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Microstructure, mechanical properties and machinability of Cu-Zn-Mg and Cu-Zn-Sb brass alloys
Shahid Bahonar Univ Kerman, Coll Engn, Dept Mat Engn & Met, Kerman 7618868366, Iran..
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering. Shahid Bahonar Univ Kerman, Coll Engn, Dept Mat Engn & Met, Kerman 7618868366, Iran..ORCID iD: 0000-0003-1779-8728
2019 (English)In: Materials Science and Technology, ISSN 0267-0836, E-ISSN 1743-2847, Vol. 35, no 12, p. 1504-1514Article in journal (Refereed) Published
Abstract [en]

Lead-free alloys have attracted great attentions recently due to the toxic nature of lead for the human body. In this study, low amounts of Mg and Sb were added to the Cu65-Zn35 brass and microstructure, mechanical properties and machinability of samples were compared to Cu65-Zn35 brass. Both Mg and Sb led to the promotion of beta ' phase as well as the formation of new ternary copper rich intermetallic particles. It was found that these particles had a significant role in the reduction of the ultimate tensile strength, toughness, work hardening and elongation while increasing the hardness of samples. Results of machinability evaluation of samples showed that the cutting forces were decreased significantly and morphology of chips were improved compared to Cu65-Zn35 brass sample.

Place, publisher, year, edition, pages
TAYLOR & FRANCIS LTD , 2019. Vol. 35, no 12, p. 1504-1514
Keywords [en]
Microstructure characterisation, lead-free brass, magnesium, antimony, mechanical properties, machinability, cutting forces, intermetallic particles
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-255182DOI: 10.1080/02670836.2019.1630089ISI: 000472361400001Scopus ID: 2-s2.0-85067619916OAI: oai:DiVA.org:kth-255182DiVA, id: diva2:1348435
Note

QC 20190904

Available from: 2019-09-04 Created: 2019-09-04 Last updated: 2019-09-04Bibliographically approved

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Doostmohammadi, Hamid

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