...crack growth rate curve; HTS-A steel; constant amplitude load CLC number: U661.4 Document code: A [gap=22234]关键词 : 疲劳裂纹扩展理论; 疲劳寿命预报统一方法; 裂纹扩展率曲线; HTS-A 钢; 恒幅载荷 中图分类号 : U661.4 作者简介: 王 文献标识码 : A 芳(1979- ),女,博士,中国船舶科学研究中心工程师...
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如果都把一个构件的最终断裂作为疲劳破坏的定义,则S - N曲线和裂纹扩展率曲线均是反映金属在疲劳载荷作用下的基本材料特性。
If the failure is defined as the final fracture of a component, then both S-N curves and crack growth rate curves reflect the fundamental material behavior under fatigue loading.
结合裂纹扩展率单一曲线模型对肘板裂纹扩展寿命进行了预报,预报结果与实验结果符合得较好,说明所采用的方法可行。
The fatigue life for bracket was predicted by way of the unique crack growth rate model incorporating the above SIF functions and the predicted results were in good agreement with the experiment data.
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