Effect of Quenching Temperature on Microstructure and Mechanical Properties of 80 mm Quenching- Tempering Low Carbon Bainite 690 MPa High Strength Steel Plate

刘朝霞; 刘俊; 孟羽; 徐光琴; 许晓红

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Effect of Quenching Temperature on Microstructure and Mechanical Properties of 80 mm Quenching- Tempering Low Carbon Bainite 690 MPa High Strength Steel Plate

更新时间：2026-01-21

- Effect of Quenching Temperature on Microstructure and Mechanical Properties of 80 mm Quenching- Tempering Low Carbon Bainite 690 MPa High Strength Steel Plate
- Special Steel Vol. 42, Issue 1, Pages: 77-80(2021)
- 作者机构：
  
  江阴兴澄特种钢铁有限公司研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：03 August 2020，
  
  Online First：11 April 2022，
  
  Published：11 April 2021
- 稿件说明：
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刘朝霞, 刘俊, 孟羽, et al. Effect of Quenching Temperature on Microstructure and Mechanical Properties of 80 mm Quenching- Tempering Low Carbon Bainite 690 MPa High Strength Steel Plate[J]. Special Steel, 2021, 42(1): 77-80.
DOI：

刘朝霞, 刘俊, 孟羽, et al. Effect of Quenching Temperature on Microstructure and Mechanical Properties of 80 mm Quenching- Tempering Low Carbon Bainite 690 MPa High Strength Steel Plate[J]. Special Steel, 2021, 42(1): 77-80. DOI：

摘要

通过金相显微镜、扫描电镜、力学性能测试

研究了830～930℃淬火+650℃回火对690 MPa高强钢显微组织和力学性能的影响。结果表明:实验钢经两相区830℃淬火+650℃回火后的组织为板条状铁素体和回火索氏体

其屈服强度较低为679 MPa。淬火温度在完全奥氏体化相区为890～930℃时

随着淬火温度升高

材料强度下降

韧性降低。当在890℃淬火和650℃回火时

屈服强度为791 MPa

冲击功为150～171 J

达到690 MPa E级钢性能要求。

Abstract

Key words:

&nbsp

Low-Carbon Bainitic Steel

Quenching

Tempering Sorbite

Fracture Morphology&nbsp

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