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期刊论文
CATHODIC PROCESS AND WEAR RESISTANCE OF ELECTRO-DEPOSITED RE-Ni-W-P-SiC COMPOSITE COATING
ACTA MFTAL LURGICA SENICA (ENGLISH LETTERS), 2002, 15(4): 369~374,-0001,():
Cathodic dcpasition current density of the composite coatinqs increases rnhen SiC par-ticles and rure earth (RE) were added in the bath, which is profitable for Ni-W-P alloy to deposiLinthe cathod, forming Ni-W-P-SiC and RE-Ni-W-P-SiC composite coat-ings. On the contrary, the addztzono,PTFEin the bath decreases cathodic deposition current density of the coatinqs. The current density increases a little,when the amount of RE is 7-9g/l; howerrer, the current density increases greatly when the amorirrt of RE is increased to11-13g/l. But if the amount of RE is raised further, the current density decreases. Hardness and wear resistance of RE-Ni-W-P-SiC corrtpoHite coat-irtg have been studied, and the resttlts shovr that the hardness and wear resistcince of RE-Ni-W-P-SiC. composite coatzng invrense tvith increasing heat treatment tempera-ture, tnhich reach peak vatues at 400℃; while the hardness and wear resistance of the cuatiag decrease with the rise of heat treated temperature continuously.
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