1) cold expansion
冷胀
1.
Aimed at the effect of cold expansion on the initiation and propagation of fatigue crack of alloy 6005,the fatigue life improvement of the damaged structures after the cold expansion process was investigated with the single edge pre-cracked specimens.
针对冷胀对6005铝合金疲劳裂纹产生和扩展的影响,用单边预切口试样研究了含缺陷结构冷胀后的疲劳寿命,分析了不同情况下新裂纹产生的循环数;并用ANSYS软件进行了数值模拟,确定冷胀产生的残余应力场和塑性区及在不同参数下冷胀度对其的影响。
2) Strangthening by Cold Expanding
冷胀强化
3) cold expanded hole
冷胀孔
1.
With the application of combined hardenning model, a program of elastic plastic finite element analysis is edited, and applied to the analysis of cold expanded hole problem.
提出了一种基于试验的组合强化模型 ,编制了应用试验组合强化模型的弹塑性有限元程序 ,并对冷胀孔边的残余应力分布进行了计算。
2.
Presents a method that can be conveniently used to calculate the stress intensity factor for the edge crack of a cold expanded hole.
对于残余应力场已知的冷胀孔，用本文方法求孔单边穿透裂纹的应力强度因子是简单和准确的。
3.
Tangential residual stress distribution around cold expanded hole is determined by combining theoretical calculation with experiment results.
本文用含孔边穿透裂纹的冷胀孔、未胀孔剩余寿命之比来评价孔冷胀强化工艺延长裂纹扩展寿命的效果。
4) cold expanded saturation degree
冷胀饱和度
1.
According to the greatest critical value principle for cold expanded strengthening, this paper puts forward a concept of cold expanded saturation degree.
根据冷胀强化最大临界值理论，提出了冷胀饱和度概念。
补充资料：长春冷弯型钢总厂生产的异形冷弯型钢
长春冷弯型钢总厂生产的异形冷弯型钢
长春冷弯型钢总厂生产的异形冷弯型钢
说明：补充资料仅用于学习参考，请勿用于其它任何用途。