塑性变形对高强钢氢损伤行为影响分析

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1、哈尔滨工业大学工程硕士学位论文noeffectofhydrogenpressurewascalculated.Theideathatlettheoutertensilestressinsteadofhydrogenpressureatthecracktipandthecalculationofstressintensityfactorwasproposed.Itwasverifiedthattheideawasfeasible,asthestressintensityfactorwasproportiona

2、ltotheappliedtensilestressandhydrogenpressure,andtheproportionalcoefficientwasfixedinthesameconditionsofcracksize.Keywords:plasticdeformation,30CrMnSiNi2Asteel,hydrogenconcentration,hydrogeninducedcracking-III-万方数据哈尔滨工业大学工程硕士学位论文目录摘要.......................

3、.....................................................................................................IABSTRACT.................................................................................................................II第1章绪论..........................

4、.....................................................................................11.1研究意义及背景.............................................................................................11.2组织对氢渗透及损伤的影响...................................................

5、.......................21.3缺陷形态对氢渗透影响................................................................................31.4应力对氢渗透行为的影响..............................................................................41.5塑性变形对氢渗透行为的影响.............................

6、........................................41.6氢扩散及损伤行为的测定方法.....................................................................51.7应力强度因子的修正......................................................................................61.8本课题主要研究内容..................

7、..................................................................6第2章塑性变形促进氢损伤行为的试验研究......................................................72.1氢损伤原理.....................................................................................................72.1.1

8、钢铁材料中氢损伤行为分类..................................................................72.1.2钢中氢损伤行为原理...............................................................................72.1.3塑性变形促进氢损伤原理...................