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Characterization of subsurface deformation of turned brasses: lead brass (CuZn39Pb3) and lead free brass (CuZn21Si3P)
Halmstad University, School of Business, Engineering and Science, The Rydberg Laboratory for Applied Sciences (RLAS). (Functional Surfaces Research Group)ORCID iD: 0000-0002-2330-0597
Department of Industrial and Materials Science, Chalmers University of Technology, Gothenburg, Sweden.
Halmstad University, School of Business, Engineering and Science, The Rydberg Laboratory for Applied Sciences (RLAS). (Functional Surfaces Research Group)ORCID iD: 0000-0002-8364-202x
Halmstad University, School of Business, Engineering and Science, The Rydberg Laboratory for Applied Sciences (RLAS).ORCID iD: 0000-0001-8058-1252
2019 (English)In: 16th International Conference on Metrology And Properties of Engineering Surfaces (Met And Props 2017), Bristol, UK: Institute of Physics Publishing (IOPP), 2019, article id 012006Conference paper, Published paper (Refereed)
Abstract [en]

The adverse effects of lead on human health and the recycling problems of copper alloys with lead content has led to the increase in concern for reducing/eliminating the use of lead in brass and other copper alloys. The real challenge prevails in sustainable manufacturing of lead free brass and to maintain as well as control the surface integrity when lead is substituted in the brass with silicon. This article is part of the study that focuses on characterizing the surface integrity of machined lead brass and lead free brass. This paper deals with the study of surface layer characteristics of brass samples, investigating the subsurface deformation influenced by the turning operation. It is important to study the plastic deformation under the machined surface which directly affects the performance of the material on further machining or application. In this study, metallographic investigations are performed on turned samples of lead brass and lead free brass and include comparisons between the study samples based on the plastic deformations quantified by grain orientations and microhardness measurements. The study performed successfully characterizes the subsurface deformation and the results suggest slightly higher subsurface deformation in turned lead brass as compared to lead free brass.

Place, publisher, year, edition, pages
Bristol, UK: Institute of Physics Publishing (IOPP), 2019. article id 012006
Series
Journal of Physics Conference Series, ISSN 1742-6588 ; 1183
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:hh:diva-41469DOI: 10.1088/1742-6596/1183/1/012006ISI: 000487359400006Scopus ID: 2-s2.0-85067787405OAI: oai:DiVA.org:hh-41469DiVA, id: diva2:1390191
Conference
16th International Conference on Metrology and Properties of Engineering Surfaces (Met and Props), Gothenburg, Sweden, June 26-29, 2017
Available from: 2020-01-31 Created: 2020-01-31 Last updated: 2020-02-07Bibliographically approved

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Reddy, Vijeth VenkataramVedantha Krishna, AmoghRosén, Bengt Göran

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