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Characterization of Microarc Oxidation Process on Aluminum Alloy |
| WU Han-Hua1,2;JIN Zeng-Sun1;LONG Bei-Yu2;YU Feng-Rong1;LU Xian-Yi1 |
| 1State Key Laboratory for Superhard Materials, Jilin University, Changchun 130021
2College of Physics, Jilin University, Changchun 130021
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| Cite this article: |
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WU Han-Hua, JIN Zeng-Sun, LONG Bei-Yu et al 2003 Chin. Phys. Lett. 20 1815-1818 |
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Abstract The specific features of electric current variation against time were studied by keeping the anode and cathode pulse voltage to be constant. The maximum thickness of the films fabricated by microarc oxidation was found to be closely related to the voltage. The surface morphology of the coatings can be divided into different stages according to the variation of electric current. A method for obtaining high micro hardness coating has been discussed.
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| Keywords:
68.55.-a
61.10.-i
84.37.+q
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Published: 01 October 2003
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| PACS: |
68.55.-a
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(Thin film structure and morphology)
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61.10.-i
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84.37.+q
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(Measurements in electric variables (including voltage, current, resistance, capacitance, inductance, impedance, and admittance, etc.))
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