Constitutive Relationship of New Steel 33Mn2V and Its Application in Piercing Process by FEM Simulation  

作　　者：LU Lu WANG Fu-zhong WANG Zhao-xu ZHU Guang-ya ZHANG Xing-xiang 

机构地区：[1]School of Material Science and Engineering, Tianjin Polytechnic University, Tianjin 300160, China [2]Department of Information Science and Engineering, BoHai University, Jinzhou 121000, Liaoning, China [3]Department of Physics, Tianjin Polytechnic University, Tianjin 300160, China [4]Wuxi Seamless Steel Tube Company Ltd, Wuxi 214026, Jiangsu, China [5]Institute of Functional Fiber, Tianjin Polytechnic University, Tianjin 300160, China

出　　处：《Journal of Iron and Steel Research International》2011年第7期47-52,共6页

基　　金：Item Sponsored by Tianjin Natural Science Foundation of China(06YFJ MJC02200,11JCZDJC22600)

摘　　要：Based on test data from the hot forge experiments on Gleeble 1500, a Kumar type constitutive equation for 33Mn2V steel is established. Applying this constitutive equation in commercial FEM software of MSC/SuperForm 2005, the piercing process of 33Mn2V steel in Mannesmann mill is then simulated. The modeling results visualized the dynamic evolution of equivalent stress, especially inside the workpieee. It is shown that the non-uniform distribu- tion of stress on the internal and external surface of the workpiece is a distinct characteristic of processing tube pierc- ing. The numerical model was verified by comparing the values of calculated force parameters of the piercing process with those measured in laboratory eonditions. And it shows that the Kumar-type constitutive relationship meets the practical needs.Based on test data from the hot forge experiments on Gleeble 1500, a Kumar type constitutive equation for 33Mn2V steel is established. Applying this constitutive equation in commercial FEM software of MSC/SuperForm 2005, the piercing process of 33Mn2V steel in Mannesmann mill is then simulated. The modeling results visualized the dynamic evolution of equivalent stress, especially inside the workpieee. It is shown that the non-uniform distribu- tion of stress on the internal and external surface of the workpiece is a distinct characteristic of processing tube pierc- ing. The numerical model was verified by comparing the values of calculated force parameters of the piercing process with those measured in laboratory eonditions. And it shows that the Kumar-type constitutive relationship meets the practical needs.

关 键 词：33 Mn2 V constitutive equation tube piercing process thermo-mechanieal coupling simulation FEM analysis 

分 类 号：TG302[金属学及工艺—金属压力加工] TU452[建筑科学—岩土工程]