NaOH体系中添加石墨对铝合金微弧氧化层生长及磨损性能的影响

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基金项目:

机械工业技术发展基金(95JA0507)；河北省科学技术研究与发展计划(01212210D)资助项目。

Influence of Graphite Adding to the Solution of Sodium Hydroxide on the Growth and Wear Resistance of the Coatings Formed by Microarc Oxidation on Aluminum Alloys

Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China

摘要: 在NaOH溶液中添加石墨粉末后对LY12铝合金进行了微弧氧化处理。分析了石墨相的含量对微弧氧化陶瓷层生长过程的影响和微弧氧化陶瓷层的相组成,在自制的磨损试验机上测定了陶瓷层和对摩件的耐磨损性能。结果表明,石墨相的引入大大降低了陶瓷层以及对摩件的磨损失重。
- 微弧氧化 /
- 陶瓷层 /
- 耐磨损
Abstract: The LY12 aluminum alloy was treated in sodium hydroxide solution after adding graphite powder. The influence of the graphite content in the solution on the growth principle and the phase composition of the coating was investigated. The wear resistance of the coatings and the counter was also studied. The results showed that a certain amount of graphite becomed the part of the coatings after oxidation, and this greatly reduced the weight loss of the coatings and the counter.
- Microarc oxidation /
- Ceramic coatings /
- Wear resistance