ZL101A铝合金表面微弧氧化陶瓷层的摩擦磨损性能
Friction and Wear Properties of Micro-Arc Oxidation Ceramic Layer on ZL101A Alumina Alloy Surface
摘 要
在ZL101A铝合金表面制备了微弧氧化陶瓷层, 采用扫描电镜、X射线衍射仪、显微硬度计、高温摩擦磨损试验机等研究了该陶瓷层的显微组织、物相组成、显微硬度和摩擦磨损性能。结果表明:微弧氧化陶瓷层主要由α-Al2O3和γ-Al2O3相组成, 其层厚约60 μm, 表层疏松、内层致密; 该陶瓷层的平均硬度为1 740.9 HV, 远高于ZL101A铝合金的150.2 HV, 摩擦因数与磨损质量损失均小于ZL101A铝合金的, 其磨损机理主要为磨粒磨损。
微弧氧化
陶瓷层
显微硬度
摩擦磨损
ZL101A aluminum alloy
micro-arc oxidation
ceramic layer
microhardness
friction and wear
Abstract
The micro-arc oxidation layer was prepared on the surface of ZL101A aluminum alloy. The microstructures, phase composition, microhardness and friction and wear properties of the ceramic layer were studied by using the scanning electron microscope, X-ray diffractometer, microhardness tester, high-temperature friction and wear testing machine, etc, the results show that the micro-arc oxidation ceramic layer with the thickness of about 60 μm was composed of α-Al2O3 and γ-Al2O3 phases. The surface layer was loose and inner layer was dense. The average microhardness of the ceramic was 1 740.9 HV, which was much higher than 150.2 HV of ZL101A aluminum alloy. The friction coefficient and wear mass loss were both lower than those of ZL101A aluminum alloy. The abrasive wear was the main friction and wear mechanism.
中图分类号 TG174.44 DOI 10.11973/jxgccl201606022
所属栏目 材料性能及其应用
基金项目 西安市科技计划创新基金“文理专项”资助项目(CXY1443WL11,CXY1443WL25)
收稿日期 2015/8/25
修改稿日期 2016/4/19
网络出版日期
作者单位点击查看
备注边培莹(1980-), 女, 山东济南人, 讲师, 硕士。
引用该论文: BIAN Pei-ying,DAI Jun. Friction and Wear Properties of Micro-Arc Oxidation Ceramic Layer on ZL101A Alumina Alloy Surface[J]. Materials for mechancial engineering, 2016, 40(6): 102～105
边培莹,戴君. ZL101A铝合金表面微弧氧化陶瓷层的摩擦磨损性能[J]. 机械工程材料, 2016, 40(6): 102～105
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