Identification of intrinsic mechanisms and controlling factors for γ′ rafting of Ni-based single crystal superalloys

doi:10.1080/21663831.2024.2447291

IMR OpenIR

	Identification of intrinsic mechanisms and controlling factors for γ′ rafting of Ni-based single crystal superalloys
	Li, Yongmei 1,2; Tan, Zihao 1; Wang, Xinguang 1; Liu, Yanfei 1,2; Liu, Jide 1; Liu, Jinlai 1; Li, Jinguo 1; Sun, Xiaofeng 1; Zhou, Yizhou 1
通讯作者	Tan, Zihao(zhtan20b@imr.ac.cn) ; Wang, Xinguang(xgwang11b@imr.ac.cn) ; Zhou, Yizhou(yzzhou@163.com)
	2025
发表期刊	MATERIALS RESEARCH LETTERS
ISSN	2166-3831
页码	8
摘要	The present study elucidated the formation mechanism of gamma ' rafting related to dislocation motion and clarified that gamma ' rafting could be divided into the mismatch-driven stage I and diffusion-controlled stage II. This transition arose from the dual effects of dislocations: relaxing lattice mismatch and boosting elements diffusion. In detail, once the elastic misfit stress was nearly released by forming dense dislocation networks, the effective bulk diffusivity and the mobility of matrix dislocations would control the subsequent gamma ' rafting. This study offered insights into the rafting of gamma ' phase and proposed valuable suggestions to improve the microstructural stability of Ni-based single crystal superalloys.
关键词	Superalloy gamma ' rafting pipe-diffusion lattice mismatch dislocation networks
资助者	Middle-aged and Youth Talents in Scientific and Technological Innovation Project of Shenyang ; Excellent Youth Foundation of Liaoning Province
DOI	10.1080/21663831.2024.2447291
收录类别	SCI
语种	英语
资助项目	Middle-aged and Youth Talents in Scientific and Technological Innovation Project of Shenyang[RC220440] ; Excellent Youth Foundation of Liaoning Province[2021-YQ-02]
WOS研究方向	Materials Science
WOS类目	Materials Science, Multidisciplinary
WOS记录号	WOS:001387080500001
出版者	TAYLOR & FRANCIS INC
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/181033
专题	中国科学院金属研究所
通讯作者	Tan, Zihao; Wang, Xinguang; Zhou, Yizhou
作者单位	1.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, 72 Wenhua Rd, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang, Peoples R China
推荐引用方式 GB/T 7714	Li, Yongmei,Tan, Zihao,Wang, Xinguang,等. Identification of intrinsic mechanisms and controlling factors for γ′ rafting of Ni-based single crystal superalloys[J]. MATERIALS RESEARCH LETTERS,2025:8.
APA	Li, Yongmei.,Tan, Zihao.,Wang, Xinguang.,Liu, Yanfei.,Liu, Jide.,...&Zhou, Yizhou.(2025).Identification of intrinsic mechanisms and controlling factors for γ′ rafting of Ni-based single crystal superalloys.MATERIALS RESEARCH LETTERS,8.
MLA	Li, Yongmei,et al."Identification of intrinsic mechanisms and controlling factors for γ′ rafting of Ni-based single crystal superalloys".MATERIALS RESEARCH LETTERS (2025):8.