粉末冶金CuWCp复合材料疲劳裂纹扩展行为研究

来源 :第十四届全国实验力学学术会议 | 被引量 : 0次 | 上传用户:littlev19
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  本文通过自行研制的原位长焦距显微观测系统对比研究了不同颗粒含量(15%和3%)粉末冶金烧结制备的复合材料Cu/WCp 的疲劳裂纹扩展行为。通过显微观测系统记录的疲劳裂纹扩展路径和疲劳裂纹尖端张开位移(CTOD),分析了复合材料不同颗粒含量对裂纹扩展行为的影响机制。
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