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Microstructure, texture and mechanical properties of al alloy a380 prepared by directional solidification method
Högskolan i Jönköping, Tekniska Högskolan, JTH, Material och tillverkning. Discipline of Metallurgy Engineering and Materials Science, Indian Institute of Technology Indore, India.
Högskolan i Jönköping, Tekniska Högskolan, JTH, Material och tillverkning.ORCID-id: 0000-0001-6481-5530
Högskolan i Jönköping, Tekniska Högskolan, JTH, Material och tillverkning.ORCID-id: 0000-0002-0101-0062
2019 (engelsk)Inngår i: Manufacturing Sciences and Technologies IX: 9th International Conference on Manufacturing Science and Technology (ICMST 2018), Trans Tech Publications, 2019, Vol. 287, s. 18-23Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The mechanical properties of Al-Si alloys are affected by several microstructural features such as secondary dendrite arm spacing (SDAS), size and shape of eutectic Si-particles, presence of intermetallics as well as by porosity. In the current study, Al-Si-Cu alloy A380 was prepared by a unique directional solidification method to produce samples with two different SDAS of 9 μm and 27 μm. The lower solidification rate resulted in larger SDAS, larger grain size, larger eutectic Si and larger intermetallics including Fe-rich β phase. The microstructure with higher solidification rate was found to be finer and more homogeneous with smaller eutectic Si and intermetallics. The specimen with larger SDAS exhibited stronger texture than the one with smaller SDAS. The specimen with smaller SDAS showed improved mechanical properties including YS, UTS and ductility. 

sted, utgiver, år, opplag, sider
Trans Tech Publications, 2019. Vol. 287, s. 18-23
Serie
Diffusion and defect data, solid state data. P. B, Solid state phenomena, ISSN 1012-0394, E-ISSN 1662-9779 ; 287
Emneord [en]
Al-Si-Cu alloys, Electron backscattered diffraction, Secondary dendrite arm spacing, Solidification, Aluminum alloys, Copper alloys, Dendrites (metallography), Eutectics, Intermetallics, Manufacture, Mechanical properties, Textures, Electron back-scattered diffraction, Eutectic si, Microstructural features, Properties of Al, Si-Cu alloys, Size and shape, Solidification rate, Silicon alloys
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Identifikatorer
URN: urn:nbn:se:hj:diva-43602DOI: 10.4028/www.scientific.net/SSP.287.18Scopus ID: 2-s2.0-85064218056ISBN: 9783035713886 (tryckt)ISBN: 9783035733884 (digital)OAI: oai:DiVA.org:hj-43602DiVA, id: diva2:1314156
Konferanse
9th International Conference on Manufacturing Science and Technology, ICMST 2018, Kuala Lumpur, Malaysia, 11 - 13 August 2018
Tilgjengelig fra: 2019-05-07 Laget: 2019-05-07 Sist oppdatert: 2019-05-07bibliografisk kontrollert

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