Toughening and strengthening mechanism of plasma sprayed nanostructured Al2O3–13 wt.%TiO2 coatings
✍ Scribed by Wei Tian; You Wang; Yong Yang; Chonggui Li
- Book ID
- 108278580
- Publisher
- Elsevier Science
- Year
- 2009
- Tongue
- English
- Weight
- 746 KB
- Volume
- 204
- Category
- Article
- ISSN
- 0257-8972
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Nanostructured Al 2 O 3 -13 wt.% TiO 2 coating was fabricated by plasma spray with nanocrystalline powders and the microstructures of the feedstock and the coating were characterized by means of XRD, SEM and TEM. It was found that three forms of substructure existed in the coating: one evolving from
The interfacial toughness of two types of Al 2 O 3 -13wt%TiO 2 plasma-sprayed ceramic coatings on steel substrates-"conventional" and "nano"-has been measured using the Rockwell indentation method. The interfacial toughness of the "conventional" coating and the "nano" coating is found to be 22 and 4