Al 2 O 3 as feedstock were deposited on AZ91D magnesium alloy substrates by cold spray (CS). The content of a-Al 2 O 3 in the feedstock was 25 wt.% and 50 wt.%, respectively. The effects of a-Al 2 O 3 on the porosity, microhardness, adhesion and tensile strength of the coatings were studied. Electro
Effect of the substrate temperature on properties of plasma sprayed Al2O3 coatings
β Scribed by Ozkan Sarikaya
- Publisher
- Elsevier Science
- Year
- 2005
- Weight
- 271 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0261-3069
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Young's modulus and hardness were determined by depth sensing indentation in plasma sprayed Al 2 O 3 -13% TiO 2 nanocoatings. Results were compared to conventional coatings and the relevance of the nanostructure was analyzed. An indentation size effect was observed. Data provided by indentation test
The present work deals with the preparation of stable alumina + silica suspensions with high solid loading for the production of spray-dried composite powders. These composite powders are to be used for reactive plasma spraying whereby the formation of mullite and the coating on a ceramic substrate