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Effects of Si on the microstructure, ordering transformation and properties of the Cu60Zn40 alloy
Shahid Bahonar Univ Kerman, Dept Mat Engn & Met, Kerman 7618868366, Iran..ORCID-id: 0000-0003-1779-8728
Shahid Bahonar Univ Kerman, Dept Mat Engn & Met, Kerman 7618868366, Iran..
2015 (Engelska)Ingår i: Journal of Alloys and Compounds, ISSN 0925-8388, E-ISSN 1873-4669, Vol. 640, s. 401-407Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Effects of small additions of Si to Cu60Zn40 on the properties, microstructure and phase transformation were investigated. It was found that Si promotes the formation of beta' phase and the microstructure of the alloys was changed from duplex alpha + beta' to single phase beta' brass. Electron to atom ratio was calculated and it was concluded that increment in this ratio led to a decrease in stacking fault energy which had an important role in reduction of the grain size as well microstructural variations in this study. The dilatomeric analysis showed that Si increased the ordering temperature of Cu60Zn40 alloy. Finally, based on the properties, the Cu-Zn-40-Si alloys are predicted to have the potential of being an alternative for free cutting leaded brass.

Ort, förlag, år, upplaga, sidor
Elsevier, 2015. Vol. 640, s. 401-407
Nyckelord [en]
Duplex brass, Silicon, Ordering transformation, Microstructure, Dilatometric analysis
Nationell ämneskategori
Materialteknik
Identifikatorer
URN: urn:nbn:se:kth:diva-263991DOI: 10.1016/j.jallcom.2015.03.228ISI: 000354195600061Scopus ID: 2-s2.0-84927921504OAI: oai:DiVA.org:kth-263991DiVA, id: diva2:1371597
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QC 20191120

Tillgänglig från: 2019-11-20 Skapad: 2019-11-20 Senast uppdaterad: 2019-11-20Bibliografiskt granskad

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