热处理工艺对50SiMnVB合金钢的准静态压缩性能的影响

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热处理工艺对50SiMnVB合金钢的准静态压缩性能的影响

更新时间：2026-09-14

- 热处理工艺对50SiMnVB合金钢的准静态压缩性能的影响
- 热处理工艺对50SiMnVB合金钢的准静态压缩性能的影响
- Issue 5, (2010)
- 作者机构：
  
  1. 中北大学理学院
  2. 中北大学机电工程学院
  3. 中北大学材料科学与工程学院
  4. 中国兵器科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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常列珍, 潘玉田, 张治民, et al. 热处理工艺对50SiMnVB合金钢的准静态压缩性能的影响[J]. 2010, (5).
DOI：

常列珍, 潘玉田, 张治民, et al. 热处理工艺对50SiMnVB合金钢的准静态压缩性能的影响[J]. 2010, (5). DOI：

摘要

研究正火、正火+淬火+中/低温回火、调质处理的50SiMnVB钢的硬度.从正火50SiMnVB合金钢和回火后的5组试样中选择硬度差别较大的3组试样

分别为正火50SiMnVB合金钢

200℃和600℃回火50SiMnVB合金钢

进行了应变率为10-3s-1和10-1s-1的准静态压缩试验

得到真实的应力-应变曲线.结果表明:50SiMnVB合金钢属于应变率敏感材料

200℃回火50SiMnVB合金钢在同一应变率下

屈服强度最高

但实验结果为45°剪切断裂

材料塑性最小;正火50SiMnVB合金钢屈服强度最低

但塑性最好;600℃回火50SiMnVB合金钢屈服强度和塑性都居中.

Abstract

The hardness and microstructure of 50SiMnVB steel under normalizing

normalizing-quenching-tempering

quenching and tempering were analyzed.Three groups of bigger hardness difference selected from five sample groups.They were respectively normalized 50SiMnVB alloy steel and 50SiMnVB alloy steel tempered at 200 ℃ and 600 ℃.The quasi-static compression experiment of three kinds of heat treatment state 50SiMnVB steel was done when the strain rate is 10-3 s-1 and 10-1 s-1.The 50SiMnVB alloy steel is sensitive to the strain rate.The results indicate that the yield strength of 50SiMnVB alloy steel tempered at 200 ℃ is higher than the other two but its destruction form is cutting rupture at 45°

so it is more brittle than the other two.The yield strenth of normalized 50SiMnVB alloy steel is the lowest in them but the plasticity is the best among them.The yield strength and the plasticity of 50SiMnVB alloy steel tempered at 600 ℃ both are in the middle.

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