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Coatings 2018, 8(1), 20; https://doi.org/10.3390/coatings8010020

Damping Properties of Arc Ion Plating NiCrAlY Coating with Vacuum Annealing

1
Key Laboratory of Vibration and Control of Aeronautical Equipment, Ministry of Education, Northeastern University, Shenyang 110819, China
2
Institute of Technology, Shenyang Radio and TV University, Shenyang 110004, China
*
Author to whom correspondence should be addressed.
Received: 5 December 2017 / Revised: 26 December 2017 / Accepted: 28 December 2017 / Published: 3 January 2018
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Abstract

NiCrAlY coating was prepared on a stainless steel substrate by an arc ion plating machine and the annealing experiments were carried out at different temperatures using a tube furnace. The effects of annealing temperatures on the morphology, structure, chemical composition and phase structure of the coating were characterized by SEM, EDS and XRD, respectively. The change of microstructure is discussed. Dynamic mechanical analyzer results determined the suitable annealing temperature for the best damping performance. The effect of annealing temperature on the microstructure and damping properties of NiCrAlY coating are also discussed. The relationship between annealing temperature and damping properties are explained by microstrcuture, grain size and phase structure. View Full-Text
Keywords: damping property; NiCrAlY; annealing; microstructure damping property; NiCrAlY; annealing; microstructure
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Du, G.; Tan, Z.; Li, G.; Ba, D.; Liu, K. Damping Properties of Arc Ion Plating NiCrAlY Coating with Vacuum Annealing. Coatings 2018, 8, 20.

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