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RISSCrack-Free hard chrome deposits of about HR_(60) was investigated through the experiment of current efficiency, hardness, corrosion test, surface morphology observation and X-ray diffraction analysis. The results obtained are summarized as follows; 1)...
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RISS 인기검색어
부가정보
다국어 초록 (Multilingual Abstract)
Crack-Free hard chrome deposits of about HR_(60) was investigated through the experiment of current efficiency, hardness, corrosion test, surface morphology observation and X-ray diffraction analysis. The results obtained are summarized as follows;
1) Cathode current efficiency was increased with raising bath temperature.
2) In type-II solution at 60A/dm², chrome deposits showed crack-free surfaces and the highest Hv 900 values.
3) In the corrosion test with type-II solution, chrome deposits showed the best results.
4) The effect of type-II additives on leveling, brightness and crack-free properties of hard chrome deposits appeared most valuable through SEM micrographs.
5. X-ray diffracted single peak was showed after heat treatment at 400℃ and 800℃ of hard chrome deposits.
1) Cathode current efficiency was increased with raising bath temperature.
2) In type-II solution at 60A/dm², chrome deposits showed crack-free surfaces and the highest Hv 900 values.
3) In the corrosion test with type-II solution, chrome deposits showed the best results.
4) The effect of type-II additives on leveling, brightness and crack-free properties of hard chrome deposits appeared most valuable through SEM micrographs.
5. X-ray diffracted single peak was showed after heat treatment at 400℃ and 800℃ of hard chrome deposits.
Crack-Free hard chrome deposits of about HR_(60) was investigated through the experiment of current efficiency, hardness, corrosion test, surface morphology observation and X-ray diffraction analysis. The results obtained are summarized as follows;
1) Cathode current efficiency was increased with raising bath temperature.
2) In type-II solution at 60A/dm², chrome deposits showed crack-free surfaces and the highest Hv 900 values.
3) In the corrosion test with type-II solution, chrome deposits showed the best results.
4) The effect of type-II additives on leveling, brightness and crack-free properties of hard chrome deposits appeared most valuable through SEM micrographs.
5. X-ray diffracted single peak was showed after heat treatment at 400℃ and 800℃ of hard chrome deposits.
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