Fabrication, microstructure, and properties of SiC/Al4SiC4 multiphase ceramics via an in-situ formed liquid phase sintering

doi:10.1007/s40145-020-0359-8

CORC > 宁波材料技术与工程研究所 > 中国科学院宁波材料技术与工程研究所 > 2020专题

	Fabrication, microstructure, and properties of SiC/Al4SiC4 multiphase ceramics via an in-situ formed liquid phase sintering
	Liu, Junwen; Zhou, Xiaobing; Tatarko, Peter; Yuan, Qin; Zhang, Lan; Wang, Hongjie; Huang, Zhengren; Huang, Qing
刊名	JOURNAL OF ADVANCED CERAMICS
	2020
卷号	9 期号:2 页码:193-203
关键词	LOW-TEMPERATURE SYNTHESIS PLATE-LIKE AL4SIC4 MECHANICAL-PROPERTIES SICF/SIC COMPOSITES OXIDATION BEHAVIOR CARBIDE RESISTANCE STRENGTH
DOI	10.1007/s40145-020-0359-8
英文摘要	The SiC/Al4SiC4 composites with the improved mechanical properties and thermal conductivity were fabricated by the in-situ reaction of polycarbosilane (PCS) and Al powders using spark plasma sintering. The addition of 5 wt% yttrium (Y) sintering additive was useful to obtain fully dense samples after sintering at a relatively low temperature of 1650 degrees C, due to the formation of a liquid phase during sintering. The average particle size of the in-situ formed SiC was ~300 nm. The fracture toughness (4.9 MP center dot m(1/2)), Vickers hardness (16.3 GPa), and thermal conductivity (15.8 W/(m center dot K)) of the SiC/Al4SiC4 composite sintered at 1650 degrees C were significantly higher than the hardness (13.2 GPa), fracture toughness (2.16 MPa center dot m(1/2)), and thermal conductivity (7.8 W/(m center dot K)) of the monolithic Al4SiC4 ceramics. The improved mechanical and thermal properties of the composites were attributed to the high density, fine grain size, as well as the optimized grain boundary structure of the SiC/Al4SiC4 composites.
学科主题	Materials Science
内容类型	期刊论文
源URL	[http://ir.nimte.ac.cn/handle/174433/19828]
专题	2020专题
作者单位	Zhou, XB (corresponding author), Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Engn Lab Adv Energy Mat, Ningbo 315201, Peoples R China.
推荐引用方式 GB/T 7714	Liu, Junwen,Zhou, Xiaobing,Tatarko, Peter,et al. Fabrication, microstructure, and properties of SiC/Al4SiC4 multiphase ceramics via an in-situ formed liquid phase sintering[J]. JOURNAL OF ADVANCED CERAMICS,2020,9(2):193-203.
APA	Liu, Junwen.,Zhou, Xiaobing.,Tatarko, Peter.,Yuan, Qin.,Zhang, Lan.,...&Huang, Qing.(2020).Fabrication, microstructure, and properties of SiC/Al4SiC4 multiphase ceramics via an in-situ formed liquid phase sintering.JOURNAL OF ADVANCED CERAMICS,9(2),193-203.
MLA	Liu, Junwen,et al."Fabrication, microstructure, and properties of SiC/Al4SiC4 multiphase ceramics via an in-situ formed liquid phase sintering".JOURNAL OF ADVANCED CERAMICS 9.2(2020):193-203.