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EFFECT OF PLASMA TREATMENT ON CORROSION RESISTANCE OF AMORPHOUS Ni-BASED ALLOY COATINGS |
ZHU Li-qun ZHONG Qun-peng SUGIYAMA Kazuo(Department of Material Science and Engineering; BUAA; Beijing 100083) (Department of Applied Chemistry; Faculty of Engineering; Saitama University; Japan) |
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Abstract The effect of microwave plasma treatment on corrosion resistance of Ni-base amorphous alloy coatings (Ni-W, Ni-W-B, Ni-Mo-P) was investigated. It was found that the treatment improved their corrosion resistance in H2SO4, HNO3, HC1 solutions. The microwave plasma treated ammorphous Ni-W composite coatings (with 5wt% ZrO2 or Al2O3 particles) exhibited higher oxidation resistance during the heating at 700℃ for l-28h. As anodic polarization curve indicated, the microwave plasma treated amorphous Ni-W composite coating had wider passivity potential range. The corrosion resistance of Ni-base amorphous alloy coating was dependent on the power and time of microwave plasma treatment.
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Received: 25 February 1998
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Cite this article:
ZHU Li-qun ZHONG Qun-peng SUGIYAMA Kazuo(Department of Material Science and Engineering; BUAA; Beijing 100083) (Department of Applied Chemistry; Faculty of Engineering; Saitama University; Japan). EFFECT OF PLASMA TREATMENT ON CORROSION RESISTANCE OF AMORPHOUS Ni-BASED ALLOY COATINGS. J Chin Soc Corr Pro, 1998, 18(1): 67-71.
URL:
https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1998/V18/I1/67
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