Influence of Niobium Content on Structure and Mechanical Properties of Steel Cr8WMo2V2SiNb

刘建华; 马党参; 张占普; 吴立志; 陈再枝; 迟宏宵

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Influence of Niobium Content on Structure and Mechanical Properties of Steel Cr8WMo2V2SiNb

更新时间：2026-01-21

- Influence of Niobium Content on Structure and Mechanical Properties of Steel Cr8WMo2V2SiNb
- Special Steel Vol. 29, Issue 6, Pages: 55-57(2008)
- 作者机构：
  
  1. 钢铁研究总院,北京,100081
  2. 河冶科技股份有限公司,石家庄,050031
  3. 昆明理工大学材料与冶金工程学院,昆明,650093
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：16 May 2008，
  
  Online First：09 December 2022，
  
  Published：09 December 2008
- 稿件说明：
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刘建华, 马党参, 张占普, et al. Influence of Niobium Content on Structure and Mechanical Properties of Steel Cr8WMo2V2SiNb[J]. Special Steel, 2008, 29(6): 55-57.
DOI：

刘建华, 马党参, 张占普, et al. Influence of Niobium Content on Structure and Mechanical Properties of Steel Cr8WMo2V2SiNb[J]. Special Steel, 2008, 29(6): 55-57. DOI：

摘要

研究了0～0.89%Nb含量对淬火(1 000～1 200℃)-回火(200～650℃)CrSWMo2V2SiNb钢组织和力学性能的影响。结果表明

随着Nb含量提高

钢的铸态组织和共晶碳化物形态得以改善

难熔铌的碳化物增多

明显抑制了淬火奥氏体晶粒长大;加铌可相应提高淬火温度

增加钢的二次硬化能力和耐磨性

使钢具有较高综合机械性能。

Abstract

Influence of0~0.89% Nb content on structure and mechanical properties of quenched(1000~1200 ℃) - tempered(200~650℃)steel Cr8WMo2V2SiNb has been studied. Results showed that with increasing Nb content the as-cast structure and eutectic carbide morphology improved

the amount of refractory carbides increased remarkably to restrain the growth of austenite grain; and the quenching temperature of steel could appropriately increased by adding Nb to increase secondary hardening ability and wear resistance and get higher integrated mechanical properties of steel.

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