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Progress in research of abnormal grain growth and critical deformation in superalloys
Author(s): 
Pages: 38-45,67
Year: Issue:  4
Journal: World Iron & Steel

Keyword:  晶粒异常长大 第二相粒子 临界变形粗晶 初始晶粒度分布;
Abstract: 针对目前急需解决的高温合金晶粒度控制问题,研究了临界变形量与晶粒度遗传性的理论基础。为建立晶粒度预测模型,基于晶粒异常长大的影响因素,重点探讨了合金经历小变形后的临界变形粗晶理论及异常长大模型研究进展。最后介绍了研究晶粒异常长大的数值模拟方法,并深入探讨这些研究方法的理论原理及可行性。
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