本文还对裂纹扩展途径与断口形貌之间的关系进行了分析,对进一步研究低温用钢的疲劳特性和低温下工程结构的失效分析具有重要意义。
We also analyse the relationship between crack growth track and fractography. Thereforde, it is significant for studying the fatigue property of the steel used and its fatigue analy…
选择航天器和低温工程中常用金属材料铜、不锈钢,用激光光热法原理,研究低温接触界面层热阻。
The thermal contact resistance between copper and stainless steel was investigated at 300 K and 20 K using the photothermal method.
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