摘要
用内部疲劳极限概念，定量分析了碳氮共渗及渗后喷丸对低碳钢疲劳极限的影响，提出了预测疲劳极限和优化工艺准则。
A new concept of internal fatigue limit is used to analyze the effect of carbonitriding and shot peening after carbonitriding of fatigue limits of steel 20Cr quantitatively and a criterion for optimizing treatment regimes is proposed.
基金
国家自然科学基金
关键词
疲劳极限
碳氮共渗
喷丸
低碳钢
internal fatigue limit,carbonitrding, shot peening
