材料期刊网

THE DETERMINATION OF THE RESIDUAL STRESS DURING THE FATIGUE CRACK EXTENDSION

X.G.Guo1) , H.R.Yang1)and T.Wu2) 1) Shenyang University , Shenyang 110044 , China. 2) Liaoning Jin sheng Construction Company , Shenyang 110044 , China.

金属学报(英文版)

The distribution law of the lateral residualstress at the welding seam is determinated by meansofcuttingthespecimen. Becausetocutthespecimencansimulateapproximatelytheex tension ofthe fatiguecrack,through measuring thestressreleased and calculating the distri bution oftheresidualstressthelaw isfound thattherateofthefatiguecrackextensionisaf fected bytheresidualstress.

关键词: crack extension , null , null