Underwater Explosive Consolidation of Mechanically Milled Al/TiB2 Composites

Abstract:

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Aluminum matrix composites containing10, 20 and 30vol%TiB2 particles were manufactured by underwater shock consolidation method. High energy ball milling was used to produce a homogenous Al matrix composite reinforced by TiB2 powders. Microstructures of recovered compacts were examined by optical microscope. Sintering of the compacts was carried out at 400 C for 70 minutes. Density, hardness and bending strength of the compacts were measured before and after sintering treatment. The sintered composite samples showed better improvement in the bending strength and deflection The sintered Al matrix samples with 20vol%TiB2 showed highest bending strength and high deflection. SEM fractography examination was used for analysis of fracture surfaces of the compacts.

Info:

Periodical:

Edited by:

S. Itoh, J.J. Yoh and K. Hokamoto

Pages:

137-142

DOI:

10.4028/www.scientific.net/MSF.673.137

Citation:

H. Eskandari and K. Hokamoto, "Underwater Explosive Consolidation of Mechanically Milled Al/TiB2 Composites", Materials Science Forum, Vol. 673, pp. 137-142, 2011

Online since:

January 2011

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$35.00

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