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| Home > Publications database > Cavitation resistant NiTi coatings with pseudoelastic properties produced by low pressure plasma spraying (LPPS) |
| Proceedings | FZJ-2013-03268 |
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2012
EPMA
Shrewsbury
ISBN: 978-1-899072-36-1
Abstract: Cavitation might cause significant wear in technical applications like turbine blades or pump components. Microstructure damage induced by surface fatigue reduces the lifetime and enlarges the service costs. Coating of exposed surfaces by wear resistant materials would be a highly attractive solution for extending lifetime of related systems. NiTi is a promising candidate for such applications, showing a strongly pronounced damping behaviour due to its pseudoelastic properties. In the present work, NiTi layers were produced by Vacuum Plasma Spraying (VPS) starting from prealloyed NiTi-powder. The cavitation resistance depending on VPS Parameters, surface treatment and layer thickness was investigated. The study was accompanied by characterization of microstructure and phase transformation behaviour.
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