Tribological Properties Mapping: Local Variation in Friction Coefficient and Adhesion
2013 (English)In: Tribology letters, ISSN 1023-8883, E-ISSN 1573-2711, Vol. 50, no 3, 387-395 p.Article in journal (Refereed) Published
Tribological properties mapping is a new technique that extracts friction coefficient and adhesion maps obtained from lateral atomic force microscope (LAFM) images. By imaging the surface systematically as a function of load, a series of images can be tiled, and pixelwise fitted to a modified Amontons' Law to obtain friction coefficient and adhesion maps. This removes the ambiguity of friction contrast in LAFM imaging which can be a function of the load used for imaging. In ambient laboratory, air and tetradecane, a sample of Vancron(A (R))40, commercial powder metallurgical tool alloy containing nitrogen, have been scanned using a standard silicon cantilever in order to obtain tribological data. The tribological properties mapping provides unique information regarding the heterogeneous alloy microstructure as well as shedding light on the tribological behavior of the alloy.
Place, publisher, year, edition, pages
2013. Vol. 50, no 3, 387-395 p.
Friction, AFM, Atomic force microscope, LFM, Lateral atomic force microscope, Nanotribology, Friction coefficient mapping, Adhesion, Tool alloy, Microstructure
IdentifiersURN: urn:nbn:se:kth:diva-124457DOI: 10.1007/s11249-013-0136-8ISI: 000319161700009ScopusID: 2-s2.0-84878246729OAI: oai:DiVA.org:kth-124457DiVA: diva2:636277
FunderSwedish Foundation for Strategic Research Swedish Research Council
QC 201307092013-07-092013-07-052014-06-03Bibliographically approved