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1)  equivalent plastic strain energy
当量塑性应变能
1.
25Cr1Mo steel, the high temperature low cycle fatigue life was evaluated by the criterions of equivalent strain range, equivalent plastic strain energy and equivalent gross energy.
2 5Cr1Mo钢材料圆柱形试件的高温低周疲劳行为的研究 ,用当量应变范围准则、当量塑性应变能准则和当量总应变能准则评价多维应力状态下的高温低周疲劳寿命。
2)  Equivalent plastic strain energy density
当量塑性应变能密度
3)  plastic strain energy
塑性应变能
1.
A method for estimating fatigue damages of bracing members based on plastic strain energy;
基于塑性应变能的钢支撑疲劳损伤评估方法
2.
The variety of the stress-displacement curve area is selected to be the damage variable instead of the plastic strain energy per cycle.
通过316L钢在420℃环境下应力控制的低周疲劳实验,基于连续损伤力学,提出一种新的低周疲劳损伤模型,采用 间接反映循环塑性应变能的应力-位移曲线面积的变化作为损伤变量,实验结果与该模型显示的疲劳损伤演变规律符合较好。
3.
The total plastic strain energy of a stationary crack per cycle was calculated through 2-D elastic plastic finite element analysis under constant amplitude fatigue loading,and the nonlinear relation of total plastic strain energy with stress intensity factor range was obtained.
通过二维弹塑性有限元计算得到I型静态裂纹在常幅疲劳载荷下裂纹尖端塑性应变能,进而获得裂纹尖端塑性应变能和应力强度因子幅值的非线性关系;根据能量平衡概念,建立了裂纹扩展速率与裂纹尖端塑性应变能的关系。
4)  plastic energy
塑性应变能
1.
The mechanism of the multiaxial fatigue damage is analyzed and a new plastic energy-based approach for predicting multiaxial fatigue life is described.
此模型以临界平面上的塑性应变能作为疲劳损伤参量,分析了临界平面的特点并给出了损伤参量的计算过程。
5)  energy equivalent gross strain energy
当量总应变能
6)  equivalent strain energy density
当量应变能密度
补充资料:应变能释放速率
分子式:
CAS号:

性质:在线性弹性断裂力学中,把裂纹增加单位长度所需的能量。以符号G表示。对于张开型裂纹,通常用G1表示,当G1达某一临界值G1C时,材料断裂。

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