stress-free initial strain

The tensile impact experimental results show that the initial elastic modulus and unstable strain of PE fibre bundles are temperature and strain-rate dependent, except for the failure stress of PE fibre bundles.

实验结果表明：PE纤维束的初始弹性模量和失稳应变具有一定的温度和应变率相关性，但是破坏应力变化不大。

The pipeline steel with strain-based design is usually characterized by high initial work hardening rate, good ductility, and low yield stress to tensile strength ratio.

抗大变形管线钢就是基于应变设计的方法得到的具有连续屈服、较低的屈强比、较高的加工硬化指数以及均匀塑性变形延伸率等特性的管线钢。

Study on Dentification Ability of Inbred Strain Mice Tooth Germs Implanted into Oral Submucosa and Alveolar Process AIM: To analyze the distribution of initial stress around screw implant.

近交系小鼠牙胚同种异体移植至口腔粘膜下或牙槽骨内成牙能力的研究目的：分析螺旋形种植体植入下颌骨后骨界面初始应力的分布。

Based on the results, some special properties are systematically analyzed: ( 1) the influence of initial consolidation on stress-strain curve;

通过试验成果系统分析可得：（1）初始固结度对应力–应变关系的影响；