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Determination of Optimum Sr Level for Eutectic Si Modification in Al–Si Cast Alloys Using Thermal analysis and Tensile Properties
Jönköping University, School of Engineering, JTH, Materials and Manufacturing. (Materials and Manufacturing)ORCID iD: 0000-0002-1190-836X
Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.ORCID iD: 0000-0001-6481-5530
2016 (English)In: International Journal of metalcasting, ISSN 1939-5981, E-ISSN 2163-3193, Vol. 10, no 4, 457-465 p.Article in journal (Refereed) Published
Abstract [en]

This study presents a correlation between the depression in eutectic growth temperature as a result of Sr 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 including thermal analysis were performed. Using three mold materials for different cooling rates, tensile testing was conducted on Al–Si alloys with various Sr levels (~35–500 ppm). The gradient solidification technique was used to produce directionally solidified tensile test specimens containing low levels of defects. The depression in eutectic Si growth temperature was correlated with the Sr additions and the tensile properties (elongation to failure and tensile strength).

Place, publisher, year, edition, pages
Springer, 2016. Vol. 10, no 4, 457-465 p.
Keyword [en]
aluminum cast alloys, eutectic modification, thermal analysis, tensile properties
National Category
Metallurgy and Metallic Materials
URN: urn:nbn:se:hj:diva-30660DOI: 10.1007/s40962-016-0032-8OAI: diva2:939689
Available from: 2016-06-20 Created: 2016-06-20 Last updated: 2016-10-04Bibliographically approved

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Zamani, MohammadrezaSeifeddine, Salem
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JTH, Materials and ManufacturingJTH. Research area Materials and manufacturing – Casting
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