316LN不锈钢锻造开裂锻件组织与断口分析
Forging & Stamping Technology(2011)
Abstract
针对核电主管道用钢316IN在锻造过程中开裂的现象,借助于金相显微镜(OA)、扫描电镜(SEM)以及能谱仪(EDS)对开裂锻件常温组织以及拉伸断口进行分析.结果表明:脆性氧化铝的大量存在加大了316LN在锻造过程中开裂的倾向.
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Key words
nonmetallic inclusion,316LN,crack initiation,fracture morphology,forging
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