Laser Post Annealing of Cold-Sprayed Al–Ni Composite Coatings for Green Energy Tasks

Pavel Anatolyevich Podrabinnik; Igor Vladimirovich Shishkovsky

doi:10.4028/www.scientific.net/MSF.834.113

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Laser Post Annealing of Cold-Sprayed Al–Ni Composite Coatings for Green Energy Tasks
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HomeMaterials Science ForumMaterials Science Forum Vol. 834Laser Post Annealing of Cold-Sprayed Al–Ni...

Laser Post Annealing of Cold-Sprayed Al–Ni Composite Coatings for Green Energy Tasks

Abstract:

In this paper the principal feasibility of using cold gas dynamic spraying with laser post treatment technique to create Al-Ni composite coatings is demonstrated. The prepared mixture of two powders was coated on an aluminum substrate and laser annealed. As a result the Al_xN_y intermetallic phases were observed in the coating. Obtained laser-annealed coatings were studied be means of optical and electron microscopy (SEM), energy dispersive spectroscopy (EDS), X-ray diffractometry and compared with as-sprayed coatings. Effects of laser processing parameters, such as scanning speed, power and beam shape on microstructural evolution of the composite coatings were discussed and optimal regimes for laser assisted CS were determined.

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Periodical:

Materials Science Forum (Volume 834)

Pages:

113-118

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.834.113

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Online since:

November 2015

Authors:

Pavel Anatolyevich Podrabinnik*, Igor Vladimirovich Shishkovsky

Keywords:

Cold Gas Dynamic Spraying, Laser Annealing, NiAl Intermetallides

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