Finite Element Simulation for Effect of Initial Rolling Temperature on Change of Rolling Dynamic Structure of Steel 42CrMo4

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Finite Element Simulation for Effect of Initial Rolling Temperature on Change of Rolling Dynamic Structure of Steel 42CrMo4

更新时间：2026-01-21

- Finite Element Simulation for Effect of Initial Rolling Temperature on Change of Rolling Dynamic Structure of Steel 42CrMo4
- Special Steel Vol. 32, Issue 2, Pages: 15-17(2011)
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- Received：15 November 2010，
  
  Online First：09 November 2022，
  
  Published：09 November 2011
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Finite Element Simulation for Effect of Initial Rolling Temperature on Change of Rolling Dynamic Structure of Steel 42CrMo4[J]. Special Steel, 2011, 32(2): 15-17.
DOI：

Finite Element Simulation for Effect of Initial Rolling Temperature on Change of Rolling Dynamic Structure of Steel 42CrMo4[J]. Special Steel, 2011, 32(2): 15-17. DOI：

摘要

应用LARSTRAN/SHAPE有限元模拟软件对42CrMo4合金钢箱形孔型轧制过程进行三维热力耦合有限元模拟。用粘塑性有限元理论模拟轧制过程各时间离散步的局部量包括等效应力、等效应变、等效应变速率、温度分布等

由此计算动态再结晶和晶粒大小的变化。通过模拟研究得出开轧温度≥1 050℃时

42CrMo4钢动态再结晶显著增加

生产42CrMo4钢棒材的合适开轧温度为1050～1100℃。

Abstract

The three dimensional thermal mechanically coupled simulation on alloy steel 42CrMo4 roiling in box pass has been carried out by using LARSTRAN/SHAPE finite element software. The local variables including equivalent stress

equivalent strain

equivalent strain rate and temperature distribution etc during rolling are simulated incrementally by viscoplastic finite element method to calculate the dynamic recrystallization and grain size after each discrete time step. It is obtained by simulation that with initial rolling temperature ≥1 050°C

the percentage of dynamic? recrystallization for hot rolled steel 42CrMo4 increases. In steel 42CrMo4 production the available initial rolling temperature is 1 050 〜1 100 °C.

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