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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Babul, T.
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Topics
Publications (5/5 displayed)
- 2009Detonation sprayed coatings Al 2O 3-TiO 2 and WC/Co on adi investment castings
- 2007Influence of detonation gun spraying conditions on the quality of Fe-Al intermetallic protective coatings in the presence of NiAl and NiCr interlayers
- 2007Influence of microstructure of superficial layer on the mechanical properties of nitrocarburized P6M5 steel grade
- 2004Properties of alumina coatings produced by gas-detonation methodcitations
- 2003The influence of surface preparation on the properties of tungsten carbide coatings produced by gas-detonation method
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booksection
The influence of surface preparation on the properties of tungsten carbide coatings produced by gas-detonation method
Abstract
<p>One of the most promising method of obtaining wear, erosive and corrosive resistant coatings is the gas-dethonation method. The coatings produced by this method permit widening the application range due to increasing of useful properties of low alloy steels. The paper deals with the influence of technological parameters on the properties of coatings produced from tungsten carbide powder on 1045 steel. The role of modifying the substrate surface before process is discussed. The three method of changing the surface are presented: grinding, sand-blast cleaning and sanding by gas-detonation method. The microstructure of the WC coatings are described by metallographical and scaning electron microscopy (EDS method) investigations. The preparation of the substrate surface using a sand paper, compressed air sand blasting or detonation sand blasting, aimed at making this surface more developed, worsened the adhesion of the coating to the substrate, since the substrate-coating interface zone was then more porous with respect to that observed when the coating was deposited on a ground substrate.</p>