Pore-induced defects during thermo-mechanical fatigue of a fourth-generation single crystal superalloy

doi:10.1080/21663831.2023.2223558

IMR OpenIR

	Pore-induced defects during thermo-mechanical fatigue of a fourth-generation single crystal superalloy
	Tan, Zihao 1,2; Wang, Xinguang 1; Pang, Jianchao 1; Zou, Mingke 1; Tao, Yan 1; Tao, Xipeng 1; Zou, Chenglu 1; Yang, Yanhong 1; Liu, Jide 1; Liu, Jinlai 1; Li, Jinguo 1; Zhou, Yizhou 1; Sun, Xiaofeng 1
通讯作者	Wang, Xinguang(xgwang11b@imr.ac.cn) ; Sun, Xiaofeng(xfsun@imr.ac.cn)
	2023-08-03
发表期刊	MATERIALS RESEARCH LETTERS
ISSN	2166-3831
卷号	11 期号:8 页码:678-687
摘要	Comparable investigation of pore-induced defects during in-phase (IP) and out-of-phase (OP) thermo-mechanical fatigue (TMF) were conducted on fourth-generation single crystal superalloy. It was discovered that recrystallizations and deformation twins would take shape near micro-pores at IP and OP cycling, respectively. High-resolution observation uncovered that the increasing a/6(112) twinning dislocations and more frequent activation of (112){111) viscous slipping during OP-TMF accounted for twinning nucleation. Atom-scale mapping additionally disclosed the dual effect of Re, Co, and Cr in facilitating twinning formation and impeding of partial dislocations movement. It was deemed that the accumulation of pore-induced twins caused the premature fracture of alloy during OP-TMF.
关键词	Fourth-generation single crystal superalloy micro-pores deformation twins element segregation thermo-mechanical fatigue
资助者	National Science and Technology Major Project ; Excellent Youth Foundation of Liaoning Province ; Middle-aged and Youth Talents in Scientific and Technological Innovation Project of Shenyang ; Youth Innovation Promotion Association, Chinese Academy of Sciences
DOI	10.1080/21663831.2023.2223558
收录类别	SCI
语种	英语
资助项目	National Science and Technology Major Project[2017-VI-0002-0072] ; Excellent Youth Foundation of Liaoning Province[2021-YQ-02] ; Middle-aged and Youth Talents in Scientific and Technological Innovation Project of Shenyang[RC220440] ; Youth Innovation Promotion Association, Chinese Academy of Sciences
WOS研究方向	Materials Science
WOS类目	Materials Science, Multidisciplinary
WOS记录号	WOS:001016679600001
出版者	TAYLOR & FRANCIS INC
引用统计	被引频次：13[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/321006/178325
专题	中国科学院金属研究所
通讯作者	Wang, Xinguang; Sun, Xiaofeng
作者单位	1.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, 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	Tan, Zihao,Wang, Xinguang,Pang, Jianchao,et al. Pore-induced defects during thermo-mechanical fatigue of a fourth-generation single crystal superalloy[J]. MATERIALS RESEARCH LETTERS,2023,11(8):678-687.
APA	Tan, Zihao.,Wang, Xinguang.,Pang, Jianchao.,Zou, Mingke.,Tao, Yan.,...&Sun, Xiaofeng.(2023).Pore-induced defects during thermo-mechanical fatigue of a fourth-generation single crystal superalloy.MATERIALS RESEARCH LETTERS,11(8),678-687.
MLA	Tan, Zihao,et al."Pore-induced defects during thermo-mechanical fatigue of a fourth-generation single crystal superalloy".MATERIALS RESEARCH LETTERS 11.8(2023):678-687.