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首页> 外文期刊>Journal of Materials Engineering and Performance >Effect of Annealing Temperature on Surface Gradient Fine Microstructure and Wear Resistance of Low-Carbon Steel
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Effect of Annealing Temperature on Surface Gradient Fine Microstructure and Wear Resistance of Low-Carbon Steel

机译：退火温度对低碳钢表面梯度微观结构和耐磨性的影响

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摘要

The present research investigated the effect of annealing temperature on surface gradient fine microstructure and wear resistance of low-carbon steel. The results depicted that the optimized annealing temperature from 300 degrees C to 400 degrees C can facilitate the formation of a stable fine microstructure. The fine grain size is about 0.2 mu m on the topmost surface layer, and the percentage of grain boundary with misorientation angle of 1.5 degrees is 26 %. The full width at half maximum values gradually decreases with increasing temperature from room temperature to 600 degrees C. In addition, the abrasive wear dominates the entire process for samples annealed at 300-400 degrees C. The wear mechanism gradually switches to adhesive wear and even delamination wear when the annealing temperature is increased to 500-600 degrees C.
机译：研究了退火温度对低碳钢表面梯度细组织和耐磨性的影响。结果表明，300～400℃的最佳退火温度有利于形成稳定的精细组织。最表层的细晶粒尺寸约为0.2μm，取向角为1.5度的晶界百分比为26%。随着温度从室温升高到600摄氏度，半最大值处的全宽逐渐减小。此外，在300-400摄氏度退火的样品的整个过程中，磨料磨损占主导地位。当退火温度升高到500-600摄氏度时，磨损机制逐渐转为粘着磨损，甚至分层磨损。

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