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In order to clarify plastic deformation behavior and mechanism of fracture energy absorption of Ti3SiC2, Vickers indentation tests were conducted for Ti3SiC2 sintered bodies with various textured orientations. Textured Ti3SiC2 sintered bodies were fabricated by slip casting in a strong magnetic field and spark plasma sintering (SPS), and their orientation distribution were analyzed by SEM/EBSD. It was found that for the textured Ti3SiC2, the plastic deformation behavior around Vickers indents such as an indent shape and a grain pile-up were strongly affected by basal slip and kink deformation. Furthermore, the fracture energy absorption mechanism around the indents also depended on the texture orientations. From our results, it is concluded that the most effective factor for suppressing the crack propagation was the grain pile-up, and the
second one was crack deflections.

権利情報:

• In Copyright
  

キーワード: MAX相, 異方性, 亀裂

刊行年月日: 2023-03-01

出版者: Japan Institute of Metals

掲載誌:

• MATERIALS TRANSACTIONS (ISSN: 13475320) vol. 64 issue. 3 p. 650-656 MT-Y2022006

研究助成金:

• JSPS JP19H05115
• JSPS JP18H05482

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.2320/matertrans.mt-y2022006

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更新時刻: 2024-12-17 16:30:51 +0900

MDRでの公開時刻: 2024-12-17 16:30:51 +0900