IMECH-IR  > 力学所知识产出(1956-2008)
具有中间穿透裂纹载流薄板裂纹前缘的应力场
田振国; 郑坚; 白象忠
Source Publication燕山大学学报
2004-11-15
Issue6Pages:493-498
Abstract用复变函数方法研究了带有中间穿透裂纹的载流薄板在瞬间电流通入时,在裂纹尖端处由于电流集中及电磁热效应而形成的点热源的计算方法,进而推导并计算了由此热源在裂纹前缘产生的温度场和应力场。通过控制通入电流密度,可以使裂纹尖端温升达到熔化状态,至使裂尖钝化,由温升产生的压应力可以遏制裂纹的扩展。在文中讨论了裂尖附近材料的热传导系数、线胀系数、弹性模量随温度的变化,及其对应力场的影响。
Keyword载流薄板 裂纹尖端 温度场 应力场 复变函数
Language中文
Funding Organization国家自然科学基金资助项目(No. 50275128)
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/42106
Collection力学所知识产出(1956-2008)
Corresponding Author田振国
Recommended Citation
GB/T 7714
田振国,郑坚,白象忠. 具有中间穿透裂纹载流薄板裂纹前缘的应力场[J]. 燕山大学学报,2004(6):493-498.
APA 田振国,郑坚,&白象忠.(2004).具有中间穿透裂纹载流薄板裂纹前缘的应力场.燕山大学学报(6),493-498.
MLA 田振国,et al."具有中间穿透裂纹载流薄板裂纹前缘的应力场".燕山大学学报 .6(2004):493-498.
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