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CHARACTERISTIC OF CRACK PROPAGATION OF GH33A ALLOY UNDER CREEP-FATIGUE INTERACTION |
ZHAO Jianming(Qishuyan Locomotive and Rolling Stock Technology Research Institute)LIU Yan;TAO Youqing(Southwestern Jiaotong University) |
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Cite this article:
ZHAO Jianming(Qishuyan Locomotive and Rolling Stock Technology Research Institute)LIU Yan;TAO Youqing(Southwestern Jiaotong University). CHARACTERISTIC OF CRACK PROPAGATION OF GH33A ALLOY UNDER CREEP-FATIGUE INTERACTION. Chin J Mater Res, 1990, 4(1): 20-25.
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Abstract Based on the tests of tensile-holding under creep and fatigue complex load-ing,the results show that the creep-fatigue interaction takes place.Tensile-hiding acceler-ates the rate of crack propagation(da/dN)and reduces the fatigue life(N_f)greatly.GH33Aal
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Received: 25 February 1990
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1 Saxena A. Eng Fract Mech,1976;13(3) :741 2 曹名洲.材料科学进展,北京:科学出版社,1986:274 3 谢锡善等.北京钢铁学院学报,1987;9(1) :35 |
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