纯铝表面ZrO2复合微弧氧化膜层制备及性能研究  

Preparation and Performance of Composite MAO Film with Nano-ZrO2 Particles on Pure Aluminum Alloy

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作  者:欧阳小琴 周琳燕 余斌[2] 万莹[2] 张斌斌[2] 胡水莲[3] 冯长杰[3] OUYANG Xiaoqin, ZHOU Linyan, YU Bin, WAN Ying, ZHANG Binbin, HU Shuilian, FENG Changjie( 1. Physical & Chemical Test Center, AVIC Jiangxi Hongdu Aviation Industry Group Co. Ltd., Nanchang 330024, China 2. Department of Science and Technology, AVIC Jiangxi Hongdu Aviation Industry Group Co. Ltd., Nanchang 330024, China 3. School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China)

机构地区:[1]中航工业江西洪都航空工业股份有限公司理化测试中心,南昌330024 [2]中航工业江西洪都航空工业股份有限公司科技部,南昌330024 [3]南昌航空大学材料学院,南昌330063

出  处:《科技导报》2014年第22期73-76,共4页Science & Technology Review

基  金:中航工业江西洪都航空工业股份有限公司科研项目(2014-01-27)

摘  要:以纯铝为基材,在微弧氧化电解液中添加不同含量的纳米ZrO2颗粒进行微弧氧化,制备了ZrO2复合微弧氧化膜层。采用SEM和EDS观察并分析微弧氧化复合膜层表面形貌和膜层成分,研究不同含量纳米ZrO2颗粒的添加对微弧氧化复合膜层硬度和耐蚀性的影响。结果表明,微弧氧化膜及其复合膜层表面粗糙不平,纳米ZrO2颗粒的添加使得微弧氧化复合膜层裂纹减少。孔径减小,硬度和耐蚀性提高。In this paper, aluminum is used as substrate and micro-arc oxidation (MAO) films are prepared on pure aluminium in theelectrolyte with ZrO2 particles. The surface morphologies and composition of micro-arc oxidation composite film are investigated bymeans of SEM and EDS. This paper studies the effects of nano-particle ZrO2 added in micro-arc oxidation composite film on themicrohardness and corrosion resistance of the film. The results show that the surface of micro-arc oxidation film and its compositemembrane are rough, and that the ZrO2 nano-particles which are added in the film can reduce crack, decrease pore size, and improvethe microhardness and corrosion resistance of the micro-arc oxide film.

关 键 词:微弧氧化复合膜层 二氧化锆 硬度 耐蚀性 

分 类 号:TG174.4[金属学及工艺—金属表面处理;金属学及工艺—金属学]

 

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