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Title of Journal: J Therm Spray Tech

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Abbravation: Journal of Thermal Spray Technology

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Springer US

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DOI

10.1002/mds.25979

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1544-1016

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HighPressure ColdSprayed Ni and NiCu Coatings

Authors: Heli Koivuluoto Andrea Milanti Giovanni Bolelli Luca Lusvarghi Petri Vuoristo
Publish Date: 2013/10/17
Volume: 23, Issue: 1-2, Pages: 98-103
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Abstract

Cold spraying is a promising technique for the production of dense metallic coatings In cold spraying coating formation is through high velocity impacts of solid particles with high kinetic energy During impact particles deform plastically and adhere to the substrate gradually buildingup the coating This makes it possible to form pure and dense coating structures These impermeable coatings are advantageous in many applications such as those where corrosion protection is required Nickel and nickelcopper alloys have good corrosion resistance and therefore as dense coatings have high potential for employment as corrosion barrier layers In this study the structural and corrosion properties of highpressure coldsprayed HPCS Ni and NiCu coatings are characterized NiCu alloys are known to have good corrosion resistance in sulphuric and hydrochloric acids whereas Ni is resistant to caustic soda and alkaline salt solutions This study also shows the effect of heat treatments on coating properties FESEM studies of crosssectional samples reveal structural details of the HPCS coatings while corrosion properties are evaluated with polarization measurements The corrosion behavior of both the bulk and substrate material is determined in order to assess the real corrosion protection potential of the coatings


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  6. High-Temperature Exposure Studies of HVOF-Sprayed Cr 3 C 2 -25(NiCr)/(WC-Co) Coating
  7. Review of Thermal Spray Coating Applications in the Steel Industry: Part 1—Hardware in Steel Making to the Continuous Annealing Process
  8. Sealing HVOF Thermally Sprayed WC-CoCr Coatings by Sol-Gel Methods
  9. Atmospheric Plasma Spraying of High Melting Temperature Complex Perovskites for TBC Application
  10. Double Rare-Earth Oxides Co-doped Strontium Zirconate as a New Thermal Barrier Coating Material
  11. Microstructure and Properties of Porous Abradable Alumina Coatings Flame-Sprayed with Semi-molten Particles
  12. Influence of the Spray Angle on the Properties of HVOF Sprayed WC–Co Coatings Using (−10 + 2 μm) Fine Powders
  13. Nonequilibrium Atmospheric Plasma Deposition
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  15. Rapid and Continuous Deposition of Porous Nanocrystalline SnO 2 Coating with Interpenetrating Pores for Gas Sensor Applications
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