Tribological Performance Evaluation of Self-Lubricating Ceramic Reinforced Aluminum-Based Composites

IF 0.9 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

Russian Journal of Non-Ferrous Metals Pub Date : 2025-08-11 DOI:10.1134/S1067821225600486

P. C. Tokat-Birgin, H. Aydin, E. Kaya

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Abstract

This study used the powder metallurgy method to produce particle-reinforced hybrid Al metal matrix composites (HAMMCs). The synergistic effects of adding graphite-TiO₂ and ZrO₂ reinforcement to the Al matrix on the microstructure development, hardness, and wear behavior of hybrid aluminum metal matrix composites were researched. Hybrid composite samples produced after sintering, phase and microstructure analysis, density measurement, hardness, and wear behavior have been studied experimentally. Microstructural observation shows reinforcements are partially homogeneously distributed in the Al matrix. Dual-oxide reinforcement improved hardness more remarkably than mono-oxide reinforcement in the produced samples. The highest hardness value is obtained in the Al–5% TiO₂ + 5% ZrO₂ + 2% C composite. The lowest COF values of composite samples are obtained with dual-oxide reinforcement. Al–5% TiO₂ + 5% ZrO₂ + 2% C composite has the highest wear resistance.

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自润滑陶瓷增强铝基复合材料摩擦学性能评价

采用粉末冶金方法制备了颗粒增强杂化铝基复合材料。研究了Al基体中添加石墨- tio2和ZrO2增强剂对杂化铝金属基复合材料显微组织发展、硬度和磨损性能的协同效应。对烧结后制备的杂化复合材料试样进行了相和显微组织分析、密度测量、硬度和磨损性能的实验研究。显微组织观察表明，增强体部分均匀分布在Al基体中。在生产的样品中，双氧化物增强比单氧化物增强更显著地提高了硬度。Al-5% TiO2 + 5% ZrO2 + 2% C复合材料的硬度值最高。复合材料样品的COF值以双氧化物增强为最低。Al-5% TiO2 + 5% ZrO2 + 2% C复合材料的耐磨性最高。

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来源期刊

Russian Journal of Non-Ferrous Metals METALLURGY & METALLURGICAL ENGINEERING-

CiteScore

1.90

自引率

12.50%

发文量

审稿时长

3 months

期刊介绍： Russian Journal of Non-Ferrous Metals is a journal the main goal of which is to achieve new knowledge in the following topics: extraction metallurgy, hydro- and pirometallurgy, casting, plastic deformation, metallography and heat treatment, powder metallurgy and composites, self-propagating high-temperature synthesis, surface engineering and advanced protected coatings, environments, and energy capacity in non-ferrous metallurgy.