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Determination of recrystallization kinetics from plane strain compression tests

机译：通过平面应变压缩试验确定重结晶动力学

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摘要

Although a lot of data are available in the literature on the recrystallization behavior of plain carbon and microalloyed steels, comparisons are often difficult to make due to the effect of different experimental techniques and the type of tests used to obtain these data. Few systematic comparisons can be found in the literature to correlate the different techniques and methods. A previous paper by the present authors concentrates on the analysis of torsion methods. The present study focuses on the recrystallization kinetics determined by using double hit and stress relaxation tests in plane strain compression mode. The specificity of the test and the strain distribution across the section has been incorporated into the analysis, by means of finite element methods. A good correlation has been obtained between the kinetics for stress relaxation and double hit tests. However, some rules should be respected in order to determine the true recrystallization/softening kinetics comparable with those obtained for other deformation modes like torsion.
机译：尽管文献中提供了许多有关普通碳钢和微合金钢再结晶行为的数据，但由于不同的实验技术和用于获得这些数据的测试类型的影响，通常难以进行比较。在文献中几乎没有系统的比较可以将不同的技术和方法联系起来。本作者的前一篇论文集中于扭转方法的分析。本研究的重点是通过在平面应变压缩模式下使用双重冲击和应力松弛测试确定的再结晶动力学。通过有限元方法将测试的特异性和整个截面的应变分布纳入分析。在应力松弛动力学和双击测试之间已获得良好的相关性。但是，应遵循一些规则，以便确定与其他变形模式（如扭转）所获得的可比的真实再结晶/软化动力学。

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