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Sekine N, Nakajima Y, Kamo T, Ito M, Nakao W. Advanced Ceramics with Dual Functions of Healing and Decomposition. MATERIALS (BASEL, SWITZERLAND) 2024; 17:647. [PMID: 38591500 PMCID: PMC10856643 DOI: 10.3390/ma17030647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 01/18/2024] [Accepted: 01/26/2024] [Indexed: 04/10/2024]
Abstract
This study developed advanced ceramic materials with both healing and decomposition functions using a metastable product generated under superheated steam. The developed composite material comprises ZrC particles dispersed in a yttria-stabilized zirconia (YSZ) matrix. After introducing a surface crack of approximately 120 μm on the composite specimen, it showed a complete strength recovery rate after one hour of heat treatment under superheated steam at 400 °C, while it exhibited a decomposition behavior after one hour of heat treatment in air at 400 °C. The XRD analysis of the heat-treated specimens showed that the final product was monoclinic ZrO2 under both steam and air conditions. In other words, full strength recovery in superheated steam was achieved by a chain reaction involving metastable intermediate products derived from H2O, unlike the reaction in air.
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Affiliation(s)
- Nobuhide Sekine
- Graduate School of Engineering, Yokohama National University, Tokiwadai 79-5, Hodogaya-ku, Yokohama 240-8501, Kanagawa, Japan
| | - Yasushi Nakajima
- DAIICHI KIGENSO KAGAKU KOGYO CO., LTD., Kitahama 4-4-9, Chuo-ku, Osaka-shi 541-0041, Osaka, Japan
| | - Takahiro Kamo
- DAIICHI KIGENSO KAGAKU KOGYO CO., LTD., Kitahama 4-4-9, Chuo-ku, Osaka-shi 541-0041, Osaka, Japan
| | - Masahiro Ito
- DAIICHI KIGENSO KAGAKU KOGYO CO., LTD., Kitahama 4-4-9, Chuo-ku, Osaka-shi 541-0041, Osaka, Japan
| | - Wataru Nakao
- Faculty of Engineering, Yokohama National University, Tokiwadai 79-5, Hodogaya-ku, Yokohama 240-8501, Kanagawa, Japan
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Osei-Agyemang E, Paul JF, Lucas R, Foucaud S, Cristol S, Mamede AS, Nuns N, Addad A. Characterizing the ZrC(111)/ c-ZrO 2(111) Hetero-Ceramic Interface: First Principles DFT and Atomistic Thermodynamic Modeling. Molecules 2022; 27:molecules27092954. [PMID: 35566301 PMCID: PMC9100914 DOI: 10.3390/molecules27092954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/22/2022] [Accepted: 04/28/2022] [Indexed: 02/05/2023] Open
Abstract
The mechanical and physical properties of zirconium carbide (ZrC) are limited to its ability to deteriorate in oxidizing environments. Low refractory oxides are typically formed as layers on ZrC surfaces when exposed to the slightest concentrations of oxygen. However, this carbide has a wide range of applications in nuclear reactor lines and nozzle flaps in the aerospace industry, just to name a few. To develop mechanically strong and oxygen-resistant ZrC materials, the need for studying and characterizing the oxidized layers, with emphasis on the interfacial structure between ZrC and the oxidized phases, cannot be understated. In this paper, the ZrC(111)//c-ZrO2 (111) interface was studied by both finite temperature molecular dynamic simulation and DFT. The interfacial mechanical properties were characterized by the work of adhesion which revealed a Zr|OO|Zr|OO//ZrC(111) interface model as the most stable with an oxygen layer from ZrO2 being deposited on the ZrC(111) surface. Further structural analysis at the interface showed a crack in the first ZrO2 layer at the interfacial region. Investigations of the electronic structure using the density of state calculations and Bader charge analysis revealed the interfacial properties as local effects with no significant impacts in the bulk regions of the interface slab.
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Affiliation(s)
- Eric Osei-Agyemang
- Department of Materials Design and Innovation, University at Buffalo, Buffalo, NY 14260-1660, USA;
| | - Jean-François Paul
- UMR 8181—UCCS—Unité de Catalyse et Chimie du Solide, CNRS, Centrale Lille, Univ. Artois, Université de Lille 1, F-59000 Lille, France; (J.-F.P.); (S.C.); (A.-S.M.); (N.N.)
| | - Romain Lucas
- IRCER, UMR 7315, Université de Limoges, F-87068 Limoges, France;
- Correspondence: ; Tel.: +33-587502350
| | - Sylvie Foucaud
- IRCER, UMR 7315, Université de Limoges, F-87068 Limoges, France;
| | - Sylvain Cristol
- UMR 8181—UCCS—Unité de Catalyse et Chimie du Solide, CNRS, Centrale Lille, Univ. Artois, Université de Lille 1, F-59000 Lille, France; (J.-F.P.); (S.C.); (A.-S.M.); (N.N.)
| | - Anne-Sophie Mamede
- UMR 8181—UCCS—Unité de Catalyse et Chimie du Solide, CNRS, Centrale Lille, Univ. Artois, Université de Lille 1, F-59000 Lille, France; (J.-F.P.); (S.C.); (A.-S.M.); (N.N.)
| | - Nicolas Nuns
- UMR 8181—UCCS—Unité de Catalyse et Chimie du Solide, CNRS, Centrale Lille, Univ. Artois, Université de Lille 1, F-59000 Lille, France; (J.-F.P.); (S.C.); (A.-S.M.); (N.N.)
| | - Ahmed Addad
- CNRS-UMR 8207, UMÉT, Unité MatÉriaux et Transformations, F-59000 Lille, France;
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Dzade NY, de Leeuw NH. Periodic DFT+U investigation of the bulk and surface properties of marcasite (FeS2). Phys Chem Chem Phys 2017; 19:27478-27488. [DOI: 10.1039/c7cp04413e] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Marcasite FeS2 and its surfaces properties have been investigated by Hubbard-corrected density functional theory (DFT+U) calculations.
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Affiliation(s)
- Nelson Y. Dzade
- Department of Earth Sciences
- Utrecht University
- Princetonplein 9
- Utrecht
- The Netherlands
| | - Nora H. de Leeuw
- Department of Earth Sciences
- Utrecht University
- Princetonplein 9
- Utrecht
- The Netherlands
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Zhang X, Lu Z, Yang Z. A first principles study of O2 dissociation on Pt modified ZrC(100) surface. Chem Phys Lett 2016. [DOI: 10.1016/j.cplett.2016.02.058] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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