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]. Metal Finishing Guideline, 1978, 76(1): 175-183. [5] MAHALLAWY N E L, BAKKAR A, SHOEIB M, PALKOWSKI H, NEUBERT V. Electroless Ni-P coating of different magnesium alloys [J]. Surface and Coatings...]. The Chinese Journal of Nonferrous Metals, 2007, 17(5): 789-794. (in Chinese) [7] RAJAN AMBAT, ZHOU W. Electroless nickel-plating on AZ91D magnesium alloy: Effect of substrate microstructure and plating......
): 239-243. LIU Jiaqin, WU Yucheng, XUE Rujun. Electroless plating Ni-Co-P alloy on the surface of fly ash cenosphere[J]. Acta Physico-Chimica Sinica, 2006, 22(2): 239-243. [4] 徐坚, 熊惟皓, 曾爱香. 银催化化学镀合金包覆空心微... in the absence of Sn. Finally, a compact and continuous Ni-P amorphous alloy was deposited on PVC surface. The effect of thickness of hydrogel film on morphology of the as-obtained layer was investigated......
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on chemical composition, structure and crystalline phase. 2) During heating, the amorphous alloy in electroless Ni-P-SiC composite coatings crystallizes, and then reacts with SiC at high temperature. 3) The micro-hardness of electroless Ni-P-SiC composite coatings is higher than that of Ni-P alloy coating due to the existence of SiC particles, and the micro-hardness HV50 reaches to the maximum......
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) were wet-milled in the presence of ammonia and cationic surfactant and then used as reinforcements to prepare Ni-P-MWNTs composite coatings by electroless plating. The tribological performances... lubricant during the wear process. Key words: Ni-P coating; carbon nanotubes; composite coating; ball milling; electroless plating; self-lubrication; tribological performance; friction coefficient; volume......
Effect of Rare Earth Metals on Structure and Properties of Electroless Co-B Alloy Coating 宣天鹏1,张雷1,黄秋华1 (1.Material Institute Hefei University of Technology, Hefei 230009, China) Abstract:The effect of rare earth metals cerium, lanthanum and yttrium on chemical composition, structure and properties of electroless Co-B alloy coating was studied. By plasma transmitting spectrograph, electron......
investigated to clarify the initial deposition behavior during electroless Ni-P coating. Zn-Zr and Mg-Ce precipitates exist on ZK60 and ME20 alloy surfaces, respectively [20,21]. The number... process of electroless Ni-P coating on the ZK60 alloy. Three findings were obtained. Firstly, after the substrate was corroded, a large number of precipitates were exposed on the surface. Owing......
-P-Al2O3 alloy[D]. Harbin: Harbin Institute of Technology, 2009: 40-41. [23] ALIREZAEI S, MONIRVAGHEFI S M, SALEHI M, SAATCHI A. Wear behavior of Ni-P and Ni-P-Al2O3 electroless coatings[J]. Wear, 2007.... Compared those of the coatings tested at lower temperature, a higher wear rate and a lower friction coefficient of the coatings are obtained under higher test temperature. Key words: Nano-Al2O3; Ni-P alloy......
with a metal matrix, such as Ni or Cu and its alloys [3,4]. The Ni-P alloy coatings fabricated by electroless plating have been widely applied into chemical, mechanical and electronic industries because... shearing easily. Key words: electroless composite coating; Ni-P coating; graphite; SiC; tribological property; self-lubrication; synergic effect 1 Introduction Composite coatings have various properties......