预测材料低周疲劳寿命的一种新方法  

New Method of Forecasting the Life of Low-cycle Fatigue

作　　者：章走中[1] 林玉霞[1] 刘康林[1] 

机构地区：[1]福州大学化学化工学院,福建福州350108

出　　处：《石油化工设备》2009年第2期15-17,共3页Petro-Chemical Equipment

摘　　要：为寻求更为实用可靠的材料低周疲劳寿命计算方法,根据现有的低周疲劳寿命预测模型,提出采用缺陷能法研究材料的低周疲劳寿命。对各个预测模型的分析比较结果表明,缺陷能法是一种可以比较准确预测材料寿命的新方法。In order to seek more practical reliable computational method of life of low-cycle fatigue,defects energy was suggested to study life of low-cycle fatigue with the current forecast model life of low-cycle fatigue, through the comparison, the superior and inferior each forecast model was analyzed. The results showed that, the method of defects energy was a new research way which could predict life accurately.

关 键 词：材料 低周疲劳 寿命 缺陷能法 

分 类 号：O346.2[理学—固体力学] TB114.1[理学—力学]