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首页> 外文期刊>ISIJ international >Influence of Carbide Particles on the Grain Growth of Ferrite in an Fe–0.1C–0.09V Alloy
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Influence of Carbide Particles on the Grain Growth of Ferrite in an Fe–0.1C–0.09V Alloy

机译：碳化物颗粒对Fe–0.1C–0.09V合金中铁素体晶粒生长的影响

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The pinning effects of carbide particles on the grain growth of ferrite were studied in an Fe–0.1C–0.09V alloy. The distribution of real particle sizes in touch with grain boundary was determined coupling the measurement of diameters of the largest section of each particle on multiple sections with computer simulation. This procedure can improve remarkably the accuracy in evaluating the number of particles in the system composed of particles of widely varying sizes. The particle numbers in contact with grain boundary faces, edges and corners were considerably greater than those calculated assuming random distribution. The theory that all particles pin grain boundaries, Nishizawa et al .’s correlation model and a modified Hunderi-Ryum’s model are able to predict the grain size in fair agreement with experiment. A better account for final grain size was given by the mean size of particles in contact with grain boundaries rather than that of all particles probably because the particle size was highly non-uniform due to the formation of cementite and vanadium carbide.
机译：在Fe–0.1C–0.09V合金中研究了碳化物颗粒对铁素体晶粒生长的钉扎效应。确定了与晶粒边界接触的实际粒度的分布，并结合了计算机模拟，将多个部分上每个颗粒的最大部分的直径测量结果结合在一起。此过程可以显着提高评估系统中由大小变化很大的粒子组成的粒子数的准确性。与晶界面，边缘和角接触的粒子数比假定随机分布计算的粒子数大得多。 Nishizawa等人的相关模型和经过改进的Hunderi-Ryum模型可以使所有粒子都固定在晶界上，因此可以与实验公平地预测晶粒尺寸。最终晶粒尺寸的更好解释是与晶粒边界接触的颗粒的平均尺寸，而不是所有颗粒的平均尺寸，这可能是由于渗碳体和碳化钒的形成导致粒径高度不均匀所致。

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