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요약정보
某油管断裂原因 / Fracture causes of a tubing
Resource Type
Academic Journal
Authors
张金伟
;
王克栋
;
黄清生
;
杨栋
;
ZHANG Jinwei
;
WANG Kedong
;
HUANG Qingsheng
;
YANG Dong
Source
理化检验(物理分册) / Physical Testing and Chemical Analysis Part A:Physical Testing
. 58(5):40-43
Subject
油管
断裂
硫化氢
应力腐蚀开裂
夹杂物
Language
Chinese
ISSN
1001-4012
Online Access
Find it @ DONGA
초록
某油管自墩粗端,距管端头螺纹约211 mm处发生断裂.通过宏观观察、化学成分分析、断口分析、金相检验等方法对油管断裂原因进行了分析.结果表明:操作环境中存在H2 S和CO2,油管显微组织中存在非金属夹杂物,油管上由工具和卡具造成的机械损伤产生局部硬化和应力集中,使油管在湿H2 S环境下产生了应力腐蚀开裂.
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