核级碳钢小径薄壁管冷弯拉伸试验不合格原因分析与质量控制措施  

Failure Analysis and Quality Control Measures for the Cold Bending Tensile Test of Thin Wallpipe of Nuclear Grade Carbon Steel

作　　者：贺振宇[1] 张强升[1] 张发云[1] 熊冬庆[1] 邓冬[1] HE Zhenyu;ZHANG Qiangsheng;ZHANG Fayun;XIONG Dongqing;DENG Dong(Nuclear and Radiation Safety Center,MEP,Beijing 100082,China)

机构地区：[1]环境保护部核与辐射安全中心,北京100082

出　　处：《核安全》2018年第1期83-86,共4页Nuclear Safety

摘　　要：小径薄壁管冷弯后拉伸试验不合格。通过对该试验数据的原因分析,包括原材料、冷弯工艺、试样厚度和形状、测量方法及试样加工工艺等方面,最终确定拉伸试验数据不合格的原因,并对弯管进行重新拉伸试验,进一步采取质量控制措施,保证了拉伸试验达到合格标准要求。Thetension test resultof thin-walled tube after cold bendingis unqualified.Through the analysis of causes of tension test resultdata,includingraw material,cold bending,thickness and shape,measuring method and processing technical of test sample,confirm the reasonwhichthe tension test resultdata isunqualified.and re-tension test tothecold bending,adopt quality control measurefurther,ensured the tension test toachieve the requirementof standard.

关 键 词：小径试验 原因分析 质量控制措施 

分 类 号：TG407[金属学及工艺—焊接]