Microstructure evolution during sintering of self-propagating high-temperature synthesis produced ZrB2 powder

Mishra, Suman K and Das, Swapan K and Ramachandrarao, P (2002) Microstructure evolution during sintering of self-propagating high-temperature synthesis produced ZrB2 powder. Journal of Materials Research, 17 (11). pp. 2809-2814.

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Official URL/DOI: DOI: 10.1557/JMR.2002.0408

Abstract

A transmission electron microscopy investigation on the microstructure evolution of the sintered compact of zirconium diboride was carried out. Grain boundary phases, structure, and morphology of the grains and defect structures were studied to understand the sintering behavior of these borides. The impurities, such as Fe, were found to stay at the triple junction point as (Fe, Zr)(2)B. Different types of defect structures, such as dislocations, twins, and faceted growth, were observed. No diffusion of Fe into ZrB2 could be observed, but the Zr diffusion into Fe was established.

Item Type: Article
Uncontrolled Keywords: microstructure; microscopy investigation; zirconium; diboride;
Subjects: Materials Science
Divisions: Material Science and Technology
Depositing User: Users 74 not found.
Date Deposited: 25 Jul 2011 12:43
Last Modified: 16 Jul 2014 11:17
URI: http://eprints.nmlindia.org/id/eprint/3580

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