球印硬度试验
In order to improve compression strength after impacting ( CAI) and evaluate damage resistance, a quasi-static indentation ( QSI) test was conducted. The energy is full.
为了提高冲击后压缩强度(CAI)和考察损伤阻抗,测试了平均分层起始能量eⅡc以及接触力凹坑深度关系。
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