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

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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.

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Periodical:

Advanced Materials Research (Volumes 26-28)

Edited by:

Young Won Chang, Nack J. Kim and Chong Soo Lee

Pages:

1361-1364

Citation:

V. H. Nguyen et al., "Study on the Properties of Chromium Matrix Composite Plated with Nanosized Diamond Powders", Advanced Materials Research, Vols. 26-28, pp. 1361-1364, 2007

Online since:

October 2007

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$38.00

[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.

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