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The Production of Porous Si3N4 Ceramics with 100% β Phase
Published online by Cambridge University Press: 15 February 2011
Abstract
Porous silicon nitride ceramics with open porosity fraction of about 0.25 were obtained by capsule-free hot isostatic pressing from as-received and aqueous Soxlet washed powders. Particle surface modification by aqueous washing increases green density of cold isostatically pressed bodies and leads to a decrease in open pore fraction. At the same time, the α–β transition rate of the treated powder decreases.
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- Copyright © Materials Research Society 1992