关于多轴疲劳介绍,入门用 Anewmultiaxialfatiguedamagemodelnamedcharacteristicplaneapproachisproposed inthispaper,inwhichthestraincomponentsareusedtocorrelatewiththefatiguedam- age.Thecharacteristicplaneisdefinedasamaterialplaneonwhichthecomplexthree- dimensional(3D)fat