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Recent Patents on Materials Science


ISSN (Print): 1874-4648
ISSN (Online): 1874-4656

Reaction-Sintering Process for Preparing Electronic Ceramics

Author(s): Yi-Cheng Loiu

Volume 8 , Issue 3 , 2015

Page: [225 - 238] Pages: 14

DOI: 10.2174/1874464808666150626172915


Electronic ceramics have been widely investigated because of their useful properties for various applications. These ceramics exhibit excellent properties such as dielectric, piezoelectric, semiconducting, pyroelectric, electro-optic, magnetic, and superconducting properties. They are usually produced via the conventional mixed oxide route. Raw materials are mixed before calcining. The calcined powder is then pressed into green pellets. The green pellets are sintered for densification and grain growth. The reaction-sintering process for preparing electronic ceramics is simple and effective. Calcination of the conventional mixed oxide route is conducted in the heating up period. Therefore, the calcination and the following pulverization are bypassed, saving both time and expense. This review paper examines reports about electronic ceramics prepared via the reaction-sintering process and recent patents also.

Keywords: Calcining, direct sintering, electronic ceramics, process, non-calcining process, reaction-sintering sintering.

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