Hot Deformation Characteristics of Nickel Base Corrosion Resistant Alloy GH536B(G3)

苏玉华; 包耀宗; 董瀚; 雍岐龙; 张英杰

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Hot Deformation Characteristics of Nickel Base Corrosion Resistant Alloy GH536B(G3)

更新时间：2026-01-21

- Hot Deformation Characteristics of Nickel Base Corrosion Resistant Alloy GH536B(G3)
- Special Steel Vol. 29, Issue 1, Pages: 31(2008)
- 作者机构：
  
  1. 昆明理工大学材料与冶金工程学院,昆明,650093
  2. 钢铁研究总院结构材料研究所,北京,100081
  3. 曲靖师范学院,曲靖,655011
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：15 August 2007，
  
  Online First：14 December 2022，
  
  Published：14 December 2008
- 稿件说明：
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苏玉华, 包耀宗, 董瀚, et al. Hot Deformation Characteristics of Nickel Base Corrosion Resistant Alloy GH536B(G3)[J]. Special Steel, 2008, 29(1): 31.
DOI：

苏玉华, 包耀宗, 董瀚, et al. Hot Deformation Characteristics of Nickel Base Corrosion Resistant Alloy GH536B(G3)[J]. Special Steel, 2008, 29(1): 31. DOI：

摘要

通过Thermomacmaster-Z热模拟机试验和显微组织观察

研究了镍基耐蚀合金GH536B(G3

%:0.002C、20.30Cr、17.50Fe、8.70Mo、1.32W、1.90Cu、0.20Nb)1030～1300℃、应变速率1～25s

-1

的应力-应变曲线以及温度对合金断面收缩率的影响

高温变形下合金组织的变化和应变速率对合金动态再结晶温度的影响。结果表明

G3合金变形抗力大

热成形温度区间小

随应变速率增大

热塑性降低;当Φ10 mm×140 mm试样拉伸速率为100 mm·s

-1

合适的成形温度为1130～1260℃

当拉伸速率为200 mm·s-1

合适的成形温度为1130～1220℃。

Abstract

The stress-strain curves of nickel base corrosion resistant alloy GH536B(G3:0.002C

20.30Cr

17.50Fe

8.70Mo

1.32W

1.90Cu

0.20Nb)with strain rate1~25s

-1

at 1030～1300 ℃

the effect of temperature on reduction of area of alloy

the change of alloy structure with hot deformation and effect of strain rate on dynamic recrys- tallization temperature of alloy have been studied by Thermomacmaster-Z thermal simulation machine test and microstructure observation. Results showed that the G3 alloy had large resistance of deformation and narrow hot deformation temperature range

and with increasing strain rate

the hot ductility decreased such as for φ10 mm×140 mm sample the tensile strain rate was 100 mm/s

the available temperature for deformation was1130~1260 ℃ but as the tensile strain rate was 200 mm/s the available temperature for deformation was 1130～1

220 ℃.

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