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Ti-based protective thin films with thicknesses below 100 nm, intended for miniature applications were deposited using physical vapor deposition magnetron sputtering. X-ray diffraction (XRD), scanning electron microscopy, and atomic force microscopy were employed for the assessment of microstructure, morphology, film thickness, surface topography, and roughness. XRD pattern showed the formation of...
The response of HfB 2 films to nanoindentation and nanoscratch was studied using both experimental and the finite element techniques. The material properties of HfB 2 (elastic modulus, yield strength and Poisson's ratio) were derived by curve-fitting the simulated load–displacement (F–d) nanoindentation data with the experimental F–d data using a parametric analysis. Experimental results...
Hafnium diboride (HfB 2 ) offers an excellent combination of high bulk hardness (29GPa), high melting point (3295°C) and high wear resistance, thus making it an attractive material for wear resistant coatings. In this work, the nanoscale friction response of as-deposited and annealed HfB 2 films is reported. The films were subjected to nanoscratch experimentation and the material response...
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