CRAKING ANALYSIS OF MULTILAYER WARPING CYLINDER FOR THE REGION WITH WELD DEFECTS

›› 2000, Vol. 36 ›› Issue (4): 109-112.

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CRAKING ANALYSIS OF MULTILAYER WARPING CYLINDER FOR THE REGION WITH WELD DEFECTS

Ren Deliang;Wang Yuncheng;Chen Kai;Yang Jie

Shijiazhuang Railway Institute Hebei University of Science & Technology

Published:2000-04-15

Abstract

Abstract: Circumferential weld of miltilayer warping high pressure vessel had defects out of the allowance on its both sides and uncontinuous structure. Based on the data of deformation and stress analysis of defect area obtained from theory of shell, a comprehensive analysis is carried out and then got a conclusion that fatigue cracking would occur in the weld part of high stress concentration. Therefore, a strict welding technology must be adopted, in order to avoid weld defects.

Key words: Fatigue cracking, Miltilayer warping cylinder, Stress analysis, Weld defects

CLC Number:

TQ052.4

Ren Deliang;Wang Yuncheng;Chen Kai;Yang Jie. CRAKING ANALYSIS OF MULTILAYER WARPING CYLINDER FOR THE REGION WITH WELD DEFECTS[J]. , 2000, 36(4): 109-112.

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CRAKING ANALYSIS OF MULTILAYER WARPING CYLINDER FOR THE REGION WITH WELD DEFECTS

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