首页> 外文会议>Pacific Rim International Conference on Advanced Materials and Processing(PRICM 5) pt.1; 20041102-05; Beijing(CN) >Influence of Trace Boron and Cooling Rate on The Thermal Embrittlement of 2.25Cr-1 Mo Steel
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Influence of Trace Boron and Cooling Rate on The Thermal Embrittlement of 2.25Cr-1 Mo Steel

机译:微量硼和冷却速率对2.25Cr-1 Mo钢热脆化的影响

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摘要

The influence of trace boron and cooling rate on the thermal embrittlement of 2.25Cr -1Mo steel was investigated by thermo-mechanical simulator and SEM analysis. It was proved that the trough in the thermo-ductility curve located between 1000℃ and 700℃ and shifted to lower temperature and the temperature range of the trough became shallow and narrow as the boron content increased. When the cooling rate decreased, the ductility trough became shallow and narrow too. This made the steel free of surface crack in CC process.
机译:通过热机械模拟器和SEM分析研究了痕量硼和冷却速率对2.25Cr -1Mo钢热脆性的影响。结果表明,随着硼含量的增加,热导率曲线中的波谷处于1000〜700℃之间并向较低温度移动,波谷的温度范围变窄。当冷却速度降低时,延性槽也变浅和变窄。这使得钢在CC工艺中没有表面裂纹。

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