M, Inoue T, Nakane S, Kato Y, Yamazaki H, Yamada A, Eckert H. Structural Aspects of Ambient-Temperature Densification of Highly Crack-Resistant Borosilicate and Aluminoborosilicate Glasses: Two Case Studies Examined by Solid-State NMR. J Phys Chem B 2024; 128:3508-3520. [PMID: 38560894 DOI: 10.1021/acs.jpcb.4c00560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
The structural aspects of ambient-temperature densification via pressurization at 25 GPa were studied by solid-state NMR for two case studies: An alkaline earth boroaluminosilicate glass with the composition 6CaO-3SrO-1BaO-10Al2O3-10B2O3-70SiO2 (labeled SAB) and a sodium magnesium borosilicate glass with the composition 10Na2O-10MgO-20B2O3-60SiO2 (labeled MNBS). For SAB glass, cold pressurization results in significant increases in the average coordination numbers of both boron and aluminum, in line with previous results found in hot-compressed alkali aluminoborosilicate glasses. In addition, 27Al/11B dipolar recoupling experiments reveal a significant decrease in the 11B/27Al dipolar interaction strength upon pressurization, suggesting that the higher-coordinated boron and aluminum species experience weaker magnetic interactions. While this is an expected consequence of the longer internuclear distances involving higher coordination states, the magnitude of the effect also is consistent with a decrease of average B-O-Al internuclear connectivity. By conjecture, a decreased B-O-Al connectivity may present a mechanism of plastic flow inhibiting crack initiation in aluminoborosilicate glasses. In the case of the MNBS glass, no change in the average boron coordination number was observed within experimental error; however, densification increases the extent of B-O-Si connectivity at the expense of small ring structures with dominant B-O-B connectivity. With regard to boron coordination, the data obtained for both case studies differ from those previously found in a series of alkali borosilicate glasses, which had shown an unexpected decrease in N4 upon increased pressure. The results of the present study highlight the importance of changes of medium-range order regarding densification.
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Affiliation(s)
- Yara Hellen Firmo Gomes
- Instituto de Física de São Carlos, Universidade de São Paulo, Avenida Trabalhador São Carlense 400, São Carlos, SP 13566-590, Brazil
| | - Millena Logrado
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität of Darmstadt, Peter-Grünberg- Straße 8, L2|04 D208, 64287 Darmstadt, Germany
| | - Tomiki Inoue
- Nippon Electric Glass Co., Ltd., 7-1, Seiran 2-chome, Otsu, Shiga 520-8639, Japan
| | - Shingo Nakane
- Nippon Electric Glass Co., Ltd., 7-1, Seiran 2-chome, Otsu, Shiga 520-8639, Japan
| | - Yoshinari Kato
- Nippon Electric Glass Co., Ltd., 7-1, Seiran 2-chome, Otsu, Shiga 520-8639, Japan
| | - Hiroki Yamazaki
- Nippon Electric Glass Co., Ltd., 7-1, Seiran 2-chome, Otsu, Shiga 520-8639, Japan
| | - Akihiro Yamada
- Department of Materials Chemistry, The University of Shiga Prefecture, 2500 Hassaka, Hikone, Shiga 522-8533, Japan
| | - Hellmut Eckert
- Instituto de Física de São Carlos, Universidade de São Paulo, Avenida Trabalhador São Carlense 400, São Carlos, SP 13566-590, Brazil
- Institut für Physikalische Chemie, WWU Münster, Corrensstraße 28-30, 48149 Münster, Germany
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2
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Logrado M, Inoue T, Nakane S, Kato Y, Yamazaki H, Yamada A, Eckert H. Densification of Sodium Borosilicate Glasses at Ambient Temperature: Structural Investigations by Solid-State Nuclear Magnetic Resonance and Raman Scattering. J Phys Chem Lett 2023; 14:4471-4481. [PMID: 37154700 DOI: 10.1021/acs.jpclett.3c00540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Alkali-borosilicate glasses with composition (80-x)SiO2-xB2O3-20Na2O (10 ≤ x ≤ 30) were subjected to a 25 GPa compression and decompression at room temperature, resulting in density increases between 1.4% and 1.9%. The structural changes associated with this process have been investigated and compared with uncompressed glasses having the same thermal history. Systematic trends are identified, using Raman scattering and multinuclear solid-state Nuclear Magnetic Resonance (ssNMR). Perhaps counterintuitively, pressurization tends to increase the concentration of three-coordinated boron species (B(III) units) at the expense of four-coordinated boron (B(IV) units). 23Na NMR spectra show a systematic shift toward higher frequencies in the pressurized glasses, consistent with shorter average Na-O distances. The results are consistently explained in terms of a breakage of Si-O-B4 linkages resulting in the formation of nonbridging oxygen species. Pressure effects on the spectra are reversed by annealing the glasses at their respective glass transition temperatures.
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Affiliation(s)
- Millena Logrado
- Instituto de Física de São Carlos, Universidade de São Paulo, Avenida Trabalhador São-Carlense 400, São Carlos, São Paulo 13566-590, Brazil
| | - Tomiki Inoue
- Nippon Electric Glass Co., Ltd., 7-1, Seiran 2-chome, Otsu, Shiga 520-8639, Japan
| | - Shingo Nakane
- Nippon Electric Glass Co., Ltd., 7-1, Seiran 2-chome, Otsu, Shiga 520-8639, Japan
| | - Yoshinari Kato
- Nippon Electric Glass Co., Ltd., 7-1, Seiran 2-chome, Otsu, Shiga 520-8639, Japan
| | - Hiroki Yamazaki
- Nippon Electric Glass Co., Ltd., 7-1, Seiran 2-chome, Otsu, Shiga 520-8639, Japan
| | - Akihiro Yamada
- Department of Material Science, University of Shiga Prefecture, 2500 Hassaka, Hikone, Shiga 522-8533, Japan
| | - Hellmut Eckert
- Instituto de Física de São Carlos, Universidade de São Paulo, Avenida Trabalhador São-Carlense 400, São Carlos, São Paulo 13566-590, Brazil
- Institut für Physikalische Chemie, WWU Münster, Corrensstraße 28-30, 48149 Münster, Germany
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3
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Sørensen SS, Ren X, Du T, Traverson A, Xi S, Jensen LR, Bauchy M, Horike S, Wang J, Smedskjaer MM. Water as a Modifier in a Hybrid Coordination Network Glass. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205988. [PMID: 36703506 DOI: 10.1002/smll.202205988] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 12/21/2022] [Indexed: 06/18/2023]
Abstract
Chemical diversification of hybrid organic-inorganic glasses remains limited, especially compared to traditional oxide glasses, for which property tuning is possible through addition of weakly bonded modifier cations. In this work, it is shown that water can depolymerize polyhedra with labile metal-ligand bonds in a cobalt-based coordination network, yielding a series of nonstoichiometric glasses. Calorimetric, spectroscopic, and simulation studies demonstrate that the added water molecules promote the breakage of network bonds and coordination number changes, leading to lower melting and glass transition temperatures. These structural changes modify the physical and chemical properties of the melt-quenched glass, with strong parallels to the "modifier" concept in oxides. It is shown that this approach also applies to other transition metal-based coordination networks, and it will thus enable diversification of hybrid glass chemistry, including nonstoichiometric glass compositions, tuning of properties, and a significant rise in the number of glass-forming hybrid systems by allowing them to melt before thermal decomposition.
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Affiliation(s)
- Søren S Sørensen
- Department of Chemistry and Bioscience, Aalborg University, Aalborg, 9220, Denmark
| | - Xiangting Ren
- Department of Chemistry and Bioscience, Aalborg University, Aalborg, 9220, Denmark
| | - Tao Du
- Department of Chemistry and Bioscience, Aalborg University, Aalborg, 9220, Denmark
| | - Ayoub Traverson
- Department of Chemistry and Bioscience, Aalborg University, Aalborg, 9220, Denmark
- Chemistry DER, University Paris-Saclay, ENS Paris-Saclay, Gif-Sur-Yvette, 91190, France
| | - Shibo Xi
- Institute of Chemical & Engineering Sciences, Technology and Research (A*STAR), Singapore, 627833, Singapore
| | - Lars R Jensen
- Department of Materials and Production, Aalborg University, Aalborg, 9220, Denmark
| | - Mathieu Bauchy
- Department of Civil and Environmental Engineering, University of California, Los Angeles, CA, 90095, USA
| | - Satoshi Horike
- Institute for Integrated Cell-Material Sciences, Institute for Advanced Study, Kyoto University, Kyoto, 606-8501, Japan
| | - John Wang
- Department of Materials Science and Engineering, National University of Singapore, Singapore, 117574, Singapore
| | - Morten M Smedskjaer
- Department of Chemistry and Bioscience, Aalborg University, Aalborg, 9220, Denmark
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4
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Qiao A, To T, Stepniewska M, Tao H, Calvez L, Zhang X, Smedskjaer MM, Yue Y. Deformation mechanism of a metal-organic framework glass under indentation. Phys Chem Chem Phys 2021; 23:16923-16931. [PMID: 34337626 DOI: 10.1039/d1cp02213j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Revealing the deformation mechanism of brittle materials under sharp contact loading (indentation) is important for their applications since this knowledge is crucial for identifying the origin of flaw and scratch formation on their surfaces. As a newly emerged glass family, metal-organic framework (MOF) glasses have not been studied concerning the mechanism of their indentation-induced deformation. Here, we explore this mechanism for ZIF-62 glass (a typical MOF glass system). The fractions of densification and shear flow during indentation were determined by atomic force microscopy, while the elastic deformation was measured via nanoindentation. The results show that ZIF-62 glass deforms primarily through densification and elastic deformation under the sharp contact loading. Significant pile-ups around indents were not observed, indicating that no or limited shear flow occurs in the glass during indentation. This behavior could be attributed to three structural factors, namely, high free volume, easily densified glass structure, and limited translational mobility of structural units.
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Affiliation(s)
- Ang Qiao
- Department of Chemistry and Bioscience, Aalborg University, DK-9220 Aalborg, Denmark.
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5
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Stone-Weiss N, Bradtmüller H, Eckert H, Goel A. Composition-Structure-Solubility Relationships in Borosilicate Glasses: Toward a Rational Design of Bioactive Glasses with Controlled Dissolution Behavior. ACS APPLIED MATERIALS & INTERFACES 2021; 13:31495-31513. [PMID: 34219455 DOI: 10.1021/acsami.1c07519] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Owing to their fast but tunable degradation kinetics (in comparison to silicates) and excellent bioactivity, the past decade has witnessed an upsurge in the research interest of borate/borosilicate-based bioactive glasses for their potential use in a wide range of soft tissue regeneration applications. Nevertheless, most of these glasses have been developed using trial-and-error approaches wherein SiO2 has been gradually replaced by B2O3. One major reason for using this empirical approach is the complexity of short-to-intermediate range structures of these glasses which greatly complicate the development of a thorough understanding of composition-structure-solubility relationships in these systems. Transitioning beyond the current style of composition design to a style that facilitates the development of bioactive glasses with controlled ion release tailored for specific patients/diseases requires a deeper understanding of the compositional/structural dependence of glass degradation behavior in vitro and in vivo. Accordingly, the present study aims to decipher the structural drivers controlling the dissolution kinetics and ion-release behavior of potentially bioactive glasses designed in the Na2O-B2O3-P2O5-SiO2 system across a broad compositional space in simulated body environments (pH = 7.4). By employing state-of-the-art spectroscopy-based characterization techniques, it has been shown that the degradation kinetics of borosilicate glasses depend on their R (Na2O/B2O3) and K (SiO2/B2O3) ratios, while the release of particular network-forming moieties from the glass into solution is strongly influenced by their role in-and effect on-the short-to-intermediate-range molecular structure. The current study aims to promote a rational design of borosilicate-based bioactive glasses, where a delicate balance between maximizing soft tissue regeneration and minimizing calcification and cytotoxicity can be achieved by tuning the release of ionic dissolution products (of controlled identity and abundance) from bioactive glasses into physiological media.
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Affiliation(s)
- Nicholas Stone-Weiss
- Department of Materials Science and Engineering, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States
| | - Henrik Bradtmüller
- Institut für Physikalische Chemie, WWU Münster, Corrensstrasse 30, Münster D48149, Germany
- Department of Materials Engineering, Federal University of São Carlos, CP 676, São Carlos, São Paulo 13565-905, Brazil
| | - Hellmut Eckert
- Institut für Physikalische Chemie, WWU Münster, Corrensstrasse 30, Münster D48149, Germany
- São Carlos Institute of Physics, University of São Paulo, Avenida Trabalhador Saocarlense 400, São Carlos, São Paulo 13566-590, Brazil
| | - Ashutosh Goel
- Department of Materials Science and Engineering, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States
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6
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Lee SK, Mun KY, Kim YH, Lhee J, Okuchi T, Lin JF. Degree of Permanent Densification in Oxide Glasses upon Extreme Compression up to 24 GPa at Room Temperature. J Phys Chem Lett 2020; 11:2917-2924. [PMID: 32223166 DOI: 10.1021/acs.jpclett.0c00709] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
During the decompression of plastically deformed glasses at room temperature, some aspects of irreversible densification may be preserved. This densification has been primarily attributed to topological changes in glass networks. The changes in short-range structures like cation coordination numbers are often assumed to be relaxed upon decompression. Here the NMR results for aluminosilicate glass upon permanent densification up to 24 GPa reveal noticeable changes in the Al coordination number under pressure conditions as low as ∼6 GPa. A drastic increase in the highly coordinated Al fraction is evident over only a relatively narrow pressure range of up to ∼12 GPa, above which the coordination change becomes negligible up to 24 GPa. In contrast, Si coordination environments do not change, highlighting preferential coordination transformation during deformation. The observed trend in the coordination environment shows a remarkable similarity to the pressure-induced changes in the residual glass density, yielding a predictive relationship between the irreversible densification and the detailed structures under extreme compression. The results open a way to access the nature of plastic deformation in complex glasses at room temperature.
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Affiliation(s)
- Sung Keun Lee
- Laboratory of Physics and Chemistry of Earth Materials, School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
- Institute of Applied Physics, Seoul National University, Seoul 08826, Korea
| | - Kwan Young Mun
- Laboratory of Physics and Chemistry of Earth Materials, School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
| | - Yong-Hyun Kim
- Laboratory of Physics and Chemistry of Earth Materials, School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
| | - Juho Lhee
- Laboratory of Physics and Chemistry of Earth Materials, School of Earth and Environmental Sciences, Seoul National University, Seoul 08826, Korea
| | - Takuo Okuchi
- Institute for Planetary Materials, Okayama University, Misasa 682-0193, Japan
| | - Jung-Fu Lin
- Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, Texas 78712, United States
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7
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Ta HTT, Tieu AK, Zhu H, Yu H, Tran NV, Ta TD. Mechanisms of Pressure-Induced Structural Transformation in Confined Sodium Borate Glasses. J Phys Chem B 2020; 124:277-287. [PMID: 31804086 DOI: 10.1021/acs.jpcb.9b09676] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this paper, density functional theory simulations were conducted to investigate the structural adaptation of sodium borates xNa2O·(100-x)B2O3 (x = 25, 33, 50, and 60 mol %) during the compression/decompression between 0 and 10 GPa. The sodium borates are confined between two Fe2O3 substrates and undergo the compression by reducing the gap between the two surfaces. The results reveal the borate response to the load through a two-stage transformation: rearrangement at low pressure and polymerization at high pressure. The pressure required to initiate the polymerization depends directly on the portion of fourfold-coordinated ([4]B) boron in the sodium borates. We found that the polymerization occurs through three different mechanisms to form BO4 tetrahedra with surface oxygen and nonbridging and bridging oxygen. The electronic structure was analyzed to understand the nature of these mechanisms. The conversions from BO3 to BO4 are mostly irreversible as a large number of newly formed BO4 remain unchanged under the decompression. In addition, the formation of a sodium-rich layer can be observed when the systems were compressed to high pressure. Our simulation provides insight into sodium borate glass responses to extreme condition and the underlying electronic mechanisms that can account for these behaviors.
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8
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Stone-Weiss N, Youngman RE, Thorpe R, Smith NJ, Pierce EM, Goel A. An insight into the corrosion of alkali aluminoborosilicate glasses in acidic environments. Phys Chem Chem Phys 2020; 22:1881-1896. [DOI: 10.1039/c9cp06064b] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Sodium aluminoborosilicate glasses with wide-ranging compositions and structures corrode according to remarkably similar mechanisms in acidic environments.
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Affiliation(s)
- Nicholas Stone-Weiss
- Department of Materials Science and Engineering, Rutgers
- The State University of New Jersey
- Piscataway
- USA
| | | | - Ryan Thorpe
- Department of Physics and Astronomy and Laboratory for Surface Modification, Rutgers
- The State University of New Jersey
- Piscataway
- USA
| | | | - Eric M. Pierce
- Environmental Sciences Division
- Oak Ridge National Laboratory
- Oak Ridge
- USA
| | - Ashutosh Goel
- Department of Materials Science and Engineering, Rutgers
- The State University of New Jersey
- Piscataway
- USA
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9
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Wang PH, Chang YR, Lee DJ. Shape stable poly(vinyl alcohol) and alginate cross-linked hydrogel with borate anions under dry–rewet cycles. J Taiwan Inst Chem Eng 2019. [DOI: 10.1016/j.jtice.2019.07.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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10
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Østergaard MB, Hansen SR, Januchta K, To T, Rzoska SJ, Bockowski M, Bauchy M, Smedskjaer MM. Revisiting the Dependence of Poisson's Ratio on Liquid Fragility and Atomic Packing Density in Oxide Glasses. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E2439. [PMID: 31370218 PMCID: PMC6696245 DOI: 10.3390/ma12152439] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 07/29/2019] [Accepted: 07/29/2019] [Indexed: 01/04/2023]
Abstract
Poisson's ratio (ν) defines a material's propensity to laterally expand upon compression, or laterally shrink upon tension for non-auxetic materials. This fundamental metric has traditionally, in some fields, been assumed to be a material-independent constant, but it is clear that it varies with composition across glasses, ceramics, metals, and polymers. The intrinsically elastic metric has also been suggested to control a range of properties, even beyond the linear-elastic regime. Notably, metallic glasses show a striking brittle-to-ductile (BTD) transition for ν-values above ~0.32. The BTD transition has also been suggested to be valid for oxide glasses, but, unfortunately, direct prediction of Poisson's ratio from chemical composition remains challenging. With the long-term goal to discover such high-ν oxide glasses, we here revisit whether previously proposed relationships between Poisson's ratio and liquid fragility (m) and atomic packing density (Cg) hold for oxide glasses, since this would enable m and Cg to be used as surrogates for ν. To do so, we have performed an extensive literature review and synthesized new oxide glasses within the zinc borate and aluminoborate families that are found to exhibit high Poisson's ratio values up to ~0.34. We are not able to unequivocally confirm the universality of the Novikov-Sokolov correlation between ν and m and that between ν and Cg for oxide glass-formers, nor for the organic, ionic, chalcogenide, halogenide, or metallic glasses. Despite significant scatter, we do, however, observe an overall increase in ν with increasing m and Cg, but it is clear that additional structural details besides m or Cg are needed to predict and understand the composition dependence of Poisson's ratio. Finally, we also infer from literature data that, in addition to high ν, high Young's modulus is also needed to obtain glasses with high fracture toughness.
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Affiliation(s)
- Martin B Østergaard
- Department of Chemistry and Bioscience, Aalborg University, 9220 Aalborg East, Denmark
| | - Søren R Hansen
- Department of Chemistry and Bioscience, Aalborg University, 9220 Aalborg East, Denmark
| | - Kacper Januchta
- Department of Chemistry and Bioscience, Aalborg University, 9220 Aalborg East, Denmark
| | - Theany To
- Department of Chemistry and Bioscience, Aalborg University, 9220 Aalborg East, Denmark
| | - Sylwester J Rzoska
- Institute of High-Pressure Physics, Polish Academy of Sciences, 01-142 Warsaw, Poland
| | - Michal Bockowski
- Institute of High-Pressure Physics, Polish Academy of Sciences, 01-142 Warsaw, Poland
| | - Mathieu Bauchy
- Department of Civil and Environmental Engineering, University of California, Los Angeles, CA 90095, USA
| | - Morten M Smedskjaer
- Department of Chemistry and Bioscience, Aalborg University, 9220 Aalborg East, Denmark.
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11
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Zheng Q, Zhang Y, Montazerian M, Gulbiten O, Mauro JC, Zanotto ED, Yue Y. Understanding Glass through Differential Scanning Calorimetry. Chem Rev 2019; 119:7848-7939. [DOI: 10.1021/acs.chemrev.8b00510] [Citation(s) in RCA: 154] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Qiuju Zheng
- School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Yanfei Zhang
- School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
| | - Maziar Montazerian
- Vitreous Materials Laboratory (LaMaV), Department of Materials Engineering (DEMa), Federal University of São Carlos (UFSCar), 13.565-905 São Carlos, SP, Brazil
| | - Ozgur Gulbiten
- Science and Technology Division, Corning Incorporated, Corning, New York 14831, United States
| | - John C. Mauro
- School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
- Department of Materials Science and Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Edgar D. Zanotto
- Vitreous Materials Laboratory (LaMaV), Department of Materials Engineering (DEMa), Federal University of São Carlos (UFSCar), 13.565-905 São Carlos, SP, Brazil
| | - Yuanzheng Yue
- School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
- State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
- Department of Chemistry and Bioscience, Aalborg University, DK-9220 Aalborg, Denmark
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12
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Frederiksen KF, Januchta K, Mascaraque N, Youngman RE, Bauchy M, Rzoska SJ, Bockowski M, Smedskjaer MM. Structural Compromise between High Hardness and Crack Resistance in Aluminoborate Glasses. J Phys Chem B 2018; 122:6287-6295. [PMID: 29767513 DOI: 10.1021/acs.jpcb.8b02905] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Alkali aluminoborate glasses have recently been shown to exhibit a high threshold for indentation cracking compared to other bulk oxide glasses. However, to enable the use of these materials in engineering applications, there is a need to improve their hardness by tuning the chemical composition. In this study, we substitute alkaline earth for alkali network-modifying species at fixed aluminoborate base glass composition and correlate it with changes in the structure, mechanical properties, and densification behavior. We find that the increase in field strength (i.e., the charge-to-size ratio) achieved by substituting alkaline earth oxide from BaO to MgO manifests itself in a monotonic increase in several properties, such as atomic packing density, glass-transition temperature, densification ability, indentation hardness, and crack resistance. Although the use of alkaline earth oxides as modifier enables higher hardness values (increasing from 2.0 GPa for Cs to 5.8 GPa for Mg), their crack resistance is generally lower than that of the corresponding alkali aluminoborate glasses. We discuss the origin of this compromise between hardness and crack resistance in terms of the ability of the glass networks to undergo structural transformations and self-adapt under stress. We show that the extent of volume densification scales linearly with the number of pressure-induced coordination number changes of B and Al.
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Affiliation(s)
| | | | | | - Randall E Youngman
- Science and Technology Division , Corning Incorporated , Corning , New York 14831 , United States
| | - Mathieu Bauchy
- Department of Civil and Environmental Engineering , University of California , Los Angeles , California 90095 , United States
| | - Sylwester J Rzoska
- Institute of High-Pressure Physics , Polish Academy of Sciences , Warsaw 01-142 , Poland
| | - Michal Bockowski
- Institute of High-Pressure Physics , Polish Academy of Sciences , Warsaw 01-142 , Poland
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13
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Ren M, Lu X, Deng L, Kuo PH, Du J. B2O3/SiO2 substitution effect on structure and properties of Na2O–CaO–SrO–P2O5–SiO2 bioactive glasses from molecular dynamics simulations. Phys Chem Chem Phys 2018; 20:14090-14104. [DOI: 10.1039/c7cp08358k] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The effect of B2O3/SiO2 substitution in SrO-containing 55S4.3 bioactive glasses on glass structure and properties, such as ionic diffusion and glass transition temperature, was investigated by combining experiments and molecular dynamics simulations with newly developed potentials.
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Affiliation(s)
- Mengguo Ren
- Department of Materials Science and Engineering
- University of North Texas
- Denton
- USA
| | - Xiaonan Lu
- Department of Materials Science and Engineering
- University of North Texas
- Denton
- USA
| | - Lu Deng
- Department of Materials Science and Engineering
- University of North Texas
- Denton
- USA
| | - Po-Hsuen Kuo
- Department of Materials Science and Engineering
- University of North Texas
- Denton
- USA
| | - Jincheng Du
- Department of Materials Science and Engineering
- University of North Texas
- Denton
- USA
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14
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Svenson MN, Mauro JC, Rzoska SJ, Bockowski M, Smedskjaer MM. Accessing Forbidden Glass Regimes through High-Pressure Sub-T g Annealing. Sci Rep 2017; 7:46631. [PMID: 28418017 PMCID: PMC5394531 DOI: 10.1038/srep46631] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 03/21/2017] [Indexed: 01/07/2023] Open
Abstract
Density and hardness of glasses are known to increase upon both compression at the glass transition temperature (Tg) and ambient pressure sub-Tg annealing. However, a serial combination of the two methods does not result in higher density and hardness, since the effect of compression is countered by subsequent annealing and vice versa. In this study, we circumvent this by introducing a novel treatment protocol that enables the preparation of high-density, high-hardness bulk aluminosilicate glasses. This is done by first compressing a sodium-magnesium aluminosilicate glass at 1 GPa at Tg, followed by sub-Tg annealing in-situ at 1 GPa. Through density, hardness, and heat capacity measurements, we demonstrate that the effects of hot compression and sub-Tg annealing can be combined to access a "forbidden glass" regime that is inaccessible through thermal history or pressure history variation alone. We also study the relaxation behavior of the densified samples during subsequent ambient pressure sub-Tg annealing. Density and hardness are found to relax and approach their ambient condition values upon annealing, but the difference in relaxation time of density and hardness, which is usually observed for hot compressed glasses, vanishes for samples previously subjected to high-pressure sub-Tg annealing. This confirms the unique configurational state of these glasses.
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Affiliation(s)
- Mouritz N. Svenson
- Department of Chemistry and Bioscience, Aalborg University, Aalborg 9220, Denmark
| | - John C. Mauro
- Science and Technology Division, Corning Incorporated, Corning, NY 14831, USA
| | - Sylwester J. Rzoska
- Institute of High Pressure Physics, Polish Academy of Sciences, Warsaw 00-142, Poland
| | - Michal Bockowski
- Institute of High Pressure Physics, Polish Academy of Sciences, Warsaw 00-142, Poland
| | - Morten M. Smedskjaer
- Department of Chemistry and Bioscience, Aalborg University, Aalborg 9220, Denmark
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15
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Danilov IV, Gromnitskaya EL, Brazhkin VV. Vivid Manifestation of Nonergodicity in Glassy Propylene Carbonate at High Pressures. J Phys Chem B 2016; 120:7593-7. [PMID: 27399845 DOI: 10.1021/acs.jpcb.6b05188] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
As glasses are nonergodic systems, their properties should depend not only on external macroparameters, such as P and T, but also on the time of observation and thermobaric history. In this work, comparative ultrasonic studies of two groups of molecular propylene carbonate glasses obtained by quenching from a liquid at pressures of 0.1 and 1 GPa have been performed. Although the difference in the densities of the different groups of glasses is small (3-5%), they have significantly different elastic properties: the difference in the respective bulk moduli is 10-20%, and the difference in the respective shear moduli is 35-40% (!). This is due to the "closure of nanopores" in the glass obtained at 1 GPa. The pressure and temperature derivatives of the elastic moduli for these groups of glasses are also noticeably different. The glass-transition temperatures of glasses from different groups differ by 3-4 K. The character of absorption of ultrasound waves near the glass-transition temperature also differs for different groups of glasses. The differences in the behaviors of these groups of glasses disappear gradually above the glass-transition temperature, in the region of a liquid phase. Glasses with a wide diversity of physical properties can be obtained using various paths on the (T,P) diagram.
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Affiliation(s)
- Igor V Danilov
- Institute for High Pressure Physics, Russian Academy of Sciences , Troitsk, Moscow 142190, Russia.,Moscow Institute of Physics and Technology , Dolgoprudny, Moscow Region 141700, Russia
| | - Elena L Gromnitskaya
- Institute for High Pressure Physics, Russian Academy of Sciences , Troitsk, Moscow 142190, Russia
| | - Vadim V Brazhkin
- Institute for High Pressure Physics, Russian Academy of Sciences , Troitsk, Moscow 142190, Russia
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16
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Kilymis DA, Delaye JM, Ispas S. Nanoindentation of the pristine and irradiated forms of a sodium borosilicate glass: Insights from molecular dynamics simulations. J Chem Phys 2016; 145:044505. [PMID: 27475379 DOI: 10.1063/1.4959118] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Affiliation(s)
- D. A. Kilymis
- Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-University Montpellier, Place Eugène Bataillon, CC069, F-34095 Montpellier Cedex 5, France
| | - J.-M. Delaye
- CEA, DEN, DTCD, SECM, F-30207 Bagnols-sur-Cèze, France
| | - S. Ispas
- Laboratoire Charles Coulomb (L2C), UMR 5221 CNRS-University Montpellier, Place Eugène Bataillon, CC069, F-34095 Montpellier Cedex 5, France
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17
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Bista S, Morin EI, Stebbins JF. Response of complex networks to compression: Ca, La, and Y aluminoborosilicate glasses formed from liquids at 1 to 3 GPa pressures. J Chem Phys 2016; 144:044502. [PMID: 26827221 DOI: 10.1063/1.4940691] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Aluminoborosilicate glasses containing relatively high field strength modifiers (Ca, La, and Y) have been compressed at pressures up to 3 GPa and near the glass transition temperature (Tg) and quenched to room temperature at high pressure followed by decompression. Structural changes were quantified with high-resolution (27)Al and (11)B MAS nuclear magnetic resonance at 14.1-18.8 T. The changes with pressure in Al and B coordinations in the recovered samples are quite large with more than 50% decreases in tetrahedral aluminum ((IV)Al) and 200%-300% increases in tetrahedral boron ((IV)B). Glasses with higher field strength modifiers (La and Y) contain more high coordinated aluminum ((V,V I)Al) at all pressures studied. More high coordinated boron also correlates with higher field strength modifier if all three compositions are compared on an isothermal basis. Although lowering fictive temperature and increasing pressure both increase Al and B coordinations, our study shows that the actual mechanisms for structural changes are most probably different for temperature and pressure effects. Using a rough thermodynamic model to extrapolate to higher pressures, it appears that a simple non-bridging oxygen (NBO) consumption mechanism is not sufficient to convert all the aluminum to octahedral and boron to tetrahedral coordination, suggesting other mechanisms for structural changes could occur at high pressure as NBO becomes depleted.
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Affiliation(s)
- Saurav Bista
- Department of Geological Sciences, Stanford University, Stanford, California 94305, USA
| | - Elizabeth I Morin
- Department of Chemistry, Stanford University, Stanford, California 94305, USA
| | - Jonathan F Stebbins
- Department of Geological Sciences, Stanford University, Stanford, California 94305, USA
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18
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Svenson MN, Guerette M, Huang L, Lönnroth N, Mauro JC, Rzoska SJ, Bockowski M, Smedskjaer MM. Universal behavior of changes in elastic moduli of hot compressed oxide glasses. Chem Phys Lett 2016. [DOI: 10.1016/j.cplett.2016.03.025] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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19
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Østergaard MB, Youngman RE, Svenson MN, Rzoska SJ, Bockowski M, Jensen LR, Smedskjaer MM. Temperature-dependent densification of sodium borosilicate glass. RSC Adv 2015. [DOI: 10.1039/c5ra16219j] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
We provide a comprehensive understanding of the temperature-dependent changes in the network topology, structure, and properties of densified borosilicate glass.
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Affiliation(s)
| | | | | | | | - Michal Bockowski
- Institute of High-Pressure Physics
- Polish Academy of Sciences
- Warsaw
- Poland
| | - Lars R. Jensen
- Department of Mechanical and Manufacturing Engineering
- Aalborg University
- Aalborg
- Denmark
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