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1)  fully relaxed of elastic stress approximation
完全弛豫弹性应力近似
2)  relaxation approximation
弛豫近似
3)  elastic relaxation
弹性弛豫
1.
The effect of elastic relaxation on the elastic microstrain in the vicinity of interface in whisker reinforced metallic composite due to the stress free surfaces of TEM sample was investigated by means of finite element method.
用有限元数值计算的方法研究了晶须增强金属复合材料电镜样品中,自由表面引起的弹性弛豫对材料中界面附近弹性应变的影响,利用电子衍射动力学理论模拟了这种弹性应变引起的会聚束电子衍射图中衍射线的宽化与分裂情况,计算结果与实验相符。
4)  stress relaxation
应力弛豫
1.
Stress-strain behavior of butadiene rubber/organomontmorillonite nanocomposites Ⅱ.Stress softening effect and stress relaxation;
顺丁橡胶/有机蒙脱土纳米复合材料的拉伸应力-应变行为 Ⅱ.应力软化效应及应力弛豫
2.
The stress relaxation behavior of(EPDM) vulcanizate was also researched.
考察了过氧化二异丙苯(DCP)用量和MAA用量对EPDM硫化性能和物理机械性能的影响,研究了硫化胶的应力弛豫行为。
3.
Furthermore, the stress-strain curves and stress relaxation behavior of EPDM vulcanizates was also studied.
此外,还对EPDM的应力-应变曲线和应力弛豫行为进行了研究。
5)  strain relaxation
应力弛豫
1.
The effect of radiation induced strain relaxation on electric performance of Al_mGa_(1-m) N/GaN HEMT;
辐射感生应力弛豫对Al_mGa_(1-m)N/GaN HEMT电学特性的影响
2.
The study of the strain relaxation in ultrathin CMR films is important to the understanding of CMR materials and their applications.
锰氧化物庞磁电阻材料超薄膜的应力弛豫特性的研究对理解这一强关联体系的特性及应用都具有重要的意义。
6)  approximate momentum relaxation rate
动量弛豫率近似
1.
A method of approximate momentum relaxation rate to get the angle of scattering are considered in the simulation to reduce the scattering number.
在模拟中,采用动量弛豫率近似的方法确定散射角,显著压缩散射次数,并用高效的新查表法确定自由飞行时间,相对于阶梯值的自散射方法,完全消除了自散射,大量节省cpu时间。
补充资料:应力弛豫曲线
分子式:
CAS号:

性质:使黏弹性材料在初始时发生一定常应变并予以保持,在这种情况下应力随时间衰减的曲线。若材料的黏弹性符合线性黏弹性模型,则应力弛豫曲线可用麦克斯韦模型描述:σ(t)=σ·exp(-t/τ)。式中σ0为初始应力,τ为弛豫时间。但高分子材料的实际应力弛豫要复杂得多,在无限长的时间内应力并不弛豫到零,而是达到某一平衡值。应力弛豫实验是研究高分子黏弹性形为的一个重要手段。应力弛豫像蠕变一样对温度有依赖性,并且符合时温等效原理。

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