Consolidation of Eutectic Powder of Al2O3-GdAlO3

A eutectic solid of Al2O3–GdAlO3 was prepared by arc discharge and crushed to a eutectic powder of 3–125 μm. The powder was consolidated by the spark plasma system (SPS). The consolidated powder duplicated the eutectic structure: Al2O3 and GdAlO3 were joined to each crystal. There were no flaws such...

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Bibliographic Details
Published inJournal of the American Ceramic Society Vol. 83; no. 11; pp. 2878 - 2880
Main Authors Omori, Mamoru, Isobe, Toshinori, Hirai, Toshio
Format Journal Article
LanguageEnglish
Published Westerville, Ohio American Ceramics Society 01.11.2000
Blackwell
Subjects
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
composites
eutectics
Exact sciences and technology
Miscellaneous
plasma
Technical ceramics
Plasma
Spark discharge
Eutectic
Powder compaction
Manufacturing
Experimental study
Alumina
Oxide ceramics
Gadolinium Oxides
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Summary:A eutectic solid of Al2O3–GdAlO3 was prepared by arc discharge and crushed to a eutectic powder of 3–125 μm. The powder was consolidated by the spark plasma system (SPS). The consolidated powder duplicated the eutectic structure: Al2O3 and GdAlO3 were joined to each crystal. There were no flaws such as cracks or pores in the eutectic composite. The bending strength was half that of the eutectic composite prepared by unidirectional solidification.
Bibliography:ark:/67375/WNG-TST6LNWL-T
ArticleID:JACE2878
istex:7BD75CCB354FEA6E568729F457B7A14C88F9B7DF
J. W. Halloran—contributing editor
Supported by the Ministry of Education, Science, and Culture under a Grant‐in Aid for Scientific Research on Priority Areas (B) (No. 11221203, “Harmonic Material Design of Multi‐Functional Composites”).
Member, American Ceramic Society.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.2000.tb01652.x