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- Title
CAVITATION EROSION RESISTANCE OF Ni-Co BASED COATINGS.
- Authors
Szala, Mirosław; Hejwowski, Tadeusz; Lenart, Iwona
- Abstract
The Ni-Co based coatings were performed by means of PTA method from Ni-based and Co-based powders. The cavitation erosion resistance of Ni-Co specimens and reference sample in deionized water was determined by the ultrasonic vibration system. The microstructure, as well as mechanism of cavitation erosion of coating was examined by using SEM and LOM. The main mechanism of erosion is cracking and spalling at the boundary of dendrites and eutectics. Coatings exhibit higher cavitation erosion resistance than the reference sample. Therefore, they could be applied to repair and protect pump elements from cavitation wear.
- Subjects
NICKEL alloys; CAVITATION erosion; METAL coating; MECHANICAL wear; METAL powders; EUTECTICS; SCANNING electron microscopes
- Publication
Advances in Science & Technology Research Journal, 2014, Vol 8, Issue 21, p36
- ISSN
2080-4075
- Publication type
Article
- DOI
10.12913/22998624.1091876