The coupling effects of temperature and stress on the growth kinetics of Ni3Al in Ni//NiAl diffusion couples

doi:10.1016/j.surfcoat.2023.130223

IMR OpenIR

	The coupling effects of temperature and stress on the growth kinetics of Ni3Al in Ni//NiAl diffusion couples
	Gao, Xinyu 1,2; Tian, Yuan 3; Wen, Xin 1,2; Zhang, Bing 1,2; Wang, Yoangqiang 1,2; Chen, Yipeng 1,2; Qiao, Shichang 1,2; Wang, Fengzhen 1,2; Liu, Shuai 2; Yuan, Chao 1,2
通讯作者	Yuan, Chao(ychao@imr.ac.cn)
	2024-01-30
发表期刊	SURFACE & COATINGS TECHNOLOGY
ISSN	0257-8972
卷号	476 页码:7
摘要	The growth kinetics of Ni3Al were investigated in Ni//NiAl macroscopic diffusion couples annealed at 800-1000 degrees C under applied elastic compressive stress. By utilizing electron backscatter diffraction (EBSD) technology in conjunction with appropriate statistical methods, the mechanism underlying the impact of elastic stress on Ni3Al growth kinetics is elucidated. Based on the findings, the application of compressive elastic stress can enhance Ni3Al growth kinetics by increasing both atomic vibration frequency (nu) and activation entropy (Delta s). The newly formed Ni3Al phase at the Ni/NiAl interface exhibits a specific crystallographic relationship with adjacent NiAl phase, with most Ni3Al grains maintaining a Kurdjumov-Sachs (K-S) orientation relationship. Remarkably, the application of elastic compressive stress in conjunction with an increase in temperature results in a reduction of Ni3Al grains grown according to the K-S orientation relationship.
关键词	Solid-state phase transformation External elastic compression stress Kinetics Nickel aluminum Orientation relationship
DOI	10.1016/j.surfcoat.2023.130223
收录类别	SCI
语种	英语
WOS研究方向	Materials Science ; Physics
WOS类目	Materials Science, Coatings & Films ; Physics, Applied
WOS记录号	WOS:001123731200001
出版者	ELSEVIER SCIENCE SA
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/321006/177082
专题	中国科学院金属研究所
通讯作者	Yuan, Chao
作者单位	1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 3.Dalian Jiaotong Univ, Sch Mat Sci & Engn, Dalian 116028, Peoples R China
推荐引用方式 GB/T 7714	Gao, Xinyu,Tian, Yuan,Wen, Xin,et al. The coupling effects of temperature and stress on the growth kinetics of Ni3Al in Ni//NiAl diffusion couples[J]. SURFACE & COATINGS TECHNOLOGY,2024,476:7.
APA	Gao, Xinyu.,Tian, Yuan.,Wen, Xin.,Zhang, Bing.,Wang, Yoangqiang.,...&Yuan, Chao.(2024).The coupling effects of temperature and stress on the growth kinetics of Ni3Al in Ni//NiAl diffusion couples.SURFACE & COATINGS TECHNOLOGY,476,7.
MLA	Gao, Xinyu,et al."The coupling effects of temperature and stress on the growth kinetics of Ni3Al in Ni//NiAl diffusion couples".SURFACE & COATINGS TECHNOLOGY 476(2024):7.