Fabrication and mechanical properties of textured T3SiC2 systems using commercial powders

Yuichi Uchida; Koji Morita; Tohru S. Suzuki; Toshiyuki Nishimura; Kenjiro Fujimoto; Yoshio Sakka

doi:10.2497/jjspm.64.552

Fabrication and mechanical properties of textured T₃SiC₂ systems using commercial powders

Yuichi Uchida, Koji Morita, Tohru S. Suzuki, Toshiyuki Nishimura, Kenjiro Fujimoto, Yoshio Sakka^*

^*Corresponding author for this work

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

Abstract

T₃SiC₂ is a typical Mn+1AXn (MAX) phase ceramics and shows unique metallic-like and ceramic-like properties. To improve these properties, texturing and Al₂O₃ addition have been conducted. The commercial T₃SiC₂ powder used contains approximately 10 wt% TiC phase. Textured T₃SiC₂ was prepared by slip cast in strong magnetic fields followed by spark plasma sintering (SPS) at 1350°C under 40 MPa for 5 min. The Lotgering orientation factor of (00l) peaks of T₃SiC₂ with magnetic field (MF) was 0.96, and relative density of samples was beyond 99%. The bending strength and fracture toughness of T₃SiC₂ were improved by texturing. T₃SiC₂ with magnetic field showed excellent value of bending strength of 978 MPa, but Al₂O₃ addition caused deterioration of bending strength and fracture toughness. T₃SiC₂ with MF showed the plastic deformation at temperature at around 900°C.

Original language	English
Pages (from-to)	552-557
Number of pages	6
Journal	Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
Volume	64
Issue number	10
DOIs	https://doi.org/10.2497/jjspm.64.552
Publication status	Published - 2017 Oct
Externally published	Yes

Keywords

Bending strength
Crystal orientation
Fracture toughness
SPS
TSiC

ASJC Scopus subject areas

Mechanical Engineering
Industrial and Manufacturing Engineering
Metals and Alloys
Materials Chemistry

Access to Document

10.2497/jjspm.64.552

Cite this

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title = "Fabrication and mechanical properties of textured T3SiC2 systems using commercial powders",

abstract = "T3SiC2 is a typical Mn+1AXn (MAX) phase ceramics and shows unique metallic-like and ceramic-like properties. To improve these properties, texturing and Al2O3 addition have been conducted. The commercial T3SiC2 powder used contains approximately 10 wt% TiC phase. Textured T3SiC2 was prepared by slip cast in strong magnetic fields followed by spark plasma sintering (SPS) at 1350°C under 40 MPa for 5 min. The Lotgering orientation factor of (00l) peaks of T3SiC2 with magnetic field (MF) was 0.96, and relative density of samples was beyond 99%. The bending strength and fracture toughness of T3SiC2 were improved by texturing. T3SiC2 with magnetic field showed excellent value of bending strength of 978 MPa, but Al2O3 addition caused deterioration of bending strength and fracture toughness. T3SiC2 with MF showed the plastic deformation at temperature at around 900°C.",

keywords = "Bending strength, Crystal orientation, Fracture toughness, SPS, TSiC",

author = "Yuichi Uchida and Koji Morita and Suzuki, {Tohru S.} and Toshiyuki Nishimura and Kenjiro Fujimoto and Yoshio Sakka",

year = "2017",

month = oct,

doi = "10.2497/jjspm.64.552",

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AU - Uchida, Yuichi

AU - Morita, Koji

AU - Suzuki, Tohru S.

AU - Nishimura, Toshiyuki

AU - Fujimoto, Kenjiro

AU - Sakka, Yoshio

PY - 2017/10

Y1 - 2017/10

N2 - T3SiC2 is a typical Mn+1AXn (MAX) phase ceramics and shows unique metallic-like and ceramic-like properties. To improve these properties, texturing and Al2O3 addition have been conducted. The commercial T3SiC2 powder used contains approximately 10 wt% TiC phase. Textured T3SiC2 was prepared by slip cast in strong magnetic fields followed by spark plasma sintering (SPS) at 1350°C under 40 MPa for 5 min. The Lotgering orientation factor of (00l) peaks of T3SiC2 with magnetic field (MF) was 0.96, and relative density of samples was beyond 99%. The bending strength and fracture toughness of T3SiC2 were improved by texturing. T3SiC2 with magnetic field showed excellent value of bending strength of 978 MPa, but Al2O3 addition caused deterioration of bending strength and fracture toughness. T3SiC2 with MF showed the plastic deformation at temperature at around 900°C.

AB - T3SiC2 is a typical Mn+1AXn (MAX) phase ceramics and shows unique metallic-like and ceramic-like properties. To improve these properties, texturing and Al2O3 addition have been conducted. The commercial T3SiC2 powder used contains approximately 10 wt% TiC phase. Textured T3SiC2 was prepared by slip cast in strong magnetic fields followed by spark plasma sintering (SPS) at 1350°C under 40 MPa for 5 min. The Lotgering orientation factor of (00l) peaks of T3SiC2 with magnetic field (MF) was 0.96, and relative density of samples was beyond 99%. The bending strength and fracture toughness of T3SiC2 were improved by texturing. T3SiC2 with magnetic field showed excellent value of bending strength of 978 MPa, but Al2O3 addition caused deterioration of bending strength and fracture toughness. T3SiC2 with MF showed the plastic deformation at temperature at around 900°C.

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KW - Fracture toughness

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