Oxidation-induced strength behavior of Ti3SiC2 |
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| Authors: | D Sarkar A Padhiary SJ Cho MC Chu |
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| Affiliation: | 1. Department of Ceramic Engineering, National Institute of Technology, NIT-Rourkela, Rourkela 769008, Orissa, India;2. Division of Advanced Technology, Korea Research Institute of Science and Standards, Yusong, Daejeon 305-600, Republic of Korea;1. Department of Materials Science & Engineering, Seoul National University, Daehak-dong, Gwanak-gu, Seoul 151-744, Republic of Korea;2. Department of Materials Science & Engineering, Ajou University, Woncheon-dong, San 5, Yeongtong-gu, Suwon 443-749, Republic of Korea;1. Department of Materials Science and Engineering, Delft University of Technology, The Netherlands;2. Faculty of Aerospace Engineering, Delft University of Technology, Kluyverweg 1, 2629 HS, Delft, The Netherlands;1. State Key Laboratory of High Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;2. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Institute of Functional Materials, Donghua University, Shanghai 201620, China;3. University of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | Oxidation behavior and subsequent mechanical properties of Ti3SiC2 were studied. The oxide scale has significant effect on strength and hardness, which is mainly attributed due to the mismatch of coefficient of thermal expansion (CTE) of substrate and oxide phases. The improved flexural strength (～650 MPa) could be noticed at 1000 °C; however, at elevated temperature the ductility of Ti3SiC2 was predominant and reduced the strength. |
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