Failure analysis of a copper tube for pneumatic system

被引：0
作者：
Araujo L.S. [1 ]
De Almeida L.H. [1 ]
Pereira D.A. [2 ]
机构：
[1] PEMM/COPPE-Federal University of Rio de Janeiro, Rio de Janeiro
[2] MetroRio, Rio de Janeiro
来源：
Araujo, L.S. (lsales@metalmat.ufrj.br) | 1600年 / Springer Science and Business Media, LLC卷 / 13期
关键词：
Copper tube; Failure analysis; Pneumatic system;
D O I：
10.1007/s11668-013-9657-6
中图分类号：
学科分类号：
摘要：
Deoxidized-high-phosphorous (DHP) copper tubes are widely and successfully used in different applications as: water distribution, air-conditioning, solar heating, fuel, oil, and natural gas services and compressed air systems. In the present analysis, a failure of a copper tube composing a pneumatic system of a subway train was investigated by means of on-site examination, metallographic and fracture analyses. Results show that arcs coming from an exposed power cable lead to partial melting of a section of the tube, resulting in loss of pressure and interruption of the train. © 2013 ASM International.
引用
收藏
页码：202 / 206
页数：4
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