Effect of Cooling Rate on Mechanical and Electrical Properties of Cu-TiB2 by Turbulent In-Situ Mixing Process

Abstract:

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A copper matrix composite reinforced with in situ TiB2 nanoparticle was successfully fabricated by tubulent in-situ mixing process. The microstructure, mechanical and electrical properties of the in situ composite were investigated. The results showed that the in situ formed TiB2 particles, in which size varying from about 50nm to 200nm, exhibited a homogenous dispersion in the copper matrix. It is shown that the interface between the nanoscale particles and the matrix was clean without a transitional layer. Because of the reinforcement, the hardness and Young’s Modulus of the composite improved with increment of cooling rate. Moreover, the in situ Cu-TiB2 composite exhibited higher electrical conductivity with increasing of cooling rate.

Info:

Periodical:

Solid State Phenomena (Volume 119)

Edited by:

Chang Kyu Rhee

Pages:

135-138

DOI:

10.4028/www.scientific.net/SSP.119.135

Citation:

J.S. Park et al., "Effect of Cooling Rate on Mechanical and Electrical Properties of Cu-TiB2 by Turbulent In-Situ Mixing Process", Solid State Phenomena, Vol. 119, pp. 135-138, 2007

Online since:

January 2007

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Price:

$35.00

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