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Gefügeeinstellung beim Mikrowellensintern von Al₂O₃

Title data

Vodegel, Stephan ; Hannappel, C. ; Willert-Porada, Monika:
Gefügeeinstellung beim Mikrowellensintern von Al₂O₃.
In: Metall. Vol. 48 (January 1994) Issue 3 . - pp. 206-210.
ISSN 0026-0746

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Abstract in another language

Microwave sintering (2,45 GH) of high purity alumina (>98%) yields different microstructures as compared to conventional sintering methods. However the occurence of such «microwave effects» as, e.g., significantly decreased sintering or reaction temperatures, is connected to certain experimental conditions. A systematic investigation of the late stage sintering using different sintering parameters and additives has been undertaken in order to identify the origin of microwave effects. The main effect is caused by aliovalent additives, which display some solubility in Al2O3. Grain boundary segregation of secondary phases discriminates this microwave effect

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Oxide ceramics; Alumina; Aluminium oxide; Manufacturing; Sintering; Microwave
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Ehemalige Professoren > Chair Materials Processing - Univ.-Prof. Dr. Monika Willert-Porada
Faculties
Faculties > Faculty of Engineering Science > Ehemalige Professoren
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 500 Natural sciences
600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 24 Aug 2017 06:48
Last Modified: 08 Feb 2018 10:09
URI: https://eref.uni-bayreuth.de/id/eprint/11811