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Effect of addition of tin on the microstructure and machinability of alpha-brass
Shahid Bahonar Univ Kerman, Dept Met & Mat Sci, Jomhoori Eslami Blvd, Kerman, Iran..
Shahid Bahonar Univ Kerman, Dept Met & Mat Sci, Jomhoori Eslami Blvd, Kerman, Iran..ORCID iD: 0000-0003-1779-8728
2018 (English)In: Materials Science and Technology, ISSN 0267-0836, E-ISSN 1743-2847, Vol. 34, no 10, p. 1218-1227Article in journal (Refereed) Published
Abstract [en]

This study was aimed at developing lead-free brass alloys with the goal of substituting lead element with tin. For this purpose, lead-free alloys with tin were developed and the microstructure, hardness and machining behaviour of the Cu-30%Zn alloy was compared with Cu-30%Zn-x%Sn (x = 1.2, 3.2, 5.4, 8,11.4,13.9,17.4). The results showed that the addition of Sn to single-alpha phase brass led to the formation of duplex (alpha + beta') brass and then the formation of (beta' + gamma) brass both with increased hardness. In addition, the addition of Sn to Cu-30%Zn alloy led to the decrement of equivalent machining forces (F-m), surface roughness and also the promotion of chip fragmentation due to the formation of the beta' phase, which is an improvement in machinability.

Place, publisher, year, edition, pages
Taylor & Francis, 2018. Vol. 34, no 10, p. 1218-1227
Keywords [en]
Lead-free brass, alpha brass, tin, hardness, machinability, chip formation
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-263985DOI: 10.1080/02670836.2018.1435484ISI: 000438137800008Scopus ID: 2-s2.0-85042386745OAI: oai:DiVA.org:kth-263985DiVA, id: diva2:1371590
Note

QC 20191121

Available from: 2019-11-20 Created: 2019-11-20 Last updated: 2019-11-21Bibliographically approved

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