Study of Surface Characteristic with Microwave Plasma Treated Amorphous Alloy Coating
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摘要: 通过微波等离子体处理方法对Ni-W、Ni-W-B非晶态合金镀层表面进行改性的研究,测量了表面改性对非晶态镀层耐蚀性、表面成分及结构的影响.结果表明,经过微波等离子体处理过的Ni-W、Ni-W-B非晶态合金镀层,提高了在H2SO4、HNO3溶液中的耐蚀性以及在700℃环境下的抗氧化性能;微波等离子体处理过的非晶态合金镀层表面含W量和含O量相对提高了;镀层结构仍然是非晶态.Abstract: Ni-W,Ni-W-B amorphous alloy coating is modified by means of microwave plasma treatment and the effect of the modification on the structure,surface component ,corrosion and oxidation resistance of Ni-W,Ni-W-B amorphous alloy coating is studied. The results show the corrosion-resistance (in H2SO4,HNO3 solution) and the high temperature oxidation-resistance (700℃) of the modified amorphous alloy coating are improved .The contents of tungsten and oxygen element in the modified amorphous alloy coating are increased and the structure of plasma modified Ni-W,Ni-W-B alloy coating is still amorphous.
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Key words:
- plasma application /
- amorphous alloys /
- surface /
- corrosion /
- electro-deposition /
- coating films
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