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Plasma-sprayed ceramic coatings for SiAlON ceramics
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UNSPECIFIED (1996) Plasma-sprayed ceramic coatings for SiAlON ceramics. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, 16 (10). pp. 1133-1139. ISSN 0955-2219.
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Abstract
Plasma-sprayed coatings of yttria-stabilized ZrO2 and Al2O3.TiO2 used as a protective barrier on beta-Si3N4-based sialon ceramics were investigated. The coatings showed better cohesion with the pre-oxidized surfaces due to the reaction between the SiO2-rich oxidation layer and the coating materials. Formation of low thermal expansion zircon and aluminium titanate on the pre-oxidized ceramic was studied using scanning electron microscopy and X-ray diffraction. Preliminary experiments on oxidation and molten metal immersion, showed that the coatings provide significant protection against oxidation and molten metal attack. (C) 1996 Elsevier Science Limited.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TP Chemical technology | ||||
Journal or Publication Title: | JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | ||||
Publisher: | ELSEVIER SCI LTD | ||||
ISSN: | 0955-2219 | ||||
Official Date: | 1996 | ||||
Dates: |
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Volume: | 16 | ||||
Number: | 10 | ||||
Number of Pages: | 7 | ||||
Page Range: | pp. 1133-1139 | ||||
Publication Status: | Published |
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