文化大學機構典藏 CCUR:Item 987654321/49511
English  |  正體中文  |  简体中文  |  全文笔数/总笔数 : 47225/51091 (92%)
造访人次 : 13989187      在线人数 : 334
RC Version 6.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
搜寻范围 查询小技巧：
  • 您可在西文检索词汇前后加上"双引号"，以获取较精准的检索结果
  • 若欲以作者姓名搜寻，建议至进阶搜寻限定作者字段，可获得较完整数据
    •  进阶搜寻
    主页 ‧ 登入 ‧ 上传 ‧ 说明 ‧ 关于CCUR ‧ 管理 到手机版


    jsp.display-item.identifier=請使用永久網址來引用或連結此文件: https://irlib.pccu.edu.tw/handle/987654321/49511


    题名: Effects of processing parameters on the adhesion and corrosion resistance of oxide coatings grown by plasma electrolytic oxidation on AZ31 magnesium alloys
    作者: Lou, BS (Lou, Bih-Show)
    Yen, CA (Yen, Chien-An)
    Chen, YY (Chen, Yen-Yu)
    Lee, JW (Lee, Jyh-Wei)
    贡献者: 化材系
    关键词: Plasma electrolytic oxidation
    AZ31 Mg alloy
    Pulsed bipolar mode
    Taguchi method
    Corrosion resistance
    Nanoindentation
    Adhesion
    日期: 2021-01
    上传时间: 2021-04-24 14:15:08 (UTC+8)
    摘要: In this work, the plasma electrolytic oxidation (PEO) process using a pulsed bipolar direct current (DC) power supply and sodium aluminate-based electrolyte was employed to grow the oxide layer on the AZ31 Mg alloy. For achieving a higher adhesion or a better corrosion resistance of oxide layer, the Taguchi L9 orthogonal array was adopted to determine the optimal PEO parameters, including anode on-time, anode current setting, cathode current setting, and cathode on-time. According to the signal-to-noise ratio and analysis of variance, the anode on-time was the most important control factor for improving adhesion and corrosion resistance properties of oxide coatings. The surface morphologies of all oxide coatings were typical crater-like microstructures. The oxide layer thickness can be increased by longer anode on-time and higher anode current. The hardness of the oxide layer was between 12.7 and 17.7 GPa due to the formation of MgAl2O4 phase. Through the confirmation experiments using the optimized PEO processing parameters, the maximum adhesion critical load of 41.8 N can be obtained. On the other hand, the highest polarization resistance of 6.68 x 103 k Omega cm2 was achieved, which was 6485 times better than the bare AZ31 substrate due to its compact microstructure, and a dense and continuous inner barrier layer at the coating/substrate interface. (C) 2021 The Authors. Published by Elsevier B.V.
    關聯: JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T 卷冊: 10 頁數: 1355-1371
    显示于类别:[化學工程與材料工程學系暨碩士班] 期刊論文

    文件中的档案:

    档案 描述 大小格式浏览次数
    index.html0KbHTML486检视/开启


    检视Licence

    在CCUR中所有的数据项都受到原著作权保护.

    DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - 回馈