High toughness TiB2–Al2O3composite ceramics produced by reactive hot pressing with fusible components

Yu. Popov, A, Sivak, AA, Yu. Borodianska, H and Shabalin, IL 2015, 'High toughness TiB2–Al2O3composite ceramics produced by reactive hot pressing with fusible components' , Advances in Applied Ceramics, 114 (3) , pp. 178-182.

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Abstract

A manufacturing method of high toughness TiB2–Al2O3 ceramic composites by reactive hot pressing via exothermic reactions with Al, B2O3, C and TiB2 has been developed. The usage of fusible initial components (Al and B2O3) in the hot pressing procedure allowed forming dense ceramics with homogeneous fine structure at 1900°C and 20 MPa (after 8 min exposure) without any grinding of the initial powders. The hot pressed TiB2–Al2O3 composites exhibit the fracture toughness of 9 MPa m1/2, which is much higher than that of both single phase TiB2 (6 MPa m1/2) and Al2O3 (4 MPa m1/2) ceramics.

Item Type: Article
Schools: Schools > School of Computing, Science and Engineering > Salford Innovation Research Centre (SIRC)
Journal or Publication Title: Advances in Applied Ceramics
Publisher: Taylor & Francis
ISSN: 1743-6753
Related URLs:
Depositing User: Robert Shaw
Date Deposited: 26 Oct 2016 14:35
Last Modified: 26 Oct 2016 14:35
URI: http://usir.salford.ac.uk/id/eprint/40467

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