Hardness of FRHC-Cu determined by statistical analysis

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RECERCAT Principal > Universitat de Barcelona > Ciència dels Materials i Química Física > Articles publicats en revistes (Ciència dels Materials i Química Física) > Visualizar documento

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dc.contributor	Universitat de Barcelona
dc.contributor.author	Roa Rovira, Joan Josep
dc.contributor.author	Martínez López, Mònica
dc.contributor.author	Rayón, E.
dc.contributor.author	Ferrer, N.
dc.contributor.author	Espiell Álvarez, Ferran
dc.contributor.author	Segarra Rubí, Mercè
dc.date	2014-05-22T10:39:20Z
dc.date	2014-05-22T10:39:20Z
dc.date	2014-02
dc.date	2014-05-22T10:39:20Z
dc.identifier.citation	1059-9495
dc.identifier.citation	629537
dc.identifier.uri	http://hdl.handle.net/2445/54385
dc.format	6 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	Springer Verlag
dc.relation	Reproducció del document publicat a: http://dx.doi.org/10.1007/s11665-013-0770-1
dc.relation	Journal of Materials Engineering and Performance, 2014, vol. 23, num. 2, p. 637-642
dc.relation	http://dx.doi.org/10.1007/s11665-013-0770-1
dc.rights	(c) ASM International , 2014
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Coure
dc.subject	Conductivitat elèctrica
dc.subject	Propietats mecàniques
dc.subject	Mètodes estadístics
dc.subject	Copper
dc.subject	Electric conductivity
dc.subject	Mechanical properties
dc.subject	Statistical methods
dc.title	Hardness of FRHC-Cu determined by statistical analysis
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	A statistical indentation method has been employed to study the hardness value of ﬁre-reﬁned high conductivity copper, using nanoindentation technique. The Joslin and Oliver approach was used with the aim to separate the hardness (H) inﬂuence of copper matrix, from that of inclusions and grain boundaries. This approach relies on a large array of imprints (around 400 indentations), performed at 150 nm of indentation depth. A statistical study using a cumulative distribution function ﬁt and Gaussian simulated distributions, exhibits that H for each phase can be extracted when the indentation depth is much lower than the size of the secondary phases. It is found that the thermal treatment produces a hardness increase, due to the partly re-dissolution of the inclusions (mainly Pb and Sn) in the matrix.

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