表面纳米化对中碳钢磨合磨损性能的影响

Q4 Energy 哈尔滨工程大学学报 Pub Date : 2008-01-01 DOI:10.3969/J.ISSN.1006-7043.2008.05.017

G. Li, D. Guan, H. Wang, Mingxing Zhang

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引用次数: 0

摘要

为了研究磨合对中碳钢表面纳米晶化的影响，采用环盘式磨合试验机，在润滑条件下进行了磨合和磨损试验。分析了摩擦振动信号的摩擦系数和多重分形谱参数的变化规律。通过观察磨损表面形貌，研究了中碳钢表面纳米晶的磨损行为。结果表明，表面纳米晶化试样的摩擦系数和摩擦振动信号的多重分形谱参数显著降低;高表面活性导致润滑油更好的吸附-条件是负载低于临界值，超过这个临界值油膜的形成被抑制。试验表明，采用表面纳米化技术可以改善中碳钢的磨合性能和磨损性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Influence of surface nanocrystallization on running-in and wearing properties of medium carbon steel

In order to study how running-in affects surface nanocrystallization of medium carbon steel, running-in and wearing tests were conducted, while under lubrication, using a ring-on-disc tester. Variations in the coefficient of friction and multifractal spectrum parameters of frictional vibration signals were analyzed. Wearing behavior of the surface nanocrystallization of medium carbon steel was investigated by examining wearing surface topography. The results showed that the coefficient of friction and the multifractal spectrum parameters of frictional vibration signals are markedly decreased for specimens showing surface nanocrystallization. High surface activity leads to better adsorption of lubricant-on the condition that the load is below a critical value beyond which oil film formation is inhibited. Our test showed that running-in and wearing properties of medium carbon steel can be improved by means of surface nanocrystallization.

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