关小军,禹宝军,王丽君,周兰聚,付杰

• 1:山东大学材料液固结构演变与加工教育部重点实验室
• 2:江苏沙钢集团有限公司
• 3:济南钢铁集团有限公司技术中心

摘要(Abstract)：

为了探讨钢的动态再结晶行为的虚拟实验可行性,基于CA方法、相关理论和热模拟实验,创建了一个二维动态再结晶模型,据此完成了不同热压缩变形条件下HPS485wf钢的动态再结晶过程仿真,并且结合热模拟实验结果和动态再结晶理论进行了分析。结果表明,该钢的动态再结晶演变规律不仅与实验结果和动态再结晶经典理论相同,而且展现了多轮次动态再结晶共存现象和单峰型应力-应变曲线的特征;所建模型的微观组织演变、再结晶面积分数曲线、平均晶粒尺寸曲线和应力-应变曲线的模拟精度较高。

关键词(KeyWords)： HPS485wf钢;动态再结晶;元胞自动机;微观组织演变

Abstract:

Keywords:

基金项目(Foundation): 高等学校博士学科点专项科研基金(200804220021)

作者(Author): 关小军,禹宝军,王丽君,周兰聚,付杰

DOI: 10.13289/j.issn.1009-6264.2014.06.040

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