Orientation dependence of plastic deformation behavior and fracture energy absorption mechanism around vickers indentation of textured Ti3SiC2sintered body

Yuji Shirakami; Ken Ichi Ikeda; Seiji Miura; Koji Morita; Tohru S. Suzuki; Yoshio Sakka

doi:10.2497/jjspm.67.607

Orientation dependence of plastic deformation behavior and fracture energy absorption mechanism around vickers indentation of textured Ti₃SiC₂sintered body

Yuji Shirakami, Ken Ichi Ikeda^*, Seiji Miura, Koji Morita, Tohru S. Suzuki, Yoshio Sakka

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Pages (from-to)	607-614
Number of pages	8
Journal	Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
Volume	67
Issue number	11
DOIs	https://doi.org/10.2497/jjspm.67.607
Publication status	Published - 2020 Nov 15
Externally published	Yes

Keywords

Anisotropy
Fracture energy absorption
Texture
TiSiC
Vickers indentation

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering
Metals and Alloys
Materials Chemistry

Access to Document

10.2497/jjspm.67.607

Cite this

Shirakami, Y., Ikeda, K. I., Miura, S., Morita, K., Suzuki, T. S., & Sakka, Y. (2020). Orientation dependence of plastic deformation behavior and fracture energy absorption mechanism around vickers indentation of textured Ti₃SiC₂sintered body. Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy, 67(11), 607-614. https://doi.org/10.2497/jjspm.67.607

Orientation dependence of plastic deformation behavior and fracture energy absorption mechanism around vickers indentation of textured Ti₃SiC₂sintered body. / Shirakami, Yuji; Ikeda, Ken Ichi; Miura, Seiji; Morita, Koji; Suzuki, Tohru S.; Sakka, Yoshio.

In: Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy, Vol. 67, No. 11, 15.11.2020, p. 607-614.

Research output: Contribution to journal › Article › peer-review

Shirakami, Y, Ikeda, KI, Miura, S, Morita, K, Suzuki, TS & Sakka, Y 2020, 'Orientation dependence of plastic deformation behavior and fracture energy absorption mechanism around vickers indentation of textured Ti₃SiC₂sintered body', Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy, vol. 67, no. 11, pp. 607-614. https://doi.org/10.2497/jjspm.67.607

Shirakami Y, Ikeda KI, Miura S, Morita K, Suzuki TS, Sakka Y. Orientation dependence of plastic deformation behavior and fracture energy absorption mechanism around vickers indentation of textured Ti₃SiC₂sintered body. Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 2020 Nov 15;67(11):607-614. https://doi.org/10.2497/jjspm.67.607

Shirakami, Yuji ; Ikeda, Ken Ichi ; Miura, Seiji ; Morita, Koji ; Suzuki, Tohru S. ; Sakka, Yoshio. / Orientation dependence of plastic deformation behavior and fracture energy absorption mechanism around vickers indentation of textured Ti₃SiC₂sintered body. In: Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 2020 ; Vol. 67, No. 11. pp. 607-614.

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abstract = "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. ",

keywords = "Anisotropy, Fracture energy absorption, Texture, TiSiC, Vickers indentation",

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AU - Morita, Koji

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AU - Sakka, Yoshio

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AB - 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.

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