Effect of Nb Content on Structure and Mechanical Properties of High Speed Steel W3Mo2Cr4V(Nb)

张永; 马党参; 刘建华; 陈再枝; 雍岐龙

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Effect of Nb Content on Structure and Mechanical Properties of High Speed Steel W3Mo2Cr4V(Nb)

更新时间：2026-01-21

- Effect of Nb Content on Structure and Mechanical Properties of High Speed Steel W3Mo2Cr4V(Nb)
- Special Steel Vol. 28, Issue 3, Pages: 44-46(2007)
- 作者机构：
  
  1. 昆明理工大学材料与冶金工程学院
  2. 钢铁研究总院结构材料研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：27 December 2006，
  
  Online First：03 February 2023，
  
  Published：03 February 2007
- 稿件说明：
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张永, 马党参, 刘建华, et al. Effect of Nb Content on Structure and Mechanical Properties of High Speed Steel W3Mo2Cr4V(Nb)[J]. Special Steel, 2007, 28(3): 44-46.
DOI：

张永, 马党参, 刘建华, et al. Effect of Nb Content on Structure and Mechanical Properties of High Speed Steel W3Mo2Cr4V(Nb)[J]. Special Steel, 2007, 28(3): 44-46. DOI：

摘要

研究了0～1.5％Nb对25 kg真空感应炉冶炼的W3M02Cr4V钢(％:0.8～1.1C、3.8～4.1Cr、2.9～3.2W、1.8～2.1Mo、1.0～1.3V)组织和力学性能的影响。试验结果表明:随着Nb含量提高

铸态组织中铌碳化物增多;淬火奥氏体晶粒变细;1180℃淬火时

1.2％～1.5％Nb钢比≤0.1％Nb钢HRC值提高了6.0;二次硬化能力和红硬性也得到了提高;使钢在较高淬火温度下的机械性能得到改善。

Abstract

The effect of0～1.5% Nb on structure and mechanical properties of steel W3Mo2Cr4V(0.8~1. 1C

3.8 ~4. 1Cr

2.9~3.2W

1.8~2. 1Mo

1.0~1.3V)melted by 25 kg vacuum induction funace has been studied. Test results showed that with increasing Nb content the amount of niobium carbide in cast structure increased; quenching austenite grain was refined; as quenched at 1180 ℃

compared with HRC value of≤0. 1% Nb steel the HRC value of 1.2%~ 1.5%Nb steel increased by 6.0; the secondary hardening ability and red hardness of Nb steel were obviously increased.

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