1) cyclic plastic strain energy
循环塑性应变能
1.
According to main factors of affecting low cycle fatigue(LCF) life for gas turbine blade of single crystal nickel-based superalloy,the formula and computing method of cyclic plastic strain energy were studied and discussed.
通过分析影响单晶叶片低周疲劳寿命的主要因素,对循环塑性应变能的计算方法进行了研讨,认为构成塑性应变能的主要因素应包括循环等效应力范围、全应变范围、晶向参数和平均应力等影响参量,它们与塑性应变能之间呈幂函数关系。
2.
It is a long time since the cyclic plastic strain energy was used as fatigue variability to study fatigue failure,but it is still lack of mathematical expression about cyclic plastic strain energy evolutional rule.
循环塑性应变能作为疲劳损伤参量用于疲劳过程研究已经多年，但其演化规律的数学描述至今尚不完善本文在分析循环塑性应变能循环相关特点的基础上，建立了它的损伤演化方程，并利用实验结果对该二元非线性方程进行了拟合
3.
In this paper, the cyclic plastic strain energy is acted as damage variable and its mathematical model of transient response is established.
选择循环塑性应变能作为损伤变量，建立了它的瞬态响应数字模型，采用损伤力学分析方法，导出了计及循环相关的非线性疲劳损伤函数，得到了用于低周疲劳寿命预测的数学公式· 利用该损伤函数预测的低周疲劳寿命与试验结果符合较
2) coupled plasticity and creep
循环塑性蠕变
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) cyclic plasticity
循环塑性
1.
Comparing this model with the Bodner-partom's model,it has been found that the new model is more reasonable indescribing the experimental phenomena of instantaneous plasticity, cyclic plasticity and creep deformation(in-cluding stress relaxation and creep recovery)of engineering materials.
重点考察了该模型对工程材料三种基本变形过程的描述能力：（１）瞬时塑性。
2.
Fatigue crack growth threshold is predicted based on material s cyclic plasticity.
基于材料的循环塑性预测了疲劳裂纹扩展的门槛值。
6) cyclic plastic
循环塑性
1.
The cyclic plastic hardening behavior of materials is taken into account.
提出了一种考虑材料循环塑性性能的研究疲劳裂纹扩展与闭合行为的有限元模拟方法。
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。
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。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条