Structural changes on post-sintered flame-sprayed alumina and alumina-titania
Book
·
OSTI ID:377779
- DEMAT-EE-UFRGS, Porto Alegre (Brazil)
Substrate-free coatings of alumina and alumina-titania produced by oxyacetylene flame-spraying were post-sintered between 1,300 to 1,700 C. The porosity and specific surface area of both coatings initially increased during the sintering, then decreased for higher temperatures. These changes were associated with the solid state transformations followed by post-sintering and thermal stress relaxation. The present phases and microstructure for as-sprayed and post-sintered coatings were examined by X-ray diffraction and scanning electron microscopy.
- OSTI ID:
- 377779
- Report Number(s):
- CONF-9509182--; ISBN 0-87170-541-9
- Country of Publication:
- United States
- Language:
- English
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