搅拌铸造AZ31/ZrO2复合材料的干滑动磨损性能

IF 0.6 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materiali in tehnologije Pub Date : 2023-05-31 DOI:10.17222/mit.2022.543

K. K. Basha, R. Subramanian, T. Satish Kumar, G. Suganya Priyadharshini

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引用次数: 1

摘要

研究了ZrO2增强量(5、10和15)vol.%对搅拌铸造AZ31镁合金复合材料干滑动磨损性能的影响。在(10、20、30、40)N载荷和(1、3、5)m/s滑动速度下进行销盘磨损试验。确定了在一定滑动距离下，磨损率和摩擦系数随载荷变化的变化规律。结果表明，与AZ31合金相比，该复合材料在较高的载荷和速度下具有较低的磨损率。其中，AZ31-15 vol.% ZrO2复合材料的磨损率和摩擦系数最低。利用扫描电镜和x射线衍射分析了不同磨损机理。

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DRY SLIDING WEAR BEHAVIOUR OF AZ31/ZrO2 COMPOSITES PRODUCED USING A STIR CASTING PROCESS

This study investigates the effect of ZrO2 reinforcement (5, 10 and 15) vol.% on the dry sliding wear behaviour of AZ31 Mg alloy composites produced using stir casting. The wear test (pin on disc) was conducted at different loads of (10, 20, 30 and 40) N and sliding velocities of (1, 3 and 5) m/s. The variation in the wear rate and friction co-efficient with the change in the load at a constant sliding distance was determined. Results showed that the composites exhibited a lower wear rate at higher loads and speeds compared to the AZ31 alloy. In particular, AZ31-15 vol.% ZrO2 composite showed the lowest wear rate and friction coefficient. Different wear mechanisms operating during the wear test were investigated using SEM and XRD.

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来源期刊

Materiali in tehnologije 工程技术-材料科学：综合

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： The journal MATERIALI IN TEHNOLOGIJE/MATERIALS AND TECHNOLOGY is a scientific journal, devoted to original papers and review scientific papers concerned with the areas of fundamental and applied science and technology. Topics of particular interest include metallic materials, inorganic materials, polymers, vacuum technique and lately nanomaterials.