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Simulation Analysis and Application of Hot Rolled Large Size H-beams

机译：热轧大尺寸H梁的仿真分析与应用

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This paper studies a number of large size H-beams with the reference of the actual manufacturing process of H-beams at Laiwu iron & steel Group.The web cracking and cooling waves,as well as temperature field and rolling force,have been tested and analyzed,and the experiments on the performance and microstructure over the full section have been completed.With the help of building H-beams rolling finite element model,thermal mechanical coupled 3D numerical simulation of large size H-beams full rolling process has been realized,furthermore the residual stress transformation during cutting flange,as well as residual stress distribution of hot rolled H-beams,has been accomplished.The method of controlling residual stress has been achieved through numerical simulation.On the basis of the whole rolling process finite element simulations,with the help of the models of austenite evolution,phase transition and microstructure and property prediction,the simulation of 3D microstructure evolution and property prediction has been fulfilled.This paper provides the reference for the numerical simulation and application of hot rolled large size H-beams.
机译：在莱钢Group.The幅本文研究用的实际制造过程中的参考一些大尺寸的H型钢H型钢裂化和冷却波，以及温度场和轧制力，已经过测试并分析，并在性能和微观结构在整个部分中的实验已completed.With构建H型钢轧制有限元模型的帮助下，大尺寸H型钢全轧制过程已被实现的热机械耦合三维数值模拟，此外切削凸缘，以及残余应力分布时的残余应力变换热轧H型钢，一直控制残余应力的accomplished.The方法已通过数值simulation.On实现整个轧制过程的有限元模拟的基础与奥氏体演变，相变和组织性能预报，3D组织演变一个仿真的模型的帮助第二属性预测一直fulfilled.This纸张提供了一种用于热轧大尺寸H型钢的数值模拟和应用参考。

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