Thermodynamics and kinetics of interdiffusion in Ni//NiAl diffusion couples

doi:10.1016/j.jallcom.2023.172751

IMR OpenIR

	Thermodynamics and kinetics of interdiffusion in Ni//NiAl diffusion couples
	Gao, Xinyu 1,2; Martin, Seyring 3; Wen, Xin 1,2; Tian, Yuan 4; Zhang, Bing 1,2; Wang, Yongqiang 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)
	2024-01-15
发表期刊	JOURNAL OF ALLOYS AND COMPOUNDS
ISSN	0925-8388
卷号	971 页码:11
摘要	The growth behavior of Ni3Al after nucleation at the Ni/NiAl interface was investigated by using macroscopic diffusion couples at low annealing temperatures of 973-1073 K. The thickness and grain size of the Ni3Al phase at different annealing temperatures were statistically analyzed by scanning electron microscopy to evaluate the growth kinetics of the Ni3Al layer. According to the growth rate exponent, the growth of Ni3Al layer to NiAl is almost completely controlled by volume diffusion (VD) when it is above 1023 K, and by boundary diffusion (BD) when it is below 1023 K. In contrast, the growth of Ni3Al into Ni is controlled by VD almost whether at 1023 K or 1073 K. Remarkably, a continuous Al-rich Ni grain layer was formed at the Ni3Al/Ni interface by diffusioninduced recrystallization (DIR), and the experimental results for DIR region of composition and growth behavior were numerically analyzed using the thermodynamic and kinetic models, respectively. The analyses suggest that the composition of the DIR region in the Ni(Al) binary system can be determined by the thermodynamic conditions of the chemical driving force model (CDF model). Additionally, kinetic analysis using the new extended model (NE model) indicates that under current annealing conditions, interface reaction and BD control growth at the moving boundary of the DIR region. Furthermore, the temperature stability range of Ni5Al3 in the Ni//NiAl system was subjected to systematic analysis.
关键词	Intermetallics Solid-state phase transformation Thermodynamics and kinetics Nickel aluminum diffusion induced recrystallization
DOI	10.1016/j.jallcom.2023.172751
收录类别	SCI
语种	英语
WOS研究方向	Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Chemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:001107069200001
出版者	ELSEVIER SCIENCE SA
引用统计	被引频次：3[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/321006/177331
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.Friedrich Schiller Univ Jena, Otto Schott Inst Mat Res, Lobdergraben 32, D-07743 Jena, Germany 4.Dalian Jiaotong Univ, Sch Mat Sci & Engn, Dalian 116028, Peoples R China
推荐引用方式 GB/T 7714	Gao, Xinyu,Martin, Seyring,Wen, Xin,et al. Thermodynamics and kinetics of interdiffusion in Ni//NiAl diffusion couples[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2024,971:11.
APA	Gao, Xinyu.,Martin, Seyring.,Wen, Xin.,Tian, Yuan.,Zhang, Bing.,...&Yuan, Chao.(2024).Thermodynamics and kinetics of interdiffusion in Ni//NiAl diffusion couples.JOURNAL OF ALLOYS AND COMPOUNDS,971,11.
MLA	Gao, Xinyu,et al."Thermodynamics and kinetics of interdiffusion in Ni//NiAl diffusion couples".JOURNAL OF ALLOYS AND COMPOUNDS 971(2024):11.