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Title page for etd-0811115-113605


URN etd-0811115-113605 Statistics This thesis had been viewed 794 times. Download 0 times.
Author Yu-Cheng Hsieh
Author's Email Address No Public.
Department Materials Engineering
Year 2014 Semester 2
Degree Master Type of Document Master's Thesis
Language zh-TW.Big5 Chinese Page Count 57
Title Parameter optimization of duplex treatment of MAO coatings and anodic acrylic electrophoretic deposition on AZ61 substrate
Keyword
  • Design of experiment(DOE)
  • Micro-arc oxidation(MAO)
  • E-coating
  • Micro-arc oxidation post treatment
  • Micro-arc oxidation post treatment
  • E-coating
  • Micro-arc oxidation(MAO)
  • Design of experiment(DOE)
  • Abstract Magnesium alloys are lightest in structural alloys, which have many excellent
    properties, such as high thermal conductivity, good electromagnetic shielding
    characteristics, high damping characteristics and good machinability. However,
    magnesium exhibits high chemical activity, leading to easily corrosion limited its application. There are many methods proposed to solve this problem. Micro-arc
    oxidation (MAO) is a kind of surface treatment, growing a ceramic oxide coating on light metals, such as Mg, Al, and Ti, in short time. The MAO coating consists
    condensed and porous layer. The porous layer is often vulnerable to corrosion attack due to some defects. To avert this problem and further enhance the corrosion resistance, anodic arcylic electrophoretic paint coating is employed on AZ61 MAO substrate by electrophoretic deposition. The fractional factorial design and path of steepest ascent study are used to optimize the electrophoretic deposition parameter. Coating was characterized by polarization curves, SEM and salt spray treatment. According to the result, factors influence the thickness of anodic arcylic electrophoretic paint coating are solid content, voltage, MAO treatment time and AIBN concentration in resin.
    Advisor Committee
  • Mu-Rong Yang - advisor
  • Chia-Jung HU - co-chair
  • Chih-Yang Ting - co-chair
  • Files indicate in-campus access at one year and off-campus not accessible
    Date of Defense 2015-06-29 Date of Submission 2015-08-12


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