Effect of Ca-Si Treatment on Morphology and Ingredient of Sulfide in Free Cutting Non-Quenching-Tempering Steel 30MnVS

袁婷; 李国忠; 周兴海; 涂益友; 蒋建清

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Effect of Ca-Si Treatment on Morphology and Ingredient of Sulfide in Free Cutting Non-Quenching-Tempering Steel 30MnVS

更新时间：2026-01-21

- Effect of Ca-Si Treatment on Morphology and Ingredient of Sulfide in Free Cutting Non-Quenching-Tempering Steel 30MnVS
- Special Steel Vol. 30, Issue 5, Pages: 39-41(2009)
- 作者机构：
  
  1. 东南大学江苏省先进金属材料高技术研究重点实验室,南京,211189
  2. 兴澄特种钢铁有限公司，江阴,214429
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：05 March 2009，
  
  Online First：18 November 2022，
  
  Published：18 November 2009
- 稿件说明：
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袁婷, 李国忠, 周兴海, et al. Effect of Ca-Si Treatment on Morphology and Ingredient of Sulfide in Free Cutting Non-Quenching-Tempering Steel 30MnVS[J]. Special Steel, 2009, 30(5): 39-41.
DOI：

袁婷, 李国忠, 周兴海, et al. Effect of Ca-Si Treatment on Morphology and Ingredient of Sulfide in Free Cutting Non-Quenching-Tempering Steel 30MnVS[J]. Special Steel, 2009, 30(5): 39-41. DOI：

摘要

采用金相显微镜、扫描电镜和热力学计算

研究了Ca-Si变质处理对30MnVS钢(%:0.30～0.33C、1.40～1.60Mn、0.08～0.14V、0.065～0.090S)硫化物形貌和组成的影响。结果表明

随着Ca含量(0.001 2%、0.002 1%、0.003 5%、0.004 6%)的增加

团簇的杆状硫化物逐渐转变为均匀分散的球状硫化物

并且大多数球形硫化物中含有复合氧化物核心。其成分变化规律为CaO·3(Al

)·SiO

-3(CaO)·6(Al

)·2(SiO

)-6(CaO)·9(Al

)·4(SiO

)-4(CaO)·3(Al

)·2(SiO

)

计算结果与实验分析结果基本吻合。

Abstract

Effect of Ca-Si modified treatment on morphology and ingredient of sulfide in steel 30MnVS (%:0.30~0.33C

1.40~1.60Mn

0.08~0.14V

0.065~0.090S) has been studied by optical microscope

scanning electron microscope and thermodynamic calculation. Results show that with increasing Ca content(0.0012%

0.0021%

0.0035% and 0.0046%)in steel

cluster rod-like sulfides gradually modify to dispersing globular sulfides

and most of sulfides have compound oxide core

the change sequence of its ingredient is CaO·3(Al

)·SiO

-3(CaO)·6(Al

)·2(SiO

)-6(CaO)·9(Al

)·4(SiO

)-4(CaO)·3(Al

)·2(SiO

)

and the results of calculation coincide with that of experiment analysis.

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