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Actual Problems in Machine Building. 2016. N 3 Technological Equipment, Machining
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9. Патент 2502828 Российская Федерация. Способ нанесения антифрикционного
износостойкого покрытия на титановые сплавы / В.М. Савостиков, А.Н. Табаченко, А.И.
Потекаев, Е.Ф. Дударев. – Опубл. 27.12.2013, Бюл. № 36; приоритет 18.06.2012.
10. Патент 2392351 Российская Федерация. Способ нанесения антифрикционного
износостойкого покрытия на изделие из металла или сплава / В.М. Савостиков, А.Н.
Табаченко, С.М. Сергеев, В.А. Кудрявцев, А.И. Потекаев, В.М. Кузьмиченко, Н.Н. Ивченко.
– Опубл. 20.06.2010, Бюл. № 17; приоритет 13.08.2008.
PERSPECTIVES FOR THE CREATION OF SLIDE BEARINGS
WITH ION-PLASMA ANTI-FRICTION COATING
Shubin A.Y. 1 , Ph.D. student, e-mail:
Dmitriev V.S. 1, (Engineering), Professor, e-mail:
Dammer V.H. 1, Ph.D. (Engineering), Scientific associate, e-mail:
Potekaev A.I. 2, . (Physics and Mathematics), Professor, e-mail:
Savostikov V.M. 2, Ph.D. (Engineering), Advanced manufacturing engineer,
e-mail:
Tabachenko A.N. 2, Ph.D. (Physics and Mathematics), Head of Laboratory,
e-mail:
1 National Research Tomsk Polytechnic University, 30 Prospect Lenina, Tomsk, 634050, Russian
Federation
2 National Research Tomsk State University, 36 Prospect Lenina, Tomsk, 634050, Russian
Federation
Abstract
For vibronoise reduction and electric motors reliability improving the research on the
replacement of rolling bearings by slide bearings with ion-plasma anti-friction coating is carried
out. Ti-C-Mo-S composition is chosen as the coating material due to the fact it contains a hardware
carbides and antifriction metal sulfides. The coating was formed using a KOMPOSIT-3 hybrid
facility. The facility chamber contained a gas-plasma generator with a hot cathode, a duomagnetron
with two planar sputter targets, and two electric arc evaporators. The need to combine magnetron
sputtering and electric arc deposition of coatings was dictated by different functional capabilities of
these methods and their deposition rates. Coating process uses the combined magnetron ion-plasma
methods with surface layer pre-modification by nitriding or by ion-plasma doping by means of Ti-
C-Mo-S atoms. The substrate material used was common structural steel of the 40Х grade, which
was hardened to 42–46 HRC. The coating hardness was measured with a PMT-3 instrument. The
bond strength of the coating to the substrate using the prints Vickers and Rockwell is esteemed.
When using the pre-doping the substrate a hardness of the composition modified underlayer -
coating is slightly lower rather than during the nitriding. The bond strength coating with substrate
using pre-doping method is much higher. Friction tests based on «pin-on-disk» scheme with an
immobile indenter and a rotating disk showed that the magnetron ion-plasma pre-doping the
substrate by means of Ti-C-Mo-S atoms provides a longer service life of the coating with a lower
friction coefficient (0,06 ÷ 0,07). To release tests of slide bearings with anti-friction coating a
special stand was designed and produced.
Keywords
slide bearing, ion-plasma coatings, nitriding, doping, bond strength, hardness, solid antifriction
coatings, friction tests, friction coefficient