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介绍了声发射技术原理以及声发射信号的特点;研究了16MnR_0Cr18Ni9复合钢板在承受拉伸载荷时的损伤与断裂行为,给出了损伤类型和阶段的声发射特性。
The principle of acoustic emission and the characteristics of acoustic emission signal were introduced. The damage and fracture behavior of 16MnR_0Cr18Ni9 composite steel under tensile load were studied. The types and phases of acoustic emission were also given.