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李长春1, 赵慧霞1, 李光霞1, 郑旻仲2
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Li Changchun1, Zhao Huixia1, Li Guangxia1, Zheng Minzhong2
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关键词: 小裂纹, J积分, 裂纹扩展率
Abstract: Fatigue tests were carried out for single-edg notch specimens in order to study small crack propagation behaviour. Using the approximate formulae proposed by Haddad for computing J-integral, the experimental results are studied and a formula for predicting small crack growth rate expressed by the effective J-integral range ΔJeff is proposed.
Key words: small crack, J-integral, crack growth rate
李长春;赵慧霞;李光霞;郑旻仲. 缺口边疲劳小裂纹扩展特性研究[J]. 航空学报, 1991, 12(2): 115-119.
Li Changchun;Zhao Huixia;Li Guangxia;Zheng Minzhong. A STUDY ON SHORT FATIGUE CRACK GROWTH AT THE EDGE OF A NOTCH[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1991, 12(2): 115-119.
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https://hkxb.buaa.edu.cn/CN/Y1991/V12/I2/115