摘要
通过对存在表面裂纹的Q235D圆钢试样进行金相观察检验、分析,找出其裂纹缺陷的形成机理和来源,并提出改进措施。
Formation mechanisms and origins of cracking defects were found out via metallographical observations,examinations and analyses of Q235D round steel samples with surface cracks.Betterment measures are advanced in this paper.
出处
《莱钢科技》
2009年第6期66-67,共2页
Laigang Science & Technology
