Please use this identifier to cite or link to this item: doi:10.22028/D291-29328
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Title: Effect of cooling rate on the structure and nanotribology of Ag–Cu nano-eutectic alloys
Author(s): Kwon, S. K.
Kim, H. D.
Pei, X. Q.
Ko, H. E.
Park, H. W.
Bennewitz, Roland
Caron, Arnaud
Language: English
Title: Journal of Materials Science
Volume: 54
Issue: 12
Startpage: 9168
Endpage: 9184
Publisher/Platform: Springer
Year of Publication: 2019
Publikation type: Journal Article
Abstract: Wear mechanisms of three Ag–Cu eutectic alloy samples cooled at different rates from the melt have been investigated by friction force microscopy. The eutectic phase exhibits a lamellar structure where the interlamellar thickness decreases with increasing cooling rate. The hardness of the samples decreases with decreasing thickness of the lamellae. In the low normal force regime (Fn ≤ 1000 nN) friction is governed by shearing and the relevant contact area can be well described by the Johnson–Kendal–Roberts model. At higher normal force values, the surface is worn, and friction can be described by the ploughing friction coefficient. A ploughing friction coefficient is determined, which is positively correlated with the hardness of the Ag–Cu eutectic alloy samples cooled at different rates, while the wear volume negatively correlates with the hardness.
DOI of the first publication: 10.1007/s10853-019-03533-5
Link to this record: hdl:20.500.11880/28143
http://dx.doi.org/10.22028/D291-29328
ISSN: 0022-2461
1573-4803
Date of registration: 21-Oct-2019
Faculty: NT - Naturwissenschaftlich- Technische Fakultät
Department: NT - Physik
Professorship: NT - Keiner Professur zugeordnet
Collections:UniBib – Die Universitätsbibliographie

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