Failure analysis in high pressure thermoplastic hose fittings submitted to cold forming by swaging process

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• 作者：F. Moebus^a ; J.M. Pardal^a ; ^b ; C.A. dos Santos^a ; S.S.M. Tavares^a ; ^b ; ^{ssmtavares@terra.com.br} ; P.A. Louzada^a ; C. Barbosa^c ; D.S. dos Santos^d
• 关键词：Thermoplastic hose ; Fitting ; High sulfur steel ; Swaging
• 刊名：Engineering Failure Analysis
• 出版年：2017
• 出版时间：April 2017
• 年：2017
• 卷：74
• 期：Complete
• 页码：150-158
• 全文大小：2224 K
• 卷排序：74

文摘

Low carbon steel fitting failed during swaging process. Microstructure with large inclusions caused failure. Chemical analysis of the failed fitting was out of specification, with high S and low C contents. FEM analysis was used to simulate the swaging process and preview the effect of inclusions.