Development of a micron-scale plasticity theory and its engineering application
微米级塑性理论的发展及其工程应用
基本信息
- 批准号:21560076
- 负责人:
- 金额:$ 2.91万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2009
- 资助国家:日本
- 起止时间:2009 至 2011
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Mechanical behavior of metals at the micron scale were systematically investigated, and a physically-based gradient crystal plasticity theory has been formulated. In the experimental part of the study, microbend tests with reversal of bending direction were carried out on aluminium and copper single-crystal foils. The results strongly suggested that internal stresses, which act as back-stresses, existed in the bent foil specimens due to a non-uniform array of the geometrically necessary dislocations (GNDs). In the theoretical part, the effect of the GNDs was incorporated into a framework of gradient crystal plasticity theory.
系统地研究了金属在微米尺度下的力学行为,建立了基于物理的梯度晶体塑性理论。在实验部分的研究,与弯曲方向反转的微弯曲试验进行了铝和铜单晶箔。结果强烈表明,由于几何必要位错(GND)的不均匀排列,弯曲箔试样中存在作为背应力的内应力。在理论分析部分,将GNDs的影响纳入梯度晶体塑性理论框架。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Yielding and strain hardening in aluminium single-crystal foils subjected to tension and bending
铝单晶箔在拉伸和弯曲作用下的屈服和应变硬化
- DOI:10.1080/09500839.2012.691214
- 发表时间:2012
- 期刊:
- 影响因子:1.2
- 作者:M. Sato;Y. Matsuki;I. Hayashi;M. Kuroda
- 通讯作者:M. Kuroda
On large-strain finite element solutions of higher-order gradient crystal plasticity
高阶梯度晶体塑性的大应变有限元解
- DOI:10.1016/j.ijsolstr.2011.08.008
- 发表时间:2011
- 期刊:
- 影响因子:3.6
- 作者:M. Sato;Y. Matsuki;I. Hayashi;M. Kuroda;M. Kuroda
- 通讯作者:M. Kuroda
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KURODA Mitsutoshi其他文献
KURODA Mitsutoshi的其他文献
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{{ truncateString('KURODA Mitsutoshi', 18)}}的其他基金
Unified modeling of size effects in mechanical properties of metals
金属机械性能尺寸效应的统一建模
- 批准号:
25289001 - 财政年份:2013
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Systematization of the theory of plasticity at the micron scale
微米尺度塑性理论的系统化
- 批准号:
19560072 - 财政年份:2007
- 资助金额:
$ 2.91万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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