[PDF] Top 20 Microstructure and cutting performance of V C based coatings deposited by HIPIMS/UBM

... Plasma etching is a very important step prior to coating deposition. It cleans specimen surfaces from residual dust and removes oxidation layers. In the case of a highly energetic plasma during etching, highly ionized ... See full document

... the HIPIMS technology and its impact on microstructure and functional properties of nanoscale TiAlCN/VCN coating, which was previously developed in our group by conventional UBM ...during ... See full document

... coating microstructure, chemical composition, thermal stability and mechanical properties were investigated using coated 30 mm 304 SS coupons for as- deposited coatings, 30 mm HSS coupons for ... See full document

... Figure 3 shows the volume loss measured by profiling erosion-corrosion wear scars. As observed, at all electrochemical potentials, except at +700 mV, the H-H coated specimens show lower volume loss as compared to the ... See full document

... CrN/NbN coatings. Due to its high plasma density and ionisation rate, HIPIMS has been found to be effective in producing very dense coatings compared to state-of-the-art technologies ...Nevertheless, ... See full document

... layered coatings have a combination of nitrides of chromium and niobium which are not only resistant to aqueous corrosion and corrosion- erosion and have excellent tribological properties, but also have oxidation ... See full document

... [34]. HIPIMS is also a pulsed sputtering technology that utilises much higher peak target ...the deposited coatings become dense as compared to conventional magnetron sputtering ...during ... See full document

... UBM deposited substrate shows significantly higher corrosion current densities in the electrochemical potential range of -400 mV to + 600 ...superior performance of H-H coated substrates in above ... See full document

... electroplated coatings, which provide a range of thin, hard, wear and corrosion resistant functional ...PVD coatings offer an excellent choice in replacing hard chrome and monolithic CrN coatings [1- ... See full document

... multilayer coatings produced by physical vapour deposition (PVD) is growing rapidly due to their advanced barrier properties against corrosion and wear ...CrN/NbN coatings is found to be beneficial in ... See full document

... Coating microstructure was characterised by light optical and scanning electron microscopy (SEM), facilitated by an Olympus G51X series light optical microscope and a Hitachi S-3000N ...the coatings through ... See full document

... Erosion tests were accomplished in an adapted mass testing machine designed by Erosive Welding Lab, Fed- eral University of Uberlândia, BR. The testing machine was designed based on similar equipment developed by ... See full document

... The performance of the well-known TiN coating deposited on implants by a variety of techniques has been reported by various authors ...was deposited by an arc technique ...the coatings were ... See full document

... The average Vickers microhardness results and the standard deviation of each coating are shown in the graph of Fig. 6 (a). The microhardness values of the layer sprayed with Cr3C2-25NiCr are lower than WC-10Co4Cr values. ... See full document

... were found inside the Ni surrounded material, deposited at AlSi substrate. The coating show considerable porosity. More details of microstructure of coatings was found by scanning electron microscopy ... See full document

... selective coatings such as electroplating/electrochemical deposition (including chemical conversion/chemical bath deposition (CBD)), vacuum deposition (physical vapor deposition (PVD)/sputtering), chemical vapor ... See full document

... Hf-C-N coatings grown at different negative bias voltage: 0 V (filled circle symbol), - 50 V (red inverted triangles), -100 V (green filled stars), -150 V (filled black ... See full document

... other microstructure features such as tructural density, and surface ...major microstructure properties, as a function of the deposit detail, in particular for the newly developed nanoscal r, XRD analyses ... See full document

... selective coatings such as electroplating/electrochemical deposition (including chemical conversion/chemical bath deposition (CBD)), vacuum deposition (physical vapor deposition (PVD)/sputtering), chemical vapor ... See full document

... Figure 5(a) shows the bright-field TEM image and electron diffraction pattern of a cross-sectional view of TiAlN/a-4.6% C coatings. The diffraction pattern does not exhibit strong preferred orientation. The ... See full document