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闭孔金属泡沫中应力波的传播特性分析
  • ISSN号：1000-1093
  • 期刊名称：《兵工学报》
  • 时间：0
  • 分类：TB383.4[一般工业技术—材料科学与工程]
  • 作者机构：[1]西安交通大学强度与振动教育部重点实验室, [2]西安交通大学航天航空学院
  • 相关基金：国家重大基础研究计划项目(2006CB601202);国家“111计划”引智计划项目(B06024);国家自然科学基金项目(10632060,10825210);国家高技术研究发展计划项目(2006AA03Z519)
作者： 李斌潮[1], 赵桂平[2], 卢天健[1]
关键词： 闭孔金属泡沫, 应力波, 塑性变形, 传播
中文摘要：

为了研究泡沫材料在动态冲击载荷下的变形及内部应力变化情况,通过一维的泡沫材料冲击模型对闭孔金属泡沫材料中应力波尤其是胞元结构塑性坍塌的传播过程及其影响因素进行分析。结果表明:泡沫材料密度以及冲击速度是导致塑性波前应力提高、产生惯性效应的主要因素;同时塑性波的传播速度与冲击速度成正比,与泡沫材料的密实应变成反比;且冲击能量越低,塑性波前在泡沫中推进就越慢,吸收这些能量所需的泡沫材料也越少。

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期刊信息
  • 《兵工学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学技术协会
  • 主办单位:中国兵工学会
  • 主编：许毅达
  • 地址：北京2431信箱
  • 邮编：100089
  • 邮箱：acta@cn-bgxh.cn
  • 电话：010-68962718 68963060
  • 国际标准刊号：ISSN：1000-1093
  • 国内统一刊号：ISSN：11-2176/TJ
  • 邮发代号:82-144
  • 获奖情况:
  • 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,美国工程索引,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:15352