Characterization of SiC Ceramic Joints Brazed Using Au-Ni-Pd-Ti High-Temperature Filler Alloy

doi:10.3390/ma12060931

IMR OpenIR

	Characterization of SiC Ceramic Joints Brazed Using Au-Ni-Pd-Ti High-Temperature Filler Alloy
	He, Huamin 1; Lu, Chuanyang 1; He, Yanming 1; Zheng, Wenjian 1; Yang, Jianguo 1; Wang, Limei 1; Sun, Yuan 2; Gao, Zengliang 1
通讯作者	He, Yanming(heyanming@zjut.edu.cn) ; Sun, Yuan(yuansun@imr.ac.cn)
	2019-03-20
发表期刊	MATERIALS
ISSN	1996-1944
卷号	12 期号:6 页码:12
摘要	In this work, (Au79Ni17Pd4)(96)Ti-4 (wt.%) filler alloy was designed and employed to join SiC ceramics. The effects of brazing temperature and soaking time on the microstructure and fracture morphology of joints were investigated. The results show that the joint obtained can be described as SiC/reaction layer/braze/reaction layer/SiC. The reaction layer was composed of TiC and Au (Si, Ti). The wettability of the filler alloy toward the SiC ceramics was analyzed. The braze zone was mainly constituted by Pd2Si, Ni2Si, and Au (Ni, Si). A large number of nano-sized TiC particles were distributed within the Au (Ni, Si) layer. The formation mechanism of the braze containing different phases was discussed. The brazing temperature and soaking time had a significant effect on the reaction layer at the SiC/braze interface and TiC particles within the Au (Ni, Si) layer, while they showed a negligible effect on the Pd2Si and Ni2Si within the braze. The inherent reason was also clarified in detail. The joint fractography indicated that a good bonding was achieved between the filler alloy and SiC, while joint fracture was primarily induced by the thermal stresses residing after the brazing cycle.
关键词	SiC ceramic high-temperature brazing microstructure residual stress
资助者	National Natural Science Foundation of China ; Natural Science Foundation of Zhejiang Province
DOI	10.3390/ma12060931
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[51475426] ; National Natural Science Foundation of China[51405439] ; National Natural Science Foundation of China[51705461] ; Natural Science Foundation of Zhejiang Province[LY17E050019] ; Natural Science Foundation of Zhejiang Province[LQ16E060004]
WOS研究方向	Materials Science
WOS类目	Materials Science, Multidisciplinary
WOS记录号	WOS:000464359900008
出版者	MDPI
引用统计	被引频次：4[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/132859
专题	中国科学院金属研究所
通讯作者	He, Yanming; Sun, Yuan
作者单位	1.Zhejiang Univ Technol, Inst Proc Equipment & Control Engn, Hangzhou 310014, Zhejiang, Peoples R China 2.Chinese Acad Sci, Dept Superalloy, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
推荐引用方式 GB/T 7714	He, Huamin,Lu, Chuanyang,He, Yanming,et al. Characterization of SiC Ceramic Joints Brazed Using Au-Ni-Pd-Ti High-Temperature Filler Alloy[J]. MATERIALS,2019,12(6):12.
APA	He, Huamin.,Lu, Chuanyang.,He, Yanming.,Zheng, Wenjian.,Yang, Jianguo.,...&Gao, Zengliang.(2019).Characterization of SiC Ceramic Joints Brazed Using Au-Ni-Pd-Ti High-Temperature Filler Alloy.MATERIALS,12(6),12.
MLA	He, Huamin,et al."Characterization of SiC Ceramic Joints Brazed Using Au-Ni-Pd-Ti High-Temperature Filler Alloy".MATERIALS 12.6(2019):12.