方旭东,王岩,韩培德,范光伟,夏焱,王志斌

• 1:太原理工大学材料科学与工程学院
• 2:太原钢铁(集团)有限公司先进不锈钢材料国家重点实验室
• 3:山西太钢不锈钢股份有限公司技术中心

摘要(Abstract)：

在Gleeble-3800热模拟试验机上,利用热压缩试验研究了TP310HCb N合金在变形温度1050~1250℃、应变速率0.1~20 s-1条件下的热变形特性,并建立热变形本构方程,得到其热激活能为467.412 k J/mol;在本实验条件下,随着应变速率的提高,再结晶晶粒尺寸先减小后增大,以应变速率5 s-1为分界点;采用分段函数推导出TP310HCb N动态再结晶晶粒尺寸模型,在适用区间内均具有较好的拟合度。

关键词(KeyWords)： TP310HCbN;热变形;再结晶

Abstract:

Keywords:

基金项目(Foundation): 山西省科技重大专项项目(20111101053);; 山西省技术创新项目(2007-046)

作者(Author): 方旭东,王岩,韩培德,范光伟,夏焱,王志斌

DOI: 10.13289/j.issn.1009-6264.2014.s2.048

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