h-BN增强对铜基合金磨损摩擦性能的影响

IF 1.4 4区 材料科学 Q3 MATERIALS SCIENCE, CERAMICS Science of Sintering Pub Date : 2023-01-01 DOI:10.2298/sos230717044d
A. Devecili, Adem Bakkaloğlu, Y. Gencer
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引用次数: 0

摘要

研究了六方氮化硼(h-BN)的加入对铜基合金体系的影响。在制备的金属基体组合物中加入不同数量的h-BN作为增强材料。粉末混合物经过高能机械合金化,在400 N/mm2下压实,在820℃下烧结。2小时。在样品烧结后,进行了磨损和摩擦测试。h-BN的加入使烧结后尺寸收缩率减小,而实际密度与理论密度之差增大。XRD结果表明,材料中存在由增强材料和金属基体组成的特征峰。磨损试验表明,在不同载荷作用下,h-BN含量越高,磨损量越大。随着h-BN含量的增加,摩擦系数开始随h-BN含量的增加而下降。
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The effect of h-BN reinforcement on wear and friction properties of copper based alloy
The aim of this study was to investigate the effect of hexagonal boron nitride (h-BN) addition on copper based alloy system. Varying amounts of h-BN were added to the prepared metal matrix composition as a reinforcing material. The powder mixture was subjected to high-energy mechanical alloying and compacted under 400 N/mm2 and were sintered at 820?C for 2 hours. Following the sintering of the samples characterization procedures were performed after wear and friction testing. The addition of h-BN led to a decrease in dimensional shrinkage after sintering, while the difference between the achieved density and theoretical density increased. XRD results revealed the presence of characteristic peaks attributed to the reinforcement and metallic matrix. The wear tests revealed a significant increase in wear with higher h-BN content under different applied loads. The initial decline in friction coefficient with h-BN addition was followed by an increase as the h-BN content increased.
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来源期刊
Science of Sintering
Science of Sintering 工程技术-材料科学:硅酸盐
CiteScore
2.50
自引率
46.70%
发文量
20
审稿时长
3.3 months
期刊介绍: Science of Sintering is a unique journal in the field of science and technology of sintering. Science of Sintering publishes papers on all aspects of theoretical and experimental studies, which can contribute to the better understanding of the behavior of powders and similar materials during consolidation processes. Emphasis is laid on those aspects of the science of materials that are concerned with the thermodynamics, kinetics and mechanism of sintering and related processes. In accordance with the significance of disperse materials for the sintering technology, papers dealing with the question of ultradisperse powders, tribochemical activation and catalysis are also published. Science of Sintering journal is published four times a year. Types of contribution: Original research papers, Review articles, Letters to Editor, Book reviews.
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