Hot-Deformation Behaviors and Microstructure Evolution of HGH3126 Ni-based Alloy

付建辉

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Hot-Deformation Behaviors and Microstructure Evolution of HGH3126 Ni-based Alloy

更新时间：2026-01-21

- Hot-Deformation Behaviors and Microstructure Evolution of HGH3126 Ni-based Alloy
- Special Steel Vol. 41, Issue 2, Pages: 1-5(2020)
- 作者机构：
  
  1. 攀钢集团研究院有限公司,成都,610303
  2. 成都先进金属材料产业技术研究院有限公司,成都,610303
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：17 October 2019，
  
  Online First：20 April 2022，
  
  Published：20 April 2020
- 稿件说明：
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付建辉. Hot-Deformation Behaviors and Microstructure Evolution of HGH3126 Ni-based Alloy[J]. Special Steel, 2020, 41(2): 1-5.
DOI：

付建辉. Hot-Deformation Behaviors and Microstructure Evolution of HGH3126 Ni-based Alloy[J]. Special Steel, 2020, 41(2): 1-5. DOI：

摘要

通过热压缩实验研究了HGH3126镍基合金（/%:≤0.005C

17.20Cr

4.21W

16.25Mo

5.49Fe

0.46Mn

0.20V）在变形温度为950～1200℃、应变速率为0.01～10 s

-1

的热变形行为。基于Arrhenius方程和Zener-Hollomon参数模型

建立了HGH3126合金高温热变形的流变应力本构方程。通过对高温热变形后的HGH3126合金显微组织进行观察

分析了变形温度和应变速率对HGH3126合金动态再结晶行为的影响。结果表明

变形温度越高

合金动态再结晶越容易形核;应变速率越小

合金动态再结晶过程进行得越充分。当应变速率0.1 s

-1

变形温度1100℃时

该合金基本发生完全动态再结晶。

Abstract

The hot-deformation behaviours of HGH3126 Ni-based alloy (/% ： W0.005C

17. 20Cr

4. 21W

16.25Mo

5. 49Fe

0. 46Mn

0. 20V) at deformation temperature 950 〜1200 °C and strain rate 0. 01 ~ 10 s

-1

are studied by hot compression test. Based on Arrhenius equation and Zener-Hollomon parameter model

the stress strain constitutive equation of HGH3126 alloy during hot deformation is established. By observing the microstructure of the HGH3126 alloy after high temperature compression

the effect of deformation temperature and strain rate on recrystallization behavior of the HGH3126 alloy is analyzed. The results show that the higher the deformation temperature

the easilier the dynamic recrystallization nucleation

the smaller the strain rate

and the more sufficiently the dynamic recrystallization process. With strain rate 0. 1 s

-1

at 1100 °C the complete dynamic recrystallization of the alloy has occurred basically.

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