Transactions of Materials and Heat Treatment

Title：Hot compression test and finite element simulation on 20 carbon steel/316L stainless steel composite material

Authors： Hu Jianhua Wang Xiaohua Chen Jianxun Gui Hailian Yang Sheng Li Jing

Unit： College of Material Science and Engineering Taiyuan University of Science and Technology

KeyWords： longitudinal rib plate reduction rate friction factor hole-type design rolling

ClassificationCode：TG335.5+9

year,vol(issue):pagenumber：2023,48(7):222-227

Abstract：

For the 20 carbon steel/316L stainless steel composite material, the hot compression test was conducted by Gleeble-3500 thermal simulation testing machine combined with finite element software DEFORM-3D, the strain change trend and microstructure evolution laws were analyzed, and the Arrhenius constitutive model was established. During the test, the volume of carbon steel accounted for 2/3, the volume of stainless steel accounted for 1/3, the strain rate was 0.1-10 s-1, and the temperature was 1000-1100 ℃. By comparing the simulation and test results, it is found that there is a certain proportional relationship between the stress-strain curves of carbon steel and stainless steel bimetallic materials and the test results, and the deformation amount in the middle region of the composite material is greater than that at both ends. Through the simulation, it can be concluded that the average grain size of stainless steel is larger than that of carbon steel during the overall process. Due to certain differences between the test results and the simulation results, whether there is a change inside the object cannot be clearly seen on the outer surface of the object. So this simulation is necessary.

Funds：

山西省自然科学基金资助项目（202203021221158）；山西省重点研发计划（201903D121049）

作者简介：胡建华（1977-），女，博士，副教授 E-mail：2005022@tyust.edu.cn 通信作者：王小花（1998-），女，硕士研究生 E-mail：S202114210083@stu.tyust.edu.cn

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