Influence of stabilization heat treatment temperature on microstructure and stress rupture properties of Inconel 706 superalloy

doi:10.1016/j.jmrt.2023.11.226

IMR OpenIR

	Influence of stabilization heat treatment temperature on microstructure and stress rupture properties of Inconel 706 superalloy
	Zhang, Sha 1,2; Jia, Dan 3; Zhao, Dongqing 4; Zeng, Lingrong 5; Zhang, Lin 2; Zeng, Guangsheng 1; Qu, Xuanhui 2; Sun, Wenru 3
通讯作者	Zhang, Sha(szhang10b@alum.imr.ac.cn) ; Qu, Xuanhui(quxh@ustb.edu.cn)
	2023-11-01
发表期刊	JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
ISSN	2238-7854
卷号	27 页码:7998-8007
摘要	Although the stabilizing heat treatment between solution treatment and aging treatment in Inconel 706 alloy is important to improve its stress rupture life, the influence of stabilization heat treatment temperature on the microstructure and stress rupture properties has not been well understood. In this study, heat treatments consisting of three stabilization temperatures (800 degrees C, 845 degrees C, and 880 degrees C) were performed in Inconel 706 alloy. The results showed that the stress rupture properties were improved with the increase of stabilization temperature. When compared with stabilization at 800 degrees C, the alloy stabilized at 880 degrees C exhibited a 96% increase in stress rupture life and a 110% increase in elongation. Furthermore, increasing the stabilization temperature led to the increased amount of eta phase at grain boundaries. The eta phase appeared in granular, rod-shaped or needle-shaped morphology. The microstructure in the grain interior exhibited compact gamma'/gamma" coprecipitates in the samples stabilized at 800 degrees C and 845 degrees C, while that showed noncompact gamma'/gamma" coprecipitates in the sample stabilized at 880 degrees C. The formation of 2.34 vol% eta phase was found to be beneficial for the stress rupture properties. The improvement in stress rupture properties was ascribed to the presence of eta phase and the associated precipitate-free zones at grain boundaries.
关键词	Ni-based superalloy Inconel 706 Stabilization heat treatment temperature eta-phase gamma' /gamma '' coprecipitate Stress rupture property
资助者	National Natural Science Foun-dation of China ; Science and Technology Innovation Program of Hunan Province of China ; Natural Science Foundation of Sichuan Province of China
DOI	10.1016/j.jmrt.2023.11.226
收录类别	SCI
语种	英语
资助项目	National Natural Science Foun-dation of China[52173034] ; National Natural Science Foun-dation of China[51973056] ; Science and Technology Innovation Program of Hunan Province of China[2023JJ30081] ; Natural Science Foundation of Sichuan Province of China[2022NSFSC2007]
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:001134667800001
出版者	ELSEVIER
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/183359
专题	中国科学院金属研究所
通讯作者	Zhang, Sha; Qu, Xuanhui
作者单位	1.Changsha Univ, Coll Mech & Elect Engn, Changsha 410022, Peoples R China 2.Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Beijing Adv Innovat Ctr Mat Genome Engn, Beijing 100083, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 4.Qilu Univ Technol, Adv Mat Inst, Shandong Acad Sci, Shandong Prov Key Lab High Strength Lightweight Me, Jinan 250014, Peoples R China 5.Chengdu Univ, Sch Mech Engn, Chengdu 610106, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Sha,Jia, Dan,Zhao, Dongqing,et al. Influence of stabilization heat treatment temperature on microstructure and stress rupture properties of Inconel 706 superalloy[J]. JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,2023,27:7998-8007.
APA	Zhang, Sha.,Jia, Dan.,Zhao, Dongqing.,Zeng, Lingrong.,Zhang, Lin.,...&Sun, Wenru.(2023).Influence of stabilization heat treatment temperature on microstructure and stress rupture properties of Inconel 706 superalloy.JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,27,7998-8007.
MLA	Zhang, Sha,et al."Influence of stabilization heat treatment temperature on microstructure and stress rupture properties of Inconel 706 superalloy".JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T 27(2023):7998-8007.