In this paper, the effects of the temperature fluctuation and the initial grain size inhomogeneity on the deformation process in a superplastic tensile test have been analysed.
本文分析了由于温度的波动及初始晶粒尺寸差异对超塑性拉伸过程的影响。
Results show that the critical nucleus will be reduced and the initial transformation temperature of ferrite improved with increase of the deformation store energy.
计算表明，变形能的加入可以使临界核胚减小，并且提高铁素体开始转变的温度。
In other words, the temperature gradients result in the non-homogeneous properties and lead to the decrease of the initial slopes together with the ability of resisting the deformation.
温度梯度诱导了冻结中砂的非均质性，减小了模型的起始斜率，大大减低了抗变形能力；
According to the simulation results, we studied the effect of the process parameters, including the deformation temperature, initial strain rate and stroke, on the load, equivalent st...
根据数值模拟结果，研究了不同锻造工艺参数(变形温度、变形速率、压下量等)对叶片锻造过程中的变形力、应力和应变变化的影响规律。
The results show that the initial conditions, temperature field change during thermal forming and phase deformation are the main factors affecting the rebound.
结果表明，板材的初始条件、板材热成形时的温度场变化和相变行为是影响回弹的主要因素；
The results show that the initial conditions, temperature field change during thermal forming and phase deformation are the main factors affecting the rebound.
结果表明，板材的初始条件、板材热成形时的温度场变化和相变行为是影响回弹的主要因素；
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