Effect of experimental parameters on small fatigue crack growth threshold test in 9310 steel was investigated.
针对9310钢研究了试验参数对疲劳小裂纹门槛值测试结果的影响。
A small sample method for testing fatigue crack growth rate curve of steel was presented in this paper using a formula of two-dimensional one-side tolerance factor.
应用二维单侧容限系数公式，提出了一种测定金属材料疲劳裂纹扩展速率的小样本方法。
When the crack is small, the fatigue crack growth is obviously influenced by microstructure features and multiple phase boundaries.
在裂纹较小阶段，疲劳小裂纹的扩展受显微组织与多相界的影响。
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