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Duan YJ, Nabahat M, Tong Y, Ortiz-Membrado L, Jiménez-Piqué E, Zhao K, Wang YJ, Yang Y, Wada T, Kato H, Pelletier JM, Qiao JC, Pineda E. Connection between Mechanical Relaxation and Equilibration Kinetics in a High-Entropy Metallic Glass. PHYSICAL REVIEW LETTERS 2024; 132:056101. [PMID: 38364152 DOI: 10.1103/physrevlett.132.056101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 11/08/2023] [Accepted: 11/17/2023] [Indexed: 02/18/2024]
Abstract
The slow transition from an out-of-equilibrium glass towards a supercooled liquid is a complex relaxation phenomenon. In this Letter, we study the correlation between mechanical relaxation and equilibration kinetics in a Pd_{20}Pt_{20}Cu_{20}Ni_{20}P_{20} high-entropy metallic glass. The evolution of stress relaxation with aging time was obtained with an unprecedented detail, allowing us to pinpoint new interesting features. The long structural relaxation towards equilibrium contains a wide distribution of activation energies, instead of being just associated to the β relaxation as commonly accepted. The stress relaxation time can be correlated with the equilibration rate and we observe a decrease of microstructural heterogeneity which contrasts with an increase of dynamic heterogeneity. These results significantly enhance our insight of the interplay between relaxation dynamics and thermodynamics in metallic glasses.
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Affiliation(s)
- Y J Duan
- School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi'an 710072, China
- Department of Physics, Institute of Energy Technologies, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
| | - M Nabahat
- Department of Physics, Institute of Energy Technologies, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
| | - Yu Tong
- CAS Key Laboratory of Magnetic Materials and Devices, and Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
| | - L Ortiz-Membrado
- Department of Materials Science, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
| | - E Jiménez-Piqué
- Department of Materials Science, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
| | - Kun Zhao
- State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yun-Jiang Wang
- State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Y Yang
- Department of Mechanical Engineering, College of Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Kowloon, Hong Kong SAR, China
- Department of Materials Science and Engineering, College of Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Kowloon, Hong Kong SAR, China
| | - T Wada
- Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
| | - H Kato
- Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
| | - J M Pelletier
- Université de Lyon, MATEIS, UMR CNRS5510, Bâtiment Blaise Pascal, INSA-Lyon, F-69621 Villeurbanne Cedex, France
| | - J C Qiao
- School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi'an 710072, China
| | - E Pineda
- Department of Physics, Institute of Energy Technologies, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
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2
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Jing P, Wang Y, Zhou Y, Shi W. Atomistic Insight into Grain Boundary Deformation Induced Strengthening in Layer-Grained Nanocrystalline Al. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023. [PMID: 37390453 DOI: 10.1021/acs.langmuir.3c01342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/02/2023]
Abstract
The brittle nature of nanocrystalline metals presents a significant challenge to their widespread application. Extensive efforts have been undertaken to develop materials with high strength and good ductility. In this study, we have discovered a new type of nanocrystalline metal, namely, layer-grained Al, which exhibits both high strength and good ductility owing to its enhanced strain hardening ability as revealed by molecular dynamics simulation. Notably, the layer-grained model displays strain hardening instead of the equiaxed model. The observed strain hardening is attributed to grain boundary deformation, which has previously been associated with strain softening. The simulation findings offer novel insights into the synthesis of nanocrystalline materials possessing high strength and good ductility, thus expanding the potential applications of these materials.
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Affiliation(s)
- Peng Jing
- School of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
- Jiangsu Provincial Key Laboratory of Advanced Manufacturing for Marine Mechanical Equipment, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Yu Wang
- School of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
- Jiangsu Provincial Key Laboratory of Advanced Manufacturing for Marine Mechanical Equipment, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Yuankai Zhou
- School of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
- Jiangsu Provincial Key Laboratory of Advanced Manufacturing for Marine Mechanical Equipment, Jiangsu University of Science and Technology, Zhenjiang 212003, People's Republic of China
| | - Wenchao Shi
- Institute of Industry and Equipment Technology, Hefei University of Technology, Hefei 230009, Anhui, People's Republic of China
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3
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Zhang X, Lou H, Ruta B, Chushkin Y, Zontone F, Li S, Xu D, Liang T, Zeng Z, Mao HK, Zeng Q. Pressure-induced nonmonotonic cross-over of steady relaxation dynamics in a metallic glass. Proc Natl Acad Sci U S A 2023; 120:e2302281120. [PMID: 37276419 PMCID: PMC10268294 DOI: 10.1073/pnas.2302281120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 05/14/2023] [Indexed: 06/07/2023] Open
Abstract
Relaxation dynamics, as a key to understand glass formation and glassy properties, remains an elusive and challenging issue in condensed matter physics. In this work, in situ high-pressure synchrotron high-energy X-ray photon correlation spectroscopy has been developed to probe the atomic-scale relaxation dynamics of a cerium-based metallic glass during compression. Although the sample density continuously increases, the collective atomic motion initially slows down as generally expected and then counterintuitively accelerates with further compression (density increase), showing an unusual nonmonotonic pressure-induced steady relaxation dynamics cross-over at ~3 GPa. Furthermore, by combining in situ high-pressure synchrotron X-ray diffraction, the relaxation dynamics anomaly is evidenced to closely correlate with the dramatic changes in local atomic structures during compression, rather than monotonically scaling with either sample density or overall stress level. These findings could provide insight into relaxation dynamics and their relationship with local atomic structures of glasses.
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Affiliation(s)
- Xin Zhang
- Center for High Pressure Science and Technology Advanced Research, Shanghai201203, China
| | - Hongbo Lou
- Center for High Pressure Science and Technology Advanced Research, Shanghai201203, China
| | - Beatrice Ruta
- Université Lyon, Université Claude Bernard Lyon 1, Centre national de la recherche scientifique, Institut Lumière Matière, Campus LyonTech–La Doua, LyonF-69622, France
| | - Yuriy Chushkin
- European Synchrotron Radiation Facility-The European Synchrotron, GrenobleCS 40220, 38043, France
| | - Federico Zontone
- European Synchrotron Radiation Facility-The European Synchrotron, GrenobleCS 40220, 38043, France
| | - Shubin Li
- Université Lyon, Université Claude Bernard Lyon 1, Centre national de la recherche scientifique, Institut Lumière Matière, Campus LyonTech–La Doua, LyonF-69622, France
| | - Dazhe Xu
- Center for High Pressure Science and Technology Advanced Research, Shanghai201203, China
| | - Tao Liang
- Center for High Pressure Science and Technology Advanced Research, Shanghai201203, China
| | - Zhidan Zeng
- Center for High Pressure Science and Technology Advanced Research, Shanghai201203, China
| | - Ho-kwang Mao
- Center for High Pressure Science and Technology Advanced Research, Shanghai201203, China
- Shanghai Key Laboratory of Material Frontiers Research in Extreme Environments, Shanghai Advanced Research in Physical Sciences, Shanghai201203, China
| | - Qiaoshi Zeng
- Center for High Pressure Science and Technology Advanced Research, Shanghai201203, China
- Shanghai Key Laboratory of Material Frontiers Research in Extreme Environments, Shanghai Advanced Research in Physical Sciences, Shanghai201203, China
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4
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Guo W, Niiyama T, Yamada R, Wakeda M, Saida J. Synthesis and mechanical properties of highly structure-controlled Zr-based metallic glasses by thermal rejuvenation technique. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2023; 35:154004. [PMID: 36731175 DOI: 10.1088/1361-648x/acb8a0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 02/01/2023] [Indexed: 06/18/2023]
Abstract
A novel thermal rejuvenation treatment facility for Zr-based bulk metallic glass (BMG) was developed, consisting of a rapid heating and indirect liquid nitrogen quenching process. The re-introduction of free volume into thermally rejuvenated BMG results in more disordered state. The rejuvenation improves ductility, implying that the re-introduced free volume aids in the recovery of the shear transformation zone (STZ) site and volume. Actually, it is confirmed that relaxation significantly reduces STZ volume; however, it is recovered by thermal rejuvenation. Molecular dynamics simulations also indicate that rejuvenation enhances homogeneous deformation. The current findings indicate that the thermal rejuvenation method is extremely effective for recovering or improving the ductility of metallic glass that has been lost due to relaxation.
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Affiliation(s)
- Wei Guo
- Frontier Research Institute for Interdisciplinary Sciences (FRIS), Tohoku University, 6-3 Aoba-Aramaki, Sendai 980-8578, Japan
- State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
- Research Institute of Huazhong University of Science and Technology in Shenzhen, Shenzhen 518057, People's Republic of China
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
| | - Tomoaki Niiyama
- College of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Rui Yamada
- Frontier Research Institute for Interdisciplinary Sciences (FRIS), Tohoku University, 6-3 Aoba-Aramaki, Sendai 980-8578, Japan
- Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Sendai 980-8577, Japan
| | - Masato Wakeda
- Research Center for Structural Materials, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba 305-0047, Japan
| | - Junji Saida
- Frontier Research Institute for Interdisciplinary Sciences (FRIS), Tohoku University, 6-3 Aoba-Aramaki, Sendai 980-8578, Japan
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5
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Gao Y, Yang C, Ding G, Dai LH, Jiang MQ. Structural rejuvenation of a well-aged metallic glass. FUNDAMENTAL RESEARCH 2022. [DOI: 10.1016/j.fmre.2022.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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6
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Duan YJ, Zhang LT, Qiao JC, Wang YJ, Yang Y, Wada T, Kato H, Pelletier JM, Pineda E, Crespo D. Intrinsic Correlation between the Fraction of Liquidlike Zones and the β Relaxation in High-Entropy Metallic Glasses. PHYSICAL REVIEW LETTERS 2022; 129:175501. [PMID: 36332263 DOI: 10.1103/physrevlett.129.175501] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 06/21/2022] [Accepted: 09/16/2022] [Indexed: 06/16/2023]
Abstract
Lacking the structural information of crystalline solids, the origin of the relaxation dynamics of metallic glasses is unclear. Here, we report the evolution of stress relaxation of high-entropy metallic glasses with distinct β relaxation behavior. The fraction of liquidlike zones, determined at each temperature by the intensity of stress decay, is shown to be directly related to both the aging process and the spectrum of relaxation modes obtained by mechanical spectroscopy. The results shed light on the intrinsic correlation between the static and dynamic mechanical response in high-entropy and conventional metallic glasses, pointing toward a sluggish diffusion high-entropy effect in the liquid dynamics.
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Affiliation(s)
- Y J Duan
- School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi'an 710072, China
- Department of Physics, Institute of Energy Technologies, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
| | - L T Zhang
- School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi'an 710072, China
| | - J C Qiao
- School of Mechanics, Civil Engineering and Architecture, Northwestern Polytechnical University, Xi'an 710072, China
| | - Yun-Jiang Wang
- State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
- School of Engineering Science, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Y Yang
- Department of Mechanical Engineering, College of Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Kowloon, Hong Kong SAR, China
- Department of Materials Science and Engineering, College of Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon Tong, Kowloon, Hong Kong SAR, China
| | - T Wada
- Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
| | - H Kato
- Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan
| | - J M Pelletier
- Université de Lyon, MATEIS, UMR CNRS5510, Bâtiment B. Pascal, INSA-Lyon, F-69621 Villeurbanne Cedex, France
| | - E Pineda
- Department of Physics, Institute of Energy Technologies, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
| | - D Crespo
- Department of Physics, Institute of Energy Technologies, Universitat Politècnica de Catalunya, Barcelona 08019, Spain
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7
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Phan AD. Screening and collective effects in randomly pinned fluids: a new theoretical framework. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2022; 34:435101. [PMID: 35985315 DOI: 10.1088/1361-648x/ac8b51] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 08/19/2022] [Indexed: 06/15/2023]
Abstract
We propose a theoretical framework for the dynamics of bulk isotropic hard-sphere systems in the presence of randomly pinned particles and apply this theory to supercooled water to validate it. Structural relaxation is mainly governed by local and non-local activated process. As the pinned fraction grows, a local caging constraint becomes stronger and the long range collective aspect of relaxation is screened by immobile obstacles. Different responses of the local and cooperative motions results in subtle predictions for how the alpha relaxation time varies with pinning and density. Our theoretical analysis for the relaxation time of water with pinned molecules quantitatively well describe previous simulations. In addition, the thermal dependence of relaxation for unpinned bulk water is also consistent with prior computational and experimental data.
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Affiliation(s)
- Anh D Phan
- Faculty of Materials Science and Engineering, Phenikaa Institute for Advanced Study, Phenikaa University, Hanoi 12116, Vietnam
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8
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Phan AD. Confinement Effects on the Spatially Inhomogeneous Dynamics in Metallic Glass Films. J Phys Chem B 2022; 126:1609-1614. [PMID: 35166111 DOI: 10.1021/acs.jpcb.1c08862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This work develops the elastically collective nonlinear Langevin equation theory to investigate, for the first time, the glassy dynamics in capped metallic glass thin films. Finite-size effects on the spatial gradient of structural relaxation time and glass transition temperature (Tg) are calculated at different temperatures and vitrification criteria. Molecular dynamics is significantly slowed down near rough solid surfaces, and the dynamics at location far from the interfaces is sped up. In thick films, the mobility gradient normalized by the bulk value obeys the double-exponential form since interference effects between two surfaces are weak. Reducing the film thickness induces a strong dynamic coupling between two surfaces and flattens the relaxation gradient. The normalized gradient of the glass transition temperature is independent of vitrification time scale criterion and can be fitted by a superposition function as the films are not ultrathin. The local fragility is found to remain unchanged with location. This finding suggests that one can use Angell plots of bulk relaxation time and the Tg spatial gradient to characterize glassy dynamics in metallic glass films. Our computational results agree well with experimental data and simulation.
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Affiliation(s)
- Anh D Phan
- Faculty of Materials Science and Engineering, Computer Science, Artificial Intelligence Laboratory, Phenikaa Institute for Advanced Study, Phenikaa University, Hanoi 12116, Vietnam
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9
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Phan AD, Ngan NK, Le NB, Thanh LTM. Toward a Better Understanding of Activation Volume and Dynamic Decoupling of Glass‐Forming Liquids under Compression. MACROMOL THEOR SIMUL 2021. [DOI: 10.1002/mats.202100035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Anh D. Phan
- Faculty of Materials Science and Engineering Phenikaa University Hanoi 12116 Vietnam
- Phenikaa Institute for Advanced Study Phenikaa University Hanoi 12116 Vietnam
| | - Nguyen K. Ngan
- Faculty of Materials Science and Engineering Phenikaa University Hanoi 12116 Vietnam
| | - Nam B. Le
- School of Engineering Physics Hanoi University of Science and Technology 1 Dai Co Viet Hanoi 10000 Vietnam
| | - Le T. M. Thanh
- Faculty of Basic Science Posts and Telecommunications Institute of Technology 122 Hoang Quoc Viet Hanoi 10000 Vietnam
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