Thermodynamic descriptions of the light rare-earth elements in silicon carbide ceramics

doi:10.1111/jace.17031

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

	Thermodynamic descriptions of the light rare-earth elements in silicon carbide ceramics
	Xu, Kai; Chang, Keke; Zhou, Xiaobing; Chen, Leilei; Liu, Junwen; Deng, Zixuan; Huang, Feng; Huang, Qing
刊名	JOURNAL OF THE AMERICAN CERAMIC SOCIETY
	2020
卷号	103 期号:6 页码:3812-3825
关键词	TOTAL-ENERGY CALCULATIONS ELECTRICAL-PROPERTIES STANDARD ENTHALPIES LA-SI LANTHANUM SILICIDES CE FABRICATION SYSTEM PR
DOI	10.1111/jace.17031
英文摘要	The Y3Si2C2 coating on the silicon carbide (SiC) powders is reported to improve the sintering process, but the relatively high sintering temperature (1600 degrees C) restricts the engineering application. A series of thermodynamic descriptions for the SiC with light rare-earth elements are desired to develop potential SiC-RE3Si2C2 core-shell structures as sintering aids with lower temperatures. Coupling the CALPHAD (CALculation of PHAse Diagram) approach and first-principles calculations, we have investigated the RE-Si-C (RE = La, Ce and Pr) systems. In the SiC-RE3Si2C2 core-shell structures, the RE3Si2C2 phases can react with SiC via ternary eutectic reactions at 810 degrees C, 747 degrees C, and 1148 degrees C respectively. The predicted thermal behaviors of the Pr3Si2C2 phase were further confirmed by our key experiments. Therefore, our database can be used to predict promising sintering aids and guide the subsequent processes.
学科主题	Materials Science
内容类型	期刊论文
源URL	[http://ir.nimte.ac.cn/handle/174433/20007]
专题	2020专题
作者单位	Chang, KK (corresponding author), Chinese Acad Sci, Engn Lab Adv Energy Mat, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China.
推荐引用方式 GB/T 7714	Xu, Kai,Chang, Keke,Zhou, Xiaobing,et al. Thermodynamic descriptions of the light rare-earth elements in silicon carbide ceramics[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2020,103(6):3812-3825.
APA	Xu, Kai.,Chang, Keke.,Zhou, Xiaobing.,Chen, Leilei.,Liu, Junwen.,...&Huang, Qing.(2020).Thermodynamic descriptions of the light rare-earth elements in silicon carbide ceramics.JOURNAL OF THE AMERICAN CERAMIC SOCIETY,103(6),3812-3825.
MLA	Xu, Kai,et al."Thermodynamic descriptions of the light rare-earth elements in silicon carbide ceramics".JOURNAL OF THE AMERICAN CERAMIC SOCIETY 103.6(2020):3812-3825.