Observation and modeling of dynamic recrystallization in high-strain, high-strain rate deformation of metals
文献类型:期刊论文
作者 | M. A. Meyers ; V. F. Nesterenko ; J. C. LaSalvia ; Y. B. Xu ; Q. Xue |
刊名 | Journal De Physique Iv
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出版日期 | 2000 |
卷号 | 10期号:P9页码:51-56 |
关键词 | shear-band formation tantalum titanium |
ISSN号 | 1155-4339 |
中文摘要 | The microstructural evolution inside shear bands was investigated experimentally and analytically. A fine recrystallized structure (grains with 0.05-0.3 mu m) is observed in Ti, Cu, 304 stainless steel, Al-Li, and Ta, and it is becoming clear that a recrystallization mechanism is operating. The fast deformation and short cooling times inhibit grain-boundary migration; it is shown that the time is not sufficient for migrational recrystallization. A rotational mechanism is proposed and presented in terms of dislocation energetics. This mechanism necessitates the stages of high dislocation generation and their organization into elongated cells. Upon continued deformation. the cells become sub-grains with significant misorientations. These elongated sub-grains break up into equiaxed grains with size of approximately 0.05-0.3 mu m. It is shown that grain-boundary reorientation can operate within the time of the deformation process. |
原文出处 | |
公开日期 | 2012-04-14 |
源URL | [http://ir.imr.ac.cn/handle/321006/37137] ![]() |
专题 | 金属研究所_中国科学院金属研究所 |
推荐引用方式 GB/T 7714 | M. A. Meyers,V. F. Nesterenko,J. C. LaSalvia,et al. Observation and modeling of dynamic recrystallization in high-strain, high-strain rate deformation of metals[J]. Journal De Physique Iv,2000,10(P9):51-56. |
APA | M. A. Meyers,V. F. Nesterenko,J. C. LaSalvia,Y. B. Xu,&Q. Xue.(2000).Observation and modeling of dynamic recrystallization in high-strain, high-strain rate deformation of metals.Journal De Physique Iv,10(P9),51-56. |
MLA | M. A. Meyers,et al."Observation and modeling of dynamic recrystallization in high-strain, high-strain rate deformation of metals".Journal De Physique Iv 10.P9(2000):51-56. |
入库方式: OAI收割
来源:金属研究所
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