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Surface topography characterization of brass alloys: lead brass (CuZn39Pb3) and lead free brass (CuZn21Si3P)
Halmstad University, School of Business, Engineering and Science, The Rydberg Laboratory for Applied Sciences (RLAS).ORCID iD: 0000-0002-2330-0597
Halmstad University, School of Business, Engineering and Science, The Rydberg Laboratory for Applied Sciences (RLAS).ORCID iD: 0000-0002-8364-202X
Division of Production and Materials Engineering, Lund University, Lund, Sweden.
Halmstad University, School of Business, Engineering and Science, The Rydberg Laboratory for Applied Sciences (RLAS).ORCID iD: 0000-0001-8058-1252
2017 (English)In: Surface Topography: Metrology and Properties, ISSN 2051-672X, Vol. 5, no 2, article id 025001Article in journal (Refereed) Published
Abstract [en]

Manufactured surfaces usually consist of topographical features which include both those put forth by the manufacturing process, and micro-features caused by disturbances during this process. Surface characterization basically involves study of these features which influence the functionality of the surface. This article focuses on characterization of the surface topography of machined lead brass and lead free brass. The adverse effect of lead on human health and the environment has led the manufacturing sector to focus on sustainable manufacturing of lead free brass, as well as how to maintain control of the surface integrity when substituting the lead content in the brass with silicon. The investigation includes defined areal surface parameters measured on the turned samples of lead- and lead free brass using an optical coherence scanning interferometer, CSI. This paper deals with the study of surface topography of turned samples of lead-and lead free brass. It is important to study the topographical characteristics of the brass samples which are the intermediate link between the manufacturing process variables and the functional behaviour of the surface. To numerically evaluate the sample's surface topography and to validate the measurements for a significant study, a general statistical methodology is implemented. The results indicate higher surface roughness in turned samples of lead brass compared to lead free brass. © 2017 IOP Publishing Ltd

Place, publisher, year, edition, pages
Bristol: Institute of Physics Publishing (IOPP), 2017. Vol. 5, no 2, article id 025001
Keywords [en]
areal surface parameters, optical interferometer, multiple regression analysis, surface topography, lead free brass, surface roughness
National Category
Tribology (Interacting Surfaces including Friction, Lubrication and Wear)
Identifiers
URN: urn:nbn:se:hh:diva-35600DOI: 10.1088/2051-672X/aa612bISI: 000398423900001Scopus ID: 2-s2.0-85020298117OAI: oai:DiVA.org:hh-35600DiVA, id: diva2:1162379
Available from: 2017-12-04 Created: 2017-12-04 Last updated: 2018-01-13Bibliographically approved

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Reddy, Vijeth VenkataramVedantha Krishna, AmoghRosén, Bengt Göran

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Tribology (Interacting Surfaces including Friction, Lubrication and Wear)

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