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<datestamp>2018-01-15</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Speed and Atmosphere Influences on Nanotribological Properties of NbSe2</title>
<creator>Bilas, Philippe</creator>
<creator>Romana, Laurence</creator>
<creator>Bade, Francois</creator>
<creator>Delbe, Karl</creator>
<creator>Mansot, Jean-Louis</creator>
<contributor>Groupe de Technologie des Surfaces et Interfaces (GTSI) ; Université des Antilles et de la Guyane (UAG) - Université des Antilles (Pôle Guadeloupe) ; Université des Antilles (UA) - Université des Antilles (UA)</contributor>
<contributor>Laboratoire de Physique de l'Atmosphère Tropicale (LPAT) ; Université des Antilles et de la Guyane (UAG)</contributor>
<description>International audience</description>
<source>ISSN: 1023-8883</source>
<source>EISSN: 1573-2711</source>
<source>Tribology Letters</source>
<publisher>Springer Verlag</publisher>
<identifier>hal-00780496</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00780496</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00780496/document</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00780496/file/Delbe_6345.pdf</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00780496</source>
<source>Tribology Letters, Springer Verlag, 2009, vol. 34, pp. 41-48. 〈10.1007/s11249-008-9400-8〉</source>
<identifier>DOI : 10.1007/s11249-008-9400-8</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1007/s11249-008-9400-8</relation>
<identifier>OATAO : 6345</identifier>
<language>en</language>
<subject lang=en>Nanotribology</subject>
<subject lang=en>AFM</subject>
<subject lang=en>Friction mechanisms</subject>
<subject lang=en>NbSe2</subject>
<subject>[PHYS.MECA.MEMA] Physics [physics]/Mechanics [physics]/Mechanics of materials [physics.class-ph]</subject>
<subject>[SPI.MECA.MEMA] Engineering Sciences [physics]/Mechanics [physics.med-ph]/Mechanics of materials [physics.class-ph]</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Nanotribological properties of NbSe2 are studied using an atomic friction force microscope. The friction force is measured as a function of normal load and scan speeds ranging from 10 nm sâ1 to 40 μm sâ1 under two atmospheres (air and argon). At low speed, no effect of atmosphere is noticed and a linear relationship between the friction and normal forces is observed leading to a friction coefficient close to 0.02 for both atmospheres. At high speed, the tip/surface contact obeys the JKR theory and the tribological properties are atmosphere dependent: the shear stress measured in air environment is three times lower than the one measured under argon atmosphere. A special attention is paid to interpret these results through numerical data obtained from a simple athermal model based on Tomlinson approach.</description>
<date>2009</date>
</dc>
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