Electrodeposition and heat treatment of nickel/silicon carbide composites

被引：53

作者：

Burzynska, Lidia ^{[1
]}

Rudnik, Ewa ^{[1
]}

Koza, Jakub ^{[2
]}

Blaz, Ludwik ^{[3
]}

Szymanski, Wojciech ^{[4
]}

机构：

[1] AGH Univ Sci & Technol, Fac Non Ferrous Metals, Dept Phys Chem & Electrochem, PL-30059 Krakow, Poland

[2] Leibniz Inst Solid State & Mat Res Dresden, D-01171 Dresden, Germany

[3] AGH Univ Sci & Technol, Fac Non Ferrous Metals, Dept Struct & Mech Solids, PL-30059 Krakow, Poland

[4] Inst Non Ferrous Metals, Light Metal Div, PL-32050 Skawina, Poland

来源：

SURFACE & COATINGS TECHNOLOGY | 2008年 / 202卷 / 12期

关键词：

nickel; SiC; composite; electrodeposition; microstructure; heat treatment;

D O I：

10.1016/j.surfcoat.2007.09.020

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Electrodeposited Ni/SiC composite coatings were obtained in a Watts-type bath. The effect of fine SiC particles on polarization curves of the cathodic reduction of nickel ions was discussed. The incorporation of the particles into the deposit with respect to current density and SiC concentration in the bath was tested. Cathodic current efficiencies were also calculated. Structure of as-plated and heat-treated Ni/SiC composites were examined by means of metallography observations as well as scanning and transmission electron microscopy methods. Two phase transformations in the temperatures range of 20-700 degrees C were found. For annealed samples, Ni2Si and Ni3Si2 phases were identified. Hardening of the Ni/SiC composites as a function of the particle content in the deposit and annealing temperature was determined by means of the microhardness testing method. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：2545 / 2556

页数：12

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