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Title page for etd-0710114-135319


URN etd-0710114-135319 Statistics This thesis had been viewed 1005 times. Download 7 times.
Author Po-Han Chiu
Author's Email Address No Public.
Department Materials Engineering
Year 2013 Semester 2
Degree Master Type of Document Master's Thesis
Language zh-TW.Big5 Chinese Page Count 61
Title Study on preparation of MAO ceramic coating on CP-Ti hot-dip aluminum
Keyword
  • Corrosion resistance
  • TiAl
  • Titanium
  • hot-dip Al
  • Micro arc oxidation
  • Micro arc oxidation
  • hot-dip Al
  • Titanium
  • TiAl
  • Corrosion resistance
  • Abstract The Al2O3 layer on the CP-Ti hot dip aluminum (HDA) can be successfully produced by microarc oxidation (MAO) treatment. The thickness of Al2O3 layer increases with increasing MAO time. However, the growth rate of Al2O3 layer will reach a maximum value around 20 minutes of MAO. The MAO sample prepared for 20 minutes exhibits the best corrosion resistance in 3.5 wt.% NaCl solution. The larger pore size on the surface of the sample prepared for more than 20 minutes can account for the poorer corrosion resistance. The thickness and hardness of Al2O3 layer is critical to the abrasion resistance. The wear resistance of the coatings can be improved significantly with the increase of MAO time, i.e. the thickness of MAO coatings. In this work, the sample prepared for 40 minutes of MAO perform best wear resistance.
    Advisor Committee
  • Mu-Rong Yang - advisor
  • Chia-Rong Hu - co-chair
  • Jeou-Long Lee - co-chair
  • Files indicate in-campus access at one year and off-campus not accessible
    Date of Defense 2014-06-06 Date of Submission 2014-07-10


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