ER50-6热轧盘条拉拔断裂原因分析

Physical Testing and Chemical Analysis(Part A:Physical Testing)(2013)

Cited 0|Views9
No score
Abstract
规格5.5mm的ER50-6热轧盘条拉拔至2.2mm时出现了断丝现象,断丝部位附近存在较多的表面裂纹。通过金相检验和扫描电镜微区分析等方法对拉拔断裂的原因进行了分析。结果表明:连铸坯皮下卷渣造成盘条表面局部增碳,增碳区珠光体含量较基体明显偏高,塑性、韧性下降,拉拔时沿增碳区发生断裂。
More
Translated text
Key words
local carburetion,slag entrapment defect,hot-rolled wire rod,drawing fracture
AI Read Science
Must-Reading Tree
Example
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined