| PROPERTIES OF ELECTRODEPOSITED AMORPHOUS Ni-W-P-SiC COMPOSITE COATINGS |
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| 作者姓名： | GUO Zhongcheng LIU Hongkang WANG Zhiyin WANG Min |
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| 作者单位： | Department of Metallurgy，Kunming institute of Technology，Kunming 650093，China |
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| 摘 要： | ＰＲＯＰＥＲＴＩＥＳＯＦＥＬＥＣＴＲＯＤＥＰＯＳＩＴＥＤＡＭＯＲＰＨＯＵＳＮｉ－Ｗ－Ｐ－ＳｉＣＣＯＭＰＯＳＩＴＥＣＯＡＴＩＮＧＳＧＵＯＺｈｏｎｇｃｈｅｎｇ；ＬＩＵＨｏｎｇｋａｎｇ；ＷＡＮＧＺｈｉｙｉｎ；ＷＡＮＧＭｉｎ（ＤｅｐａｒｔｍｅｎｔｏｆＭｅｔａ...
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| 收稿时间： | 1996-02-25 |
| 修稿时间： | 1996-02-25 |
PROPERTIES OF ELECTRODEPOSITED AMORPHOUS Ni-W-P-SiC COMPOSITE COATINGS |
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| GUO Zhongcheng,LIU Hongkang,WANG Zhiyin,WANG Min.PROPERTIES OF ELECTRODEPOSITED AMORPHOUS Ni-W-P-SiC COMPOSITE COATINGS[J].Acta Metallurgica Sinica(English Letters),1996,9(1):44-48. |
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| Abstract: | The Effects of heat treatment temperature on the hardness,wear resistance and structure of the amorphous Ni-W-P-SiC composite coatings have been investigated.The results show that Ni-W-P-SiC composite coatings are amorphous under 300℃, partially crystalline at 300-400℃,and crystalline when heat treatment temperature reaches 400℃,the crystals being fine Ni3P phase particles.The hardness,wear resistance and the crystallization temperature of the composite coatings increase when an additive is added into the bath.The hardness and wear resistance of the coatings increase with increasing heat treatment temperature,and they will reach their peak values when the heat treatment temperature reaches 400℃.Corrosion experiment indicates that the corrosion resistance of amorphous Ni-W-P-SiC composite coatings in various kinds of corrosive media except nitric acid is better than that of stainless steel 1Cr18Ni9Ti.Scanning electron microscopy observation shows that the additive has no effect on the surface appearance of the coatings,but the current density and the pH value have considerable effects on the surface appearance. |
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| Keywords: | electrodeposition Ni-W-P-SiC composite coating amorphous |
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