NDLI: Correlation Between Mechanical Properties and Nanofriction of [Ti–Cr/Ti–Cr–N]$_{ n }$ and [Ti–Al/Ti–Al–N]$

Content Provider	Springer Nature Link
Author	Ipaz, L. Ruiz Luna, H. Espiza Beltrán, F. J. Zambra, G.
Copyright Year	2012
Abstract	In this work, thin films deposited by pulsed DC magnetron sputtering of [Ti–Al/Ti–Al–N]$_{ n }$ and [Ti–Cr/Ti–Cr–N]$_{ n }$ multilayers of nanometric periods were analyzed by AFM in contact mode to measure values of lateral and normal forces. From these measurements, the coefficient of friction (COF) of these materials in contact with the AFM tip was calculated. Measurements were made with three types of silicon tips, diamond-coated, Pt–Cr-coated, and bare silicon. Significant differences between the tip materials in contact with the samples, which affected the COF, were observed. The effect of the environmental layer of water covering the surface sample and the tip appears as the most important factor affecting the tribology behavior of the tip-sample contact. For diamond-coated and bare silicon tips there is an additional adherence force increasing the normal load. But for tips platinum–chromium-coated there is a repulsive force due to this water layer, which behaves as a lubricant layer before a threshold load.
Starting Page	403
Ending Page	412
Page Count	10
File Format	PDF
ISSN	10238883
Journal	Tribology Letters
Volume Number	49
Issue Number	2
e-ISSN	15732711
Language	English
Publisher	Springer US
Publisher Date	2012-12-05
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Atomic force microscopy Coefficient of friction Co-sputtering Tribology, Corrosion and Coatings Surfaces and Interfaces, Thin Films Theoretical and Applied Mechanics Physical Chemistry Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Mechanics of Materials Mechanical Engineering Surfaces and Interfaces

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