• Proceedings of the Materials Research Society of Korea Conference
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• 2007.11a
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• pp.15.2-15.2
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• 2007

• Proceedings of the Korean Vacuum Society Conference
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• 2008.02a
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• pp.173-173
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• 2008

• Proceedings of the Korean Institute of Surface Engineering Conference
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• 2018.06a
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• pp.117-117
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• 2018

• Proceedings of the Korean Vacuum Society Conference
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• 2008.08a
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• pp.250-250
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• 2008

• Proceedings of the Korean Vacuum Society Conference
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• 2008.08a
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• pp.252-252
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• 2008

• Proceedings of KOSOMES biannual meeting
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• 2017.04a
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• pp.258-258
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• 2017

• Proceedings of the Materials Research Society of Korea Conference
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• 2004.05a
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• pp.32-32
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• 2004

• Journal of the Korean institute of surface engineering
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• v.17 no.4
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• pp.99-105
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• 1984

Integral coloring of aluminum and its alloy with the elecrolytic solution of sulfosallicylic acid and sodium hydroxide was investigated in this study. Addition of hydrogen peroxide and potassium permanganate accelerated the anodizing speed and deepened the color of anodized film. Electron microscopic study was also performed on the surface and cross section.

• Corrosion Science and Technology
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• v.19 no.5
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• pp.259-264
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• 2020

Many studies have been conducted to improve the corrosion resistance and durability of various aluminum alloys through the anodizing technique. It is already used as a unique technique for enhancing the properties of aluminum alloys in various industries. This paper investigated the electrochemical corrosion and stress corrosion cracking characteristics of anodized aluminum 5083-H321 alloy in natural seawater. The corrosion characteristics were assessed by the electrochemical technique and potentiodynamic polarization test. The stress corrosion cracking characteristic was evaluated with a slow strain rate tensile test under 0.005 mm/min rate, which showed that the hard anodizing film had a thickness of about 16.8 ㎛. Although no significant characteristics of stress corrosion cracking were observed in the slow strain rate test, the anodized specimen presented excellent corrosion resistance. The corrosion current density was measured to be approximately 4.2 times lower than that of the base material, and no surface damage was observed in the anodic polarization test.

• Laser Solutions
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• v.17 no.2
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• pp.5-10
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• 2014

Aluminum has been widely used in the electric applications because of light metals. When mechanical element is periodically moving with contacting other surfaces, the anodizing process for aluminum is useful for avoiding the abrasive damage. The anodized element has quietly different characteristics with respect to the distribution of hardness and crystal structure. In this work, the laser drilling of anodized surface is studied experimentally. Fusion drilling method - laser drilling with inert gas blowing - is used. The effect of various process parameters (gas pressure, laser power, focus position) is investigated with respect to the hole size and circularity.