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拉拔碳、硫偏析的高碳钢盘条所产生的芯部V型裂纹往往是由于网状碳化物引起的,硫的富集能削弱界面结合力,促使晶界脆裂。
Drawing carbon and sulfur segregation of high carbon steel wire rod core V-shaped cracks are often caused by the mesh carbide, sulfur enrichment can weaken the interface binding force, prompting the grain boundary embrittlement.