Constitutive equation and model validation for 33Cr23Ni8Mn3N heat-resistant steel during hot compression

被引：29

作者：

Cai, Zhongman ^{[1
]}

Ji, Hongchao ^{[1
,2
,3
]}

Pei, Weichi ^{[1
,3
]}

Wang, Baoyu ^{[3
]}

Huang, Xiaomin ^{[1
]}

Li, Yiming ^{[1
]}

机构：

[1] North China Univ Sci & Technol, Coll Mech Engn, Tangshan 063210, Peoples R China

[2] Univ Sci & Technol Beijing, Natl Ctr Mat Serv Safety, Beijing 100083, Peoples R China

[3] Univ Sci & Technol Beijing, Sch Mech Engn, Beijing 100083, Peoples R China

来源：

RESULTS IN PHYSICS | 2019年 / 15卷

关键词：

33Cr23Ni8Mn3N; Johnson-Cookmodel; Thermal deformation; Constitutive equation; Fields-Backofen model; AZ31B MAGNESIUM ALLOY; DEFORMATION-BEHAVIOR; ALUMINUM-ALLOY; FLOW BEHAVIOR; PROCESSING MAP; TENSILE DEFORMATION; MODIFIED ARRHENIUS; STAINLESS-STEEL; AS-CAST; PREDICTION;

D O I：

10.1016/j.rinp.2019.102633

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In order to more accurately predict the plastic flow behavior of 33Cr23Ni8Mn3N heat-resistant steel, it provides a good foundation for numerical simulation. The selection of constitutive models is crucial. The Gleeble-1500D thermal simulation tester was used to perform thermal compression experiments on 33Cr23Ni8Mn3N heat-resistant steel under different deformation conditions. Based on the experimental data, the Johnson-Cook (JC), Fields-Backofen (FB) constitutive models and their modified constitutive models are established and compared. The characteristics of JC model, FB model, modified JC (m-JC) model, modified FB (m-FB) model and strain-compensated Arrhenius (strain-compensated Arr) model are demonstrated. It is determined that the strain-compensated Arr model has the best accuracy for predicting the thermal deformation behavior of 33Cr23Ni8Mn3N heat-resistant steel. In addition, finite element development was carried out and programming was performed using Absoft Pro Fortran 8.0 software. Various modified models are embedded in Deform-3D for numerical simulation comparison. The results of numerical simulation show that the strain-compensated Arr model is more suitable for finite element simulation of 33Cr23Ni8Mn3N heat-resistant steel.

引用

页数：16

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