Effect of Adding AlzO3Nano-powder on Mechanical Properties and Inclusions of Hollow Steel 55SiMnMo

王国承; 黄浪; 谢君阳; 鲍宇飞; 方克明

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Effect of Adding AlzO3Nano-powder on Mechanical Properties and Inclusions of Hollow Steel 55SiMnMo

更新时间：2026-01-21

- Effect of Adding AlzO3Nano-powder on Mechanical Properties and Inclusions of Hollow Steel 55SiMnMo
- Special Steel Vol. 29, Issue 1, Pages: 19-21(2008)
- 作者机构：
  
  1. 北京科技大学冶金与生态工程学院,北京,100083
  2. 新余钢铁公司,新余,338001
  3. 湘潭钢铁集团公司,湘潭,411101
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：16 August 2007，
  
  Online First：13 December 2022，
  
  Published：13 December 2008
- 稿件说明：
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王国承, 黄浪, 谢君阳, et al. Effect of Adding AlzO3Nano-powder on Mechanical Properties and Inclusions of Hollow Steel 55SiMnMo[J]. Special Steel, 2008, 29(1): 19-21.
DOI：

王国承, 黄浪, 谢君阳, et al. Effect of Adding AlzO3Nano-powder on Mechanical Properties and Inclusions of Hollow Steel 55SiMnMo[J]. Special Steel, 2008, 29(1): 19-21. DOI：

摘要

研究了中空钢55SiMnMo还原前期加0.018%、铸锭时加0.002%的120 nm Al

纳米粉后钢的力学性能和夹杂物。结果表明

添加0.02%Al

纳米粉使锻后空冷55SiMnMo钢的屈服强度提高了13.9%

常温冲击韧性提高了70.8%;场发射SEM观察得出Al

纳米颗粒大多数成为非金属夹杂物的核心

钢中大部分夹杂物得到了细化

尺寸均在300 nm～3μm之间。

Abstract

The mechanical properties and inclusions of hollow steel 55SiMnMo added 0.018% 120 nm Al

nano- powder in earlier stage of reduction penod and 0.002% nano-powder during ingot casting have been studied. Results showed that with added 0.02% Al

nano-powder the yield strength of forged and air-cooled steel 55SiMnMo increased by 13.9% and impact toughness at ambient temperature increased by 70.8%;by field emission SEM observation the most of Al

nano-particle became non-spontaneous nucleus of non-metallic inclusions and the most inclusions in steel were fined by adding nano-powder

the size of inclusions was 300nm~3 μm.

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