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为了保证焊接结构在交变载荷作用下安全运行,研究分析焊接结构的疲劳裂纹扩展规律,从而估算和延长焊接结构的使用寿命,是提高和发展焊接结构设计制造水平的重要途径、关于疲劳裂纹在均质的钢材和有色金属中的
In order to ensure the safe operation of welded structure under the action of alternating load, it is an important way to improve and develop the design and manufacturing level of welded structure to study and analyze the fatigue crack propagation law of welded structure to estimate and extend the service life of welded structure. Homogeneous in steel and non-ferrous metals