Low friction MoS[sub]2[/sub](Ti, W) coatings with a Ti interlayer, magnetron sputtered on silumin
Journal Title: Journal of Achievements in Materials and Manufacturing Engineering - Year 2016, Vol 76, Issue 2
Abstract
Purpose: The paper presents results of the selected mechanical and tribological propertiesof the low friction MoS2(Ti,W) coatings with a Ti interlayer deposited by magnetron sputteringmethod on silumin.Design/methodology/approach: MoS2(Ti,W) coating was investigated by basictribological tests and it was characterized by linear distribution analysis of selected chemicalelements (EDS), nanohardness and Young’s modulus.Findings: It was established that the total thickness of the produced MoS2(Ti, W) coatingswith the Ti layer equaled about 2.5 μm. The MoS2(Ti,W) layers produced on a substratesignificantly increase its functional properties, by significantly lowering the friction coefficientand wear, thus improving its mechanical properties (hardness and Young’s modulus).Practical implications: Silumins used as a substrates should be previously refined beforecoating process to reduce the porosity of the material and to obtain maximum adherenceof MoS2(Ti,W) layer.Originality/value: The increasingly accurate knowledge on the subject of the relationsbetween the composition, processing, microstructure characteristics and properties has ledto the improvement of aluminium properties. However, there is the need to improve of thetribological properties of these alloys what authors obtained.
Authors and Affiliations
J. Gawroński, P. Nolbrzak, G. Gumienny
Keywords
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