应用金相、扫描电镜、能谱分析等手段,分析了柴油机连杆断裂原因.认为连杆的断裂是由于材料中存在的显微孔洞和夹杂物导致产生锻造......

用20倍显微物镜将波长为775nm的飞秒激光聚焦在光敏玻璃（FOTURAN）内部，通过纵向写制模式由表面以下500μm曝光至表面，并结合热处理和在......

The growth and coalescence of two microholes in copper foil were studied experimentally by in situ tensile tests under a......