Thermal stability of hard nanocomposite Mo-BC coatings
L Zábranský, V Buršíková, P Souček, P Vašina… - Vacuum, 2017 - Elsevier
In the present work, nanocomposite Mo-BC coatings were deposited on high speed steel
and hard metal substrates by magnetron sputtering of three targets. These coatings were
subjected to annealing to final temperatures in the range from 500° C to 1000° C. It was
found that the as deposited Mo-BC coatings exhibited hardness of∼ 20 GPa,
nanocomposite microstructure with very fine grains (∼ 2 nm) and low degree of crystallinity.
The X-ray diffraction and transmission electron microscopy together with selective area …
and hard metal substrates by magnetron sputtering of three targets. These coatings were
subjected to annealing to final temperatures in the range from 500° C to 1000° C. It was
found that the as deposited Mo-BC coatings exhibited hardness of∼ 20 GPa,
nanocomposite microstructure with very fine grains (∼ 2 nm) and low degree of crystallinity.
The X-ray diffraction and transmission electron microscopy together with selective area …
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