节镍型高氮奥氏体不锈钢热压缩行为研究  

Research on Hot Compression Behavior of Low-nickel High Nitrogen Austenitic Stainless Steel

作　　者：嵇爽 张彩军 赵英利 张雲飞 常金宝 

机构地区：[1]华北理工大学冶金与能源学院,河北唐山063009 [2]河钢集团钢研总院,河北石家庄052165

出　　处：《热加工工艺》2017年第14期82-84,88,共4页Hot Working Technology

基　　金：河北省科技计划项目(15211007D)

摘　　要：通过Gleeble-3800热模拟机对高氮节镍型奥氏体钢进行热压缩试验。研究了该钢种的高温变形与应变速率以及温度的关系。并通过数学模型建立了本构方程和参数Z的表达式,应用数学方法计算出变形表观激活能,为823.31 k J/mol。By using Gleeble-3800 thermo-mechanical simulation machine, the hot compression test of low-nickel highnitrogen anstenitic stainless steel was carried out. The relationship between hot temperature deformation, strain rate and temperature was researched. The constitutive equation and the expression of the parameter Z were established by mathematical model. The deformation apparent activation energy was calculated by mathematics method, which was 823.31 kJ/mol.

关 键 词：节镍型高氮奥氏体不锈钢 压缩热模拟 本构方程 表观激活能 

分 类 号：TG113.2[金属学及工艺—物理冶金]