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Aruniit, Aare
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Topics
Publications (4/4 displayed)
- 2015High temperature erosion wear of cermet particles reinforced self-fluxing alloy HVOF sprayed coatingscitations
- 2012Design and Testing of Sandwich Structures with Different Core Materials ; Sluoksniuotosios struktūros su skirtingomis šerdies medžiagomis kūrimas ir bandymas
- 2012Preliminary Study of the Influence of Post Curing Parameters to the Particle Reinforced Composite's Mechanical and Physical Properties ; Preliminari kietėjimo parametrų įtakos dalelėmis sustiprintų kompozitų mechaninėms ir fizinėms savybėms analizė
- 2011Particulate Filled Composite Plastic Materials from Recycled Glass Fibre Reinforced Plastics ; Kietosiomis dalelėmis užpildyti kompozitai iš antrinių stiklo pluoštu armuotų plastikų
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article
High temperature erosion wear of cermet particles reinforced self-fluxing alloy HVOF sprayed coatings
Abstract
<p>The resistance of high velocity oxy-fuel (HVOF) sprayed TiC-NiMo and Cr3C2-Ni cermet particles reinforced NiCrSiB self-fluxing alloy coatings to high temperature erosion wear was studied. Microstructure of the coatings was examined by SEM, phase composition was determined by XRD. A four-channel centrifugal particle accelerator was applied to study the high temperature erosion wear of the coatings. The angles of impingement were 30º and 90º, initial particle velocity was 50 m/s, the average temperature of the test – 650 ºC. Volume wear of the coatings was calculated and compared to the respective values of the reference materials. Wear mechanisms were studied by SEM. HVOF sprayed coatings exhibited lower wear, than WC-15Co hardmetal and steel HARDOX 400, but higher wear than steel AISI 304. TiC-NiMo particles reinforced self-fluxing alloy coating demonstrated virtually the same wear resistance, as the Cr3C2-Ni particles reinforced self-fluxing alloy coating, at 30º and the better wear resistance at 90º.</p>