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A Novel Approach for the Assessment of Eutectic Si Modification and Tensile Properties of Al-Si Cast Alloys
Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.ORCID iD: 0000-0002-1190-836X
Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.ORCID iD: 0000-0001-6481-5530
2015 (English)Conference paper, Published paper (Refereed)
Abstract [en]

This study presents a correlation between the depression in eutectic growth temperature, as a result of modification, and the tensile properties of Al-Si cast alloys. In order to study the role that Sr exerts on the solidification behavior, modification and mechanical properties, controlled solidification experiments accompanied with thermal analysis using three mold materials for various cooling conditions, and tensile testing were conducted on Al-Si alloys with several Sr levels (~ 35-500 ppm). The gradient solidification technique was applied to produce directional solidified tensile test specimens comprising low level of defects. The depression in growth temperature of eutectic Si was found to be correlated with the Sr additions and the tensile properties (e.g. elongation to failure and tensile strength). 

Place, publisher, year, edition, pages
Springer, 2015.
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:hj:diva-27876OAI: oai:DiVA.org:hj-27876DiVA: diva2:852280
Conference
American Foundry Society (AFS) 2015, Design & Production of High Quality Aluminum Castings Conference, Nashville, 5-7 October, 2015
Available from: 2015-09-08 Created: 2015-09-08 Last updated: 2016-02-09Bibliographically approved

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Zamani, MohammadrezaSeifeddine, Salem

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