60Si2Mn钢弹簧垫圈早期断裂原因分析  

Fracture Analysis of 60Si2Mn Springwasher in Early Stage

作　　者：费有静[1] 朱刚 张学彬[1] 周大伟[3] 徐金富[1] 

机构地区：[1]宁波工程学院材料工艺研究所 [2]昆山祥华金属制品有限公司,江苏昆山215300 [3]中煤北京煤矿机械有限公司,北京102400

出　　处：《热处理技术与装备》2006年第5期59-61,共3页Heat Treatment Technology and Equipment

摘　　要：分析了60Si2Mn钢弹簧垫圈热处理后在规定100 kN压力试验时产生开裂的原因。结果表明:原材料内部夹杂物超标是导致产品在绕弯成形时产生初生裂纹,并在热处理后于规定100kN压力试验时产生开裂的主要原因,热处理过程中产生的表层脱碳降低了产品产生开裂的允许压力。在此基础上提出了相应的改进措施。When the 60Si2Mn springwasher was put to test under 100 kN force after heat treating,it fractured, the reason was analysed o The results indicate that superstandard inclusion of material,which leads to primary microcrack at moveing round confectioning, is the principal reason of the crack under 100KN force, superficial decarbonization at heat-treating decreases the admission compression force of crack. On the base of it,we suggest some measures to improve it.

关 键 词：60SI2MN钢 弹簧垫圈 夹杂物 表层脱碳 

分 类 号：TG115.2[金属学及工艺—物理冶金]