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Effect of Silicon Content on the Wear Behavior of Low-Carbon Dual-Phase Steels

机译：硅含量对低碳双相钢磨损行为的影响

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摘要

The aim of this study is to understand the influence of the silicon content and volume fraction of martensite obtained by intercritical annealing at three temperatures (750, 780, and 800 degrees C) on the wear behavior of low-carbon dual-phase steels. Dry sliding wear tests were carried out in three sliding intervals (0-200, 200-600, and 600-1000m) by using a pin-on-disk machine at normal load of 30N, room temperature, and fixed sliding velocity of 0.5m/s. The weight loss of the specimens was measured and the wear rate calculated. For all the samples, the wear rate decreased with increasing sliding distance. The results of the present investigation clearly show that the effect of the intercritical annealing temperature is greater than that of the silicon content. Among the three tested temperatures, the wear resistance was more sensitive to the silicon content at the lowest (750 degrees C). Both the content and hardness of the martensite were factors affecting the wear resistance of the dual-phase steels. The wear response of the samples can be described on the basis of the interaction between the martensite volume fraction and hardness. The role of the silicon content in the oxidation of steels was also examined.
机译：本研究的目的是了解通过在三个温度（750,780和800℃）的跨临界退火上的马氏体的硅含量和体积分数对低碳双相钢的磨损行为来影响。通过在30N，室温和固定滑动速度为0.5M的固定滑动载荷机上使用引脚磁盘机进行干式滑动磨损试验（0-200,200-600和600-1000M）。 / s。测量样品的重量损失并计算磨损率。对于所有样品，随着滑动距离的增加，磨损率降低。本研究结果清楚地表明，跨临界退火温度的效果大于硅含量的影响。在三个测试的温度中，耐磨性对最低（750℃）的硅含量更敏感。马氏体的内容和硬度都是影响双相钢耐磨性的因素。可以基于马氏体体积分数和硬度之间的相互作用来描述样品的磨损响应。还检查了硅含量在钢氧化中的作用。

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