THE DETERMINATION OF THE RESIDUAL STRESS DURING THE FATIGUE CRACK EXTENDSION

金属学报(英文版), 1999, 12(4): 725-727.

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.

Keywords： crack extension , null , null

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.

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

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THE DETERMINATION OF THE RESIDUAL STRESS DURING THE FATIGUE CRACK EXTENDSION

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