...循环硬化； 塑性应变能密度； 疲劳寿命[gap=1766]Key words: A356 alloys; cyclic hardening; plastic strain energy density; fatigue life...
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Equivalent plastic strain energy density 当量塑性应变能密度
The values of plastic strain energy density are affected by the plastic strain amplitude and change with the cycle numbers.
合金的塑性应变能密度受应变幅的影响且具有循环相关性；
An application of the equivalent strain energy density method for calculation of elastic-plastic notch-tip strains under tension loading is presented.
本文介绍了根据应变能密度原理估计拉载作用下缺口底部应力、应变的方法。
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