Effect of Pre-Deformation on ε-Cu Precipitation Behavior in Ultra-Low-Carbon-Bainitic Steel

张胤彦; 唐金权; 郭爱民; 袁泽喜

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Effect of Pre-Deformation on ε-Cu Precipitation Behavior in Ultra-Low-Carbon-Bainitic Steel

更新时间：2026-01-21

- Effect of Pre-Deformation on ε-Cu Precipitation Behavior in Ultra-Low-Carbon-Bainitic Steel
- Special Steel Vol. 27, Issue 1, Pages: 24-27(2006)
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- Received：30 August 2005，
  
  Online First：01 February 2006，
  
  Published：01 February 2006
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张胤彦, 唐金权, 郭爱民, et al. Effect of Pre-Deformation on ε-Cu Precipitation Behavior in Ultra-Low-Carbon-Bainitic Steel[J]. Special Steel, 2006, 27(1): 24-27.
DOI：

张胤彦, 唐金权, 郭爱民, et al. Effect of Pre-Deformation on ε-Cu Precipitation Behavior in Ultra-Low-Carbon-Bainitic Steel[J]. Special Steel, 2006, 27(1): 24-27. DOI：

摘要

研究了10%预变形对0.98%～2.90%Cu超低碳贝氏体钢(%:0.042～0.045C

1.43～1.48Mn

0.30~0.33Si

0.70～0.73Ni

0.29～0.30Mo

0.025～0.029Nb

0.011～0.019Ti

0.0013～0.0023B)在450℃和 550 ℃处理1~10⁴ min的时效动力学行为的影响。试验结果表明，该钢在时效过程时，e-Cu析出动力学曲线出现硬度峰值，当经过预变形处理后，e-Cu析出峰值出现的时间显著降低，峰值高度明显增加。在450 ℃时效时，预变形的这一作用更为明显

Abstract

The effect of 10% pre-deformation on aging dynamic behavior of an ultra-low-carbon-bainitic steel 0.042~ 0.045C- 1.43～1.48Mn-0.30～0.33Si-0.70～0.73Ni-0.29～0.30Mo-0.025～0.029Nb-0.011～0.019Ti

0.0013~0.0023B containing 0.98~2.90Cu at temperature 450 ℃ and 550 ℃ for 1~10

min.The test result showed that the peak hardness of e-Cu precipitation dynamic curves occurred during ageing of steel; as the steel was pre-deformed the time occurred peak hardness of e-Cu precipitation obviously decreased and the value of peak hardness increased appreciably. The effect of pre-deformation was more evident for steel aging at 450 ℃

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