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Study and analysis of surface layer characteristics of lead brass and lead free brass
Halmstad University, School of Business, Engineering and Science, Mechanical Engineering and Industrial Design (MTEK). (Functional Surfaces)
Halmstad University, School of Business, Engineering and Science, Mechanical Engineering and Industrial Design (MTEK). (Functional Surfaces)
2016 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

The addition of lead to the copper alloys increase the machinability of thework material (without reference here to environmental factors) and reduces the overall production cost of the components at different stages, despite copper being expensive, which makes a challenging task to replace lead. Since lead is dangerous to human health. Many materials are considered to replace lead in brass and silicon is one of the alternative. This thesis characterizes the lead and the lead free brass's surfacemetallurgy for a certain cutting data. The study includes identification of alteredmaterial zones (AMZ) defined by the plastic deformation, hardness alterationsand grain distributions.The study results include the analysis of deformed subsurface region andcomparison exemplifying differences between the two materials under twodifferent studies.

Place, publisher, year, edition, pages
2016. , 56 p.
Keyword [en]
Lead free Brass, surface integrity, subsurface deformation, microhardness.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hh:diva-32207OAI: oai:DiVA.org:hh-32207DiVA: diva2:1034834
External cooperation
AB Markaryds Metallarmatur
Subject / course
Mechanical Engineering
Supervisors
Examiners
Projects
Lead free brass
Available from: 2016-10-26 Created: 2016-10-13 Last updated: 2016-10-26Bibliographically approved

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Challapalli, DharmendraEl-masri, Ahmad
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