Hard wear-resistant TiAlSiCN/MoSeC coatings with low coefficient of friction at room and elevated temperatures
https://doi.org/10.17073/1997-308X-2013-4-60-67
Abstract
TiAlSiCN and TiAlSiCN/MoSeC coatings have been produced by magnetron sputtering of segmented SHS- and compacted powdered targets. The struc- ture and composition of the coatings have been investigated by X-ray phase analysis, X-ray photoelectron spectroscopy, Raman spectroscopy, trans- mission electron microscopy, and light spectroscopy. The base of TiAlSiCN coating composes of FCC-phase with crystallites of < 15 nm in size; in sput- tering of TiAlSiCN and MoSeC segments in 3 : 1 ratio, decrease of crystallites size takes place and in 2 : 2 ratio does the amorphisation. MoSe2 phase is found also in TiAlSiCN/MoSeC coatings. It follows from the results of nanoindentation that hardness of TiAlSiCN coatings is 40 GPa, TiAlSiCN/MoSeC coatings – 28 GPa and 12 GPa at 3 : 1 and 2 : 2 ratios respectively. The coefficient of friction of TiAlSiCN coatings is 0,75 at ambient temperature, after in- troduction of MoSeC it drops to 0,05; wear resistance of coatings raises as well. In tribological tests of TiAlSiCN/MoSeC coatings with continuous heat- ing, low coefficient of friction (< 0,1) is unchanged up to 300 °C.
About the Authors
A. V. Bondarev
Национальный исследовательский технологический университет «МИСиС», 119049, г. Москва, В-49, Ленинский пр-т, 4
Russian Federation
Russian Federation
F. V. Kiryukhantsev-Korneyev
Национальный исследовательский технологический университет «МИСиС», 119049, г. Москва, В-49, Ленинский пр-т, 4
Russian Federation
Russian Federation
D. V. Shtansky
Национальный исследовательский технологический университет «МИСиС», 119049, г. Москва, В-49, Ленинский пр-т, 4
Russian Federation
Russian Federation
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Review
For citations:
Bondarev A.V., Kiryukhantsev-Korneyev F.V., Shtansky D.V. Hard wear-resistant TiAlSiCN/MoSeC coatings with low coefficient of friction at room and elevated temperatures. Powder Metallurgy аnd Functional Coatings (Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional'nye Pokrytiya). 2013;(4):60-67. (In Russ.) https://doi.org/10.17073/1997-308X-2013-4-60-67
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