10B08A冷镦钢螺栓头部坚固性试验试样开裂原因分析  

Causes of Sample Cracking in the Firmness Test of Bolt Head of 10B08A Cold-Heading Steel

作　　者：姜婷[1] 于同仁[1] 张峰[1] 

机构地区：[1]马鞍山钢铁股份有限公司

出　　处：《安徽冶金》2012年第4期51-54,共4页Anhui Metallurgy

摘　　要：针对10B08A冷镦钢螺栓进行头部坚固性试验时,发生头部开裂的质量异议问题,进行了各种检测,分析了其原因。裂纹的产生并非材料本身的原因,系冷镦加工工艺不当所导致。Reasons for cracking in the bolt heads of 10B08A cold-heading steel were analyzed through various tests. It was found that cold heading processing rather than material quality is to blame for the cracking.

关 键 词：冷镦头部坚固性试验开裂 

分 类 号：TU756.44[建筑科学—建筑技术科学]