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PLA/Talc bio-composites are very promising materials for the fabrication of food and drug containers, packaging items, medical devices, consumer electronics as well as car components. In this work, wear resistance of PLA/talc bio-composites was investigated. Different types of formulations were analysed and, in particular, different compatibilization strategies of the hydrophilic talc with the hydrophobic...
A novel method using a high power diode laser to selectively remove cobalt binder from the outermost layer of Co-cemented tungsten carbide (WC–Co 5.8wt.%) is hereby discussed. A continuous 940-nm wavelength diode laser source at power of 600–1500W and scanning speed of 1mm/s was used to perform the thermal treatments. Hot Filament-Chemical Vapour Deposition (HF-CVD) was then used to deposit PolyCrystalline...
The microstructure, the micromechanical properties, the wear behaviour and the impact resistance of WC–CoCr cermet coatings, deposited onto an aluminium alloy substrate by High Velocity Oxygen-Fuel (HVOF) flame-spraying, were examined as a function of the coating thickness, which was varied between 50μm and 150μm by performing different numbers of scans of the HVOF torch in front of the substrate...
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