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Proceedings 2018, 2(23), 1434; https://doi.org/10.3390/proceedings2231434

Structural Properties Ni20Cr10Al2Y Coatings for Geothermal Conditions

1
Metav-R&D, 31 C.A. Rosetti St., Bucharest 020011, Romania
2
Tehnoid Com Ltd., 48 Baritiu Str., Bucharest 011259, Romania
3
Engineering and Management of Metallic Material.s Production Department, University “Politehnica” Bucharest, 313 Splaiul Independentei, Bucharest 060042, Romania
Presented at the 2nd International Research Conference on Sustainable Energy, Engineering, Materials and Environment (IRCSEEME), Mieres, Spain, 25–27 September 2018.
*
Author to whom correspondence should be addressed.
Published: 8 November 2018
PDF [1914 KB, uploaded 8 November 2018]

Abstract

The chromium carbide hard phases powders are used for the high velocity oxygen fuel (HVOF) coating technique. This paper investigates samples coated with Ni20Cr10Al2Y on carbon steel plates. The coatings were designed to improve the erosion corrosion properties of carbon steel. The specific agglomerated nanosized Cr3C2 particles on the coated layer provide new physical, mechanical and chemical properties. The multilayer composite technique could be successfully used to protect turbine working in geothermal system. The samples were investigated using nanoindentation to determine the coated samples mechanical properties. The experimental procedure involved obtaining X-ray diffraction patterns of the specimens, micro mechanical tests and SEM investigation to provide detailed information about adhesion of protective layers and morphological modifications.
Keywords: multi-composite powders; thermal spray composite deposition; geothermal power plants multi-composite powders; thermal spray composite deposition; geothermal power plants
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Buzaianu, A.; Motoiu, P.; Csaki, I.; Ioncea, A.; Motoiu, V. Structural Properties Ni20Cr10Al2Y Coatings for Geothermal Conditions. Proceedings 2018, 2, 1434.

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