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通过ＧＨ４０３３合金钎焊接头界面断裂力学试验，研究了钎焊接头界面断裂行为，获得了钎焊接头界面裂纹的临界应变能释放率，分析了影响界面断裂特征的因素，为钎焊接头界面断裂性能评定提供了参考依据。
Through the interface fracture mechanics test of GH4033 alloy brazing joint, the fracture behavior of the brazing joint was studied, and the critical strain energy release rate of the brazing joint interface crack was obtained. The factors influencing the fracture characteristics of the interface were analyzed. Evaluation provides a reference.