金属学报  1983, Vol. 19 Issue (5): 86-91

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铝合金DCB试样的残余应力强度因子

钱友荣;陈再良

北京航空学院;北京航空学院

FORMULATION OF RESIDUAL STRESS INTENSITY FACTOR IN DCB SPECIMEN OF Al ALLOY

QIAN Yourong; CHEN Zailiang (Beijing Institute of Aeronautics and Astronautics)

钱友荣;陈再良. 铝合金DCB试样的残余应力强度因子[J]. 金属学报, 1983, 19(5): 86-91.
, . FORMULATION OF RESIDUAL STRESS INTENSITY FACTOR IN DCB SPECIMEN OF Al ALLOY[J]. Acta Metall Sin, 1983, 19(5): 86-91.

摘要 参考文献 相关文章 Metrics 全文: PDF(632 KB)   摘要: 本文提出了一种计算DCB试样残余应力强度因子K_(IR)的公式,并取得了部分实验验证。利用剖切后半试样弯曲曲率的试验结果,确定了热处理制度对LC4合金K_(IR)值的影响。 Abstract：The verified formulation for determining the residual stress intensity factor (SIF) in the DCB specimen was deduced as below:K_(IR)=Eφh h~(1/2)/2 3~(1/2)which can be easily got by measuring the curvature φ of the half-specimen and does not vary with the crack propagation. It was found that the value K_(IR) for LC4 Al alloy is markedly influenced by the aging temperature, e.g., below 120℃, its K_(IR)>K_(ISCC), the residual SIF can not be effectively dissipated, and its K_(IR) may be much lowered only by an additional fractional aging up to 160℃. The influence of the heat treatment upon the value K_(IR) of LC4 Al alloy has been described. 收稿日期: 1983-05-18      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 钱友荣 陈再良 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y1983/V19/I5/86 1 Hyatt, M. V., Corrosion, 26 (1970) , 547． 2 Johnson, L. G., Ind. Math., 5 (1955) , 7． 3 Mostovoy, S.; Crosley, P. B.; Ripling, E. J., J. Mater., 2 (1967) , 661． 4 未发表材料.{ No related articles found! Viewed Full text Abstract Cited   Shared      Discussed