Translucent Y3Al5O12 : the influence of process parameters

F.J.C.M. Toolenaar, G. de With

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

3 Citations (Scopus)

Abstract

The influence of process parameters on the properties of yttrium aluminium garnet (YAG) ceramics was studied. YAG powders were prepared by a wet-chemical route and the compacts sintered in vacuum or hydrogen. Vibrating and sieving were identified as desagglomeration steps. In order to obtain a proper ceramic material, the powder should be calcined above a certain minimum temperature and, after compaction, sintered at a certain optimum temperature. The vacuum-sintered ceramics contained aluminium-rich inclusions. In contrast, in YAG sintered in hydrogen these inclusions could not be detected by X-ray diffraction. Furthermore, an improvement in mechanical properties as compared with those of the vacuum-sintered material was obtained. The results are discussed in terms of the microstructural characteristics.

Original languageEnglish
Title of host publicationSpecial ceramics 8 : meeting, London, 18-20 September 1985
EditorsS.P. Howlett, D. Taylor
Place of PublicationStoke-on-Trent
PublisherThe Institute of Ceramics
Pages241-246
Number of pages6
Publication statusPublished - 1 Oct 1986
Externally publishedYes

Publication series

NameBritish Ceramic Proceedings
Volume37
ISSN (Print)0268-4373

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