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纳米晶材料变形行为的微观力学分析
  • ISSN号：0254-7805
  • 期刊名称：固体力学学报
  • 时间：0
  • 页码：1-7
  • 语言：中文
  • 分类：TQ325.2[化学工程—合成树脂塑料工业] TB383[一般工业技术—材料科学与工程]
  • 作者机构：[1]军事交通学院基础部,天津300161, [2]中国科学院力学研究所非线性力学国家重点实验室,北京100190
  • 相关基金：国家自然科学基金项目（10772178,10721202）资助.
  • 相关项目：低合金钢超高周疲劳若干基本问题的实验研究
作者： 洪友士|兰姣霞|
关键词： 纳米晶材料, 微观力学, 应变能, 纯铜, nanoerystalline materials, mieromeehanics, strain energy, pure copper
中文摘要：

将纳米晶材料视为包括晶粒和晶界的两相复合材料．基于能量平衡概念推导出纳米晶材料的增量本构关系．最后将本文发展的模型用于纯铜的单轴拉伸实验，讨论了晶粒大小、形状和晶粒分布的影响，并将模型预测的结果和已有的实验结果进行比较．

英文摘要：

Nanocrystalline （NC） materials can be treated as composite materials consisting of two phases, i..e. grain domain and grain boundary. In this paper, the incremental stress-strain relation is derived from the view point of energy balance. As a result, the stress-strain relation of different grain sizes is obtained, and also applied to the case of pure copper shape and statistical distribution of grain sizes on predicted by the present model are compared with under uniaxial tension. In addition, the the stress-strain relation are discussed, experimental data. effects of grain and the results

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材料强度及灾变的跨尺度力学研究
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低合金钢超高周疲劳若干基本问题的实验研究
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期刊信息
  • 《固体力学学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学技术协会
  • 主办单位:中国力学学会
  • 主编：方岱宁
  • 地址：武汉华中科技大学南一楼西北508室
  • 邮编：430074
  • 邮箱：amss@mail.hust.edu.cn
  • 电话：027-87543737
  • 国际标准刊号：ISSN：0254-7805
  • 国内统一刊号：ISSN：42-1250/O3
  • 邮发代号:38-44
  • 获奖情况:
  • 获得第二届全国优秀科技期刊三等奖,中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:6186