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利用理化检测手段对C45Eφ140开裂坯进行分析。结果表明:造成C45Eφ140开裂的原因是坯料心部C,Mn等元素含量过高,加之有心部晶间裂纹存在。
The physical and chemical tests were used to analyze the C45Eφ140 blank. The results show that the reason of cracking of C45Eφ140 is that the content of C, Mn and other elements in the blank core is too high, and there are cracks in the intergranular core.