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Microstructure evolution and work hardening behaviour during cold deformation of Haynes 214 superalloy

文献类型：期刊论文

作者Liu, Jiaao1,5; Zhang, Weihong1; Mei, Feiqiang4; Xin, Xin1; Cao, Yichao3; Zhu, Chongwei2; Liu, Qingao1,5; Zhu, Xuhui2; Sun, Wenru1
刊名JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
出版日期2023-05-01
卷号24页码:5792-5804
关键词Haynes 214 nickel-based superalloy Uniaxial compression tests Microstructure evolution Work-hardening behaviour Deformation twins
ISSN号2238-7854
DOI10.1016/j.jmrt.2023.04.194
通讯作者Zhang, Weihong(whzhang@imr.ac.cn) ; Sun, Wenru(wrsun@imr.ac.cn)
英文摘要Using uniaxial compression tests, the microstructure evolution and work hardening behaviour of Haynes 214 superalloy were investigated in the strain rate range of 0.01-5 s(-1). The true strain-stress relationship was formulated based on a modified Tian model. The alloy exhibited a four-stage work hardening response similar to that previously reported for low stacking fault energy (SFE) face-centred cubic alloys. At strain lower of similar to 0.07 (stage I), the work hardening rate decreased. At stage II (strain between 0.07 and 0.16), because of dislocation cross-slip, the dislocation movement was difficult, and the rate of work hardening increased. At stage III (strain between 0.16 and 0.48), work hardening showed the second decreasing stage. This stage was attributed to the appearance of high angle boundaries (HAGBs) as well as deformation twins, which consumed dislocation, relieved stress concentration, changed the crystal orientation, and produced some slip systems in a favourable orientation. When strain was greater than 0.48 (stage IV), as the number of deformation twins increased and they crossed one another, a final, slightly consistent hardening regime was observed. In addition, work hardening behaviour was considerably influenced by the strain rate. The true stress was the highest at medium strain rate of 1 s(-1), and the second stage work-hardening rate at this strain rate was also larger than that at other rates, which was related to the generation of deformation twins at a high strain rate of 5 s(-1). (C) 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:001055211300001
出版者ELSEVIER
源URL[http://ir.imr.ac.cn/handle/321006/179065]  
专题金属研究所_中国科学院金属研究所
通讯作者Zhang, Weihong; Sun, Wenru
作者单位1.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China
2.AECC Shenyang Engine Res Inst, 1 Wanlian Rd, Shenyang 110015, Peoples R China
3.AECC Shenyang Liming Aero Engine Grp Corp Ltd, Shenyang 110043, Peoples R China
4.Air Force Equipment Dept, Shenyang Area 2nd Mil Representat Room, Shenyang 110043, Peoples R China
5.Univ Sci & Technol China, Dept Mat Sci & Engn, 96 Jinzhai Rd, Hefei 230026, Anhui, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Jiaao,Zhang, Weihong,Mei, Feiqiang,et al. Microstructure evolution and work hardening behaviour during cold deformation of Haynes 214 superalloy[J]. JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,2023,24:5792-5804.
APA Liu, Jiaao.,Zhang, Weihong.,Mei, Feiqiang.,Xin, Xin.,Cao, Yichao.,...&Sun, Wenru.(2023).Microstructure evolution and work hardening behaviour during cold deformation of Haynes 214 superalloy.JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,24,5792-5804.
MLA Liu, Jiaao,et al."Microstructure evolution and work hardening behaviour during cold deformation of Haynes 214 superalloy".JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T 24(2023):5792-5804.

入库方式： OAI收割

来源：金属研究所

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