Study on the Properties of Chromium Matrix Composite Plated with Nanosized Diamond Powders

Author:

Nguyen Viet Hue1,Hoang Thi Nam1,Kwon Sik Chol2,Kim Man2,Lee Joo Yul2

Affiliation:

1. Institute of Materials Science

2. Korea Institute of Machinery and Materials

Abstract

A study on chromium matrix composite plated with nanosized diamond powders was undertaken by employing a standard Sargent bath. Chromium matrix composite plated with nanosized diamond powders manifested super properties. The microhardness was varied from 890 to 920 HV (load 25 g/f), as compared with 801 HV of pure chromium; the wear resistance was increased 3-4 times. The potentiodynamic measurement in a chloride medium showed that the passive current of chromium matrix composite plated with nanosized diamond powder was 6 times as lower as that of pure chromium. Microscopic observation indicated that nano-diamond powders were included in the chromium deposit in the form of single and multi crystalline.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference3 articles.

1. L. Benea, et al, 13 ICC, Spain, Plenary Lecture, 2003, 1-12.

2. Mandich N.V. and Dennis J.K. Plating and Surface Finishing, June 2001, 17-119.

3. Nguyen N.P., Ngo T.A.T., Do C.L., Nguyen V.H., Kwon S.C. Kim M., Lee J. Y, Metals and Materials International, Vol. 12, No6 (2006), pp.493-496 Fig. 2. Polarization curves of chromium (--) and chromium matrix composite ( ─ ) in 3. 5% NaCl.

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Cr/nanodiamond composite plating with cobalt cation additive;Transactions of Nonferrous Metals Society of China;2009-08

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