Dynamic abrasion resistance of advanced coating systems

摘要: A novel test rig was designed and developed for testing the dynamic abrasion resistance of advanced coating systems used in engineering applications. Testing undertaken included abrasion, impact combined impact-abrasion on uncoated coated systems. Different thicknesses applied to a number different substrates were tested during experimental stage. Substrate materials consisted aluminium, mild steel, tool steels annealed heat treated conditions. Thick thin coatings TiN, TixC, WC-Co Ni-Cr which then subjected wear tests. Coatings using High Velocity Oxy Fuel (HVOF) thermal spray Physical Vapour Deposition (PVD) processes. An on-line data acquisition system adapted by writing an appropriate computer programme measuring recording load process. A comparison is made between existing equipment one this research. Suggestions further work are discussed. Surfaces conditions examined optical scanning electron microscopes. Comparisons resistance. also results mathematical models determining coefficients tested. The main characteristics associated with surfaces sliding effects rebound discussed. The application reduce mentioned. The findings drawn from research based tests samples effect combinations differences conditions, type thickness reported. This information may assist designers specify recommend suitable systems, processes suit abrasion.