플라즈마 전해 산화에 의해 형성된 AZ91 Mg 합금의 산화층에 미치는 전기적 변수의 영향

Title
플라즈마 전해 산화에 의해 형성된 AZ91 Mg 합금의 산화층에 미치는 전기적 변수의 영향
Other Titles
Electrical factors influencing the formation of oxide layer on AZ91 Mg alloy coated by plasma electrolytic oxidation
Author
황인준
Advisor(s)
신동혁
Issue Date
2013-02
Publisher
한양대학교
Degree
Master
Abstract
A study was made to study the formation of oxide layer on AZ91 Mg alloy coated by plasma electrolytic oxidation (PEO) process as functions of various electrical parameters such as frequency, current density, and wave form. The formation of coating layer was characterized by scanning electron microscope and X-ray photoelectron spectroscopy for their structural features and constituent phase fractions, which were strongly influenced by electrical parameters. Optimum conditions suitable for coatability including internal stress, dense layer, and high MgO content were suggested. In addition, the corrosion response of the PEO-treated sample was examined by potentiodynamic polarization and electrochemical impedance tests.
URI
https://repository.hanyang.ac.kr/handle/20.500.11754/134200http://hanyang.dcollection.net/common/orgView/200000421952
Appears in Collections:
GRADUATE SCHOOL[S](대학원) > DEPARTMENT OF METALLURGY & MATERIALS ENGINEERING(금속재료공학과) > Theses (Master)
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