基于分形理论和计算机图像处理技术,编制计算材料断口形貌计盒分形维数的MATLAB程序。
The frequent fracture accidents of bolts, which connected hydrogen compressor crankshaft box with middle body, have caused enormous danger to normal production and safety.氢气压缩机机组曲轴箱体与中体联接螺栓的频繁断裂,给企业生产、安全造成极大危害。
The present paper explores new and more profound approaches, namely microscopic and nanoscopic fracture mechanics, to unlock the black box of fracture process zones.本文探索打开断裂过程区的黑匣子之更深层次的研究——即细观断裂力学与纳观断裂力学。