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On the effects of defects and imperfections on tensile toughness of a secondary aluminium alloy
Jönköping University, School of Engineering, JTH, Materials and Manufacturing.ORCID iD: 0000-0003-2671-9825
Swerea SWECAST, Jönköping, Sweden.
Jönköping University, School of Engineering, JTH, Materials and Manufacturing.ORCID iD: 0000-0001-6481-5530
2019 (English)In: Shape casting: 7th International Symposium Celebrating Prof. John Campbell's 80th Birthday / [ed] Murat Tiryakioḡlu, William Griffiths, Mark Jolly, Springer, 2019, p. 131-141Conference paper, Published paper (Refereed)
Abstract [en]

In order to design and produce high-quality castings with reliable performance, the effect of the melt handling and melt quality during different processing stages needs to be understood and controlled, and numerical methods to provide correct input data to structural analyses of castings enabled. This paper aims to investigate tensile properties, in particular tensile toughness, of a secondary high-pressure die casting (HPDC) aluminium alloy with different levels of defects and imperfections. The melt, which was transported in liquid state from the smelter to the foundry, has been sampled after different holding times by casting into Y-blocks. Tensile testing was performed, and the levels of defects and imperfections were characterized using measurements of porosity, bifilm index, density index, sludge factor and the amount of iron-rich intermetallics. Two different quality indices have been evaluated, and a method to apply the results in simulations of damage in a casting, containing defects, subjected to load is demonstrated. 

Place, publisher, year, edition, pages
Springer, 2019. p. 131-141
Series
Minerals, Metals and Materials Series, ISSN 2367-1181, E-ISSN 2367-1696
Keywords [en]
Component casting, Defects, Quality index, Shape casting, Toughness, Die casting, Numerical methods, Tensile testing, High pressure die casting, High quality castings, Measurements of, Processing stage, Quality indices, Reliable performance, Tensile toughness, Quality control
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:hj:diva-43568DOI: 10.1007/978-3-030-06034-3_13Scopus ID: 2-s2.0-85064063515ISBN: 9783030060336 (print)ISBN: 9783030060343 (electronic)OAI: oai:DiVA.org:hj-43568DiVA, id: diva2:1313211
Conference
Shape casting : 7th International Symposium Celebrating Prof. John Campbell's 80th Birthday
Available from: 2019-05-02 Created: 2019-05-02 Last updated: 2019-05-02Bibliographically approved

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Olofsson, JakobSeifeddine, Salem

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