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Al₂O_3（p）/ZA35锌基复合材料的制备及其磨擦性能

Fabrication and friction properties of Al₂O₍3（p）/ZA35 composite with in-situ process

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【Author】 NIU Yu-chao~(1, 2), BIAN Xiu-fang~2, GENG Hao-ran~2, WANG Wei-min~2 (1. Department of Materials Science and Engineering, Shandong Institute of Architecture and Engineering, Ji′nan 250014, China; Ministry of Education, Shandong University, Ji′nan 250061, China

【机构】山东建筑工程学院材料科学与工程系；山东大学材料液态结构及其遗传性国家教育部重点实验室；山东大学材料液态结构及其遗传性国家教育部重点实验室济南250014；济南250061；济南250061；

【摘要】利用Al2(SO4)3分解,在铝熔体中原位生成Al2O3颗粒。实验结果表明:采用石墨坩埚、电磁搅拌和铝熔体中加入镁的工艺流程,可实现Al2O3颗粒和铝熔体的有效复合,进而制备出Al2O3(p)/ZA35锌基复合材料;与基体合金ZA35相比,复合材料的耐磨减摩性能有了明显的提高。更多还原

【Abstract】 By means of decomposition of Al₂(SO₄₃, Al₂O₃ particles were formed in situ in Al melt. The results show that by using graphite crucible and the method of electromagnetic stirring and adding Mg into Al melt, the combination between Al₂O₃ particles and Al melt is performed effectively. Basing that, Al₂O₍3（p）/ZA35 zinc based composites was fabricated. The friction coefficient and wear resistance of Al₂O₍3（p） /AZ35 zinc based composites were proved to be superior to those of matrix alloy ZA35 obviously.更多还原