论文部分内容阅读
鄂钢生产的45#圆钢经用户锻打后表面出现裂纹,通过金相检验和低倍检验等方法对裂纹产生原因进行分析,根据裂纹的不同形貌,初步判明了裂纹产生的原因。
Cracks occurred on the surface of 45 # round steel produced by E-steel after being forged by users. The causes of cracks were analyzed by means of metallographic examination and low magnification test. According to the different appearances of cracks, the causes of cracks were initially determined.