strain history

The effects of temperature and strain-rate history on the constitutive relations of Fe-base shape memory alloy under tension have been studied at temperature range from 20 ℃ to 500 ℃ and strain-rate range from 0.002?

在20～500℃和0.00208～193s-1的范围内研究了温度和应变率历史对拉伸载荷下铁基记忆合金本构关系的影响。

Experimental Study for the Effect of Strain Rate History on the Mechanical Behaviors of Shape Memory Alloy under Tension with High Strain Rates

应变率历史对记忆合金在高应变率拉伸下力学行为影响的实验研究

In the process of deep-drawn strain test for CR 304 stainless steel plates, the strain distribution law in each area of the deep-drawn parts, the martensitic transformation analysis, wall thickness and history of hardness change are carefully studied through using martensitic transformation analysis method.

应用马氏体转变分析方法，对304不锈钢冷轧板拉深应变试验过程中拉深件各个区域的应变分布规律、马氏体转变分析、壁厚、硬度变化历史进行了研究；

With plastic strain increasing or changing, the temperature history remarkably evolved the microstructure of fcc metals; ( 3) dynamic strain aging occured in proper temperature and strain rate region.

随塑性应变的增加或变化，温度历史会显著引起fcc金属内部微观结构演化；

The experimental results show that the material has significant rate sensitivity and dynamic strain ageing from 400 ℃ to 550 ℃, and the inelastic cyclic deformation behavior is obviously dependent on temperature, temperature history and strain amplitude history during loading.

在400℃至550℃范围内，材料循环加载时出现动力应变时效；该材料的循环变形行为对温度有明显的依赖性，且具有温度历史依赖性，以及应变幅值历史效应。