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Difference and Analysis of Undissolved Phase in Sample of Fatigue Performance Test for Spring Steel 60Si2 CrVAT
Author(s): 
Pages: 4-7
Year: Issue:  3
Journal: PHYSICS EXAMINATION AND TESTING

Keyword:  未溶碳化物弹簧钢疲劳性能;
Abstract: 对两个炉号的60Si2CrVAT弹簧钢用相同工艺热处理后,进行疲劳性能对比试验,结果表明不同炉号钢料疲劳寿命相差很大.组织分析表明,疲劳寿命较低的钢料中,淬火加热前存在颗粒状碳化物,奥氏体化时未溶入奥氏体而残留在淬火组织中,并在局部聚集,导致疲劳寿命降低.
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