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The structure and phase state and internal stress fields of plasma powder Ni–Cr–B–Si–Fe/WC surface coatings are compared in the presence and absence of a modifier: Al2O3 nanoparticles. PS-12NVK-01 powder alloy applied to a steel 20 substrate is studied by transmission diffraction electron microscopy of thin films, scanning electron microscopy, and X-ray structural and local X-ray spectral analysis...
The effect of additions of nanostructured tungsten carbide powder into a sinter mixture with compaction of sintered hard alloy VK8 on its tribological properties has been studied. Physicomechanical properties of the material obtained have been estimated. The produced hard alloy shows elevated wear resistance to abrasive wearing.
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