Title page for etd-0806116-095704


[Back to Results | New Search]

URN etd-0806116-095704
Author Yu Lee
Author's Email Address No Public.
Statistics This thesis had been viewed 5332 times. Download 0 times.
Department Mechanical and Electro-Mechanical Engineering
Year 2015
Semester 2
Degree Master
Type of Document
Language zh-TW.Big5 Chinese
Title Studies of Electrochemical Abrasive Polishing on the Cylindrical Surface of Aluminum Using Conductive Polymer Tool
Date of Defense 2016-07-25
Page Count 70
Keyword
  • abrasive polishing
  • electro-polishing
  • composite electrolytic abrasive polishing
  • conductive polymer
  • Abstract Pure aluminum is often applied in various advanced industry due to its excellent mechanical properties. Two polishing methods are usually used, including chemical polishing and electro-polishing, but the solutions used by them are generally toxic and not recyclable. In this study, a non-toxic electrolyte is used to conduct the electrolytic polishing and the composite electrolytic abrasive polishing. In the electrolytic experiments for aluminum plate, the phosphoric acid and ethanol solution is the optimal electrolyte to obtain the best surface roughness.
      Three different methods are conducted to polish the cylindrical surface of pure aluminum using a conductive polymer as a cathode, including abrasive polishing, electrolytic polishing, and composite electrolytic abrasive polishing. The effect of load on the surface roughness is investigated in the abrasive polishing experiments. Results show that the optimal surface roughness can achieve Ra=0.076 μm and Rmax=0.53 μm at 0.1 N load with 0.3 μm Al_2 O_3 particles after 6 minutes. In the electrolytic polishing experiments, the optimal surface roughness can achieve Ra=0.086 μm and Rmax=0.61 μm at 0.15 A current after 6 minutes.
      In the composite electrolytic abrasive polishing, the optimal parameters obtained by the abrasive polishing and the electrolytic polishing are selected. Hence, the composite electrolytic abrasive polishing is conducted under 0.1 N load and 0.15 A current with 0.3 μm Al_2 O_3 particles mixed in phosphoric acid and ethanol solution. The surface roughness can achieve Ra=0.053 μm and Rmax=0.48 μm after 6 minutes. This study confirms that both polishing mechanism of abrasive and electrolysis are effective to polish the cylindrical surface of pure aluminum.
    Advisory Committee
  • Chu, Li-Ming - chair
  • Yuh-Ping Chang - co-chair
  • Rong-Tsong Lee - advisor
  • Yuang-Cherng Chiou - advisor
  • Files
  • etd-0806116-095704.pdf
  • Indicate in-campus at 5 year and off-campus access at 99 year.
    Date of Submission 2016-09-08

    [Back to Results | New Search]


    Browse | Search All Available ETDs

    If you have more questions or technical problems, please contact eThesys