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Title:
Dynamic recrystallization induced by plastic deformation at high strain rate in a Monel alloy
Author: Li Q(李强); Xu YB(徐永波); Lai ZH(赖祖涵); Shen LT(沈乐天); Bai YL(白以龙)
Source: Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing
Issued Date: 2000
Volume: 276, Issue:1-2, Pages:250-256
Abstract: An investigation has been made into the plastic deformation behavior of a Monel alloy deformed at high strain rate of 10(5) s(-1) by split Hopkinson bar. The results reveal that there are some equiaxed grains with an average size of 150 nm in diameter in the center of the shear bands, suggesting that this microstructure characteristics be developed by dynamic recrystallization, arising from the deformation and the rapid temperature rise in the band. Analysis shows that the plastic strain rate and the mobile dislocation density play a key role in the new crystallized grain formation and growth. Based on grain boundary energy change and diffusion mechanism, the grain growth kinetics is developed for plastic deformation at a high strain rate.
Language: 英语
Indexed Type: SCI
Corresponding Author: Li, Q (reprint author), Acad Sinica, Inst Met Res, State Key Lab Fatigue & Fracture Mat, 75 Wenhua Rd, Shenyang 110015, Peoples R China.
DOI: 10.1016/S0921-5093(99)00127-6
DOC Type: Article
WOS Subject: Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS Subject Extended: Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS Keyword Plus: ADIABATIC SHEAR BANDS ; ENHANCED GRAIN-GROWTH ; MICROSTRUCTURE ; COPPER ; TITANIUM ; BEHAVIOR ; STEELS ; SIZE
WOS ID: WOS:000084583200031
ISSN: 0921-5093
Subject: 力学
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/17666
Appears in Collections:力学所知识产出(1956-2008)_期刊论文

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Recommended Citation:
Li Q,Xu YB,Lai ZH,et al. Dynamic recrystallization induced by plastic deformation at high strain rate in a Monel alloy[J]. Materials Science and Engineering A-Structural Materials Properties Microstructure and Processing,2000-01-01,276(1-2):250-256.
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