The freshest surfacefracture zone which has been discovered recently in the west mountain of Cixian County is introduced in this paper.
本文介绍了磁县西部山区新近发现的最新地表破裂带。
2
The microstructure, surfacefracture morphology, hardness and tensile strength of the failed 45 steel connecting bolt were analyzed and tested.
对45钢连接螺栓断裂件的显微组织、断口形貌、硬度和抗拉强度进行了观察分析和测试。
3
One is called the S-N curve of surfacefracture mode. It is governed by a crystal slip on the specimen surface, which occurs in the region of short fatigue life and high stress amplitude level.