屈服强度对 COD 降低系数m的影响

Effect of Yield Strength on COD Reducing Coefficient m

通过试验，有限元法计算，探讨了材料的屈服强度对断裂韧性值Ｊｉ，δｉ以及ＣＯＤ降低系数ｍ的影响．结果表明，随着屈服强度的增加，断裂韧性值Ｊｉ，δｉ降低，ＣＯＤ降低系数ｍ随之降低．

By experiments and finite element methods, the effect of yield strength σ y on J i,δ i and COD reducing coefficient m is studied. The results show that J i, δ i and m decrease with the increasing of σ y .