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  4. № 05/06 2013
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Effect of Magnetic Treatment on the Distribution of Internal Stresses in Detonation-Sprayed WC–Co Hardmetal Coatings

† V.Oliker,
 
O.Poliarus,
 
O.G.Gavrilenko,
 
S.M.Chernega
 

I. M. Frantsevich Institute for Problems of Materials Science of the NAS of Ukraine, Omeliana Pritsaka str.,3, Kyiv, 03142, Ukraine
Powder Metallurgy - Kiev: Frantsevich Institute for Problems of Materials Science NASU, 2013, #05/06
http://www.materials.kiev.ua/article/943

Abstract

The influence of magnetic treatment on the mechanical properties of WC–Co hardmetal detonation-sprayed coatings is studied. The type and size of internal stresses in the coatings are determined. It is established that treatment in the magnetic field considerably decreases stresses (by 50–60%) but has no effect on the stress state of the coating–substrate system. It is shown that magnetic properties of the substrate material have no influence on the results of magnetic treatment in our case.


DETONATION-SPRAYED COATING, HARD ALLOY, INTERNAL STRESS, MAGNETIC PROPERTY, MAGNETIC TREATMENT

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