Mikolajczak, Piotr and Ratke, Lorenz (2014) Three Dimensional Morphology of Mn Rich Intermetallics in AlSi Alloys Investigated with X-Ray Tomography. Materials Science Forum, 790, pp. 335-340. DOI: 10.4028/www.scientific.net/MSF.790-791.335. ISSN 0255-5476.
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Elementary Mn has a great importance as neutralizer of Fe intermetallics like β-Al5FeSi, which have detrimental effect on mechanical characteristics of AlSi alloys. Presence of Mn in AlSi alloys causes the formation of other intermetallic phases. To understand the effect of solidification conditions and fluid flow on the microstructure of AlSi-based alloys and the addition of Mn leading to Mn-based intermetallics, Al-5 wt pct Si 0.2/0.4/1.0 wt pct Mn alloys have been directionally solidified under defined thermal (gradient 3 K/mm), solidification velocity (0.02-0.12 mm/s) and fluid flow (rotating magnetic field 6 mT) conditions. The Mn-based intermetallic phases were studied using 3D X-ray tomography. The tomography has showed three dimensional complicated structure of Mn phases developed.
|Title:||Three Dimensional Morphology of Mn Rich Intermetallics in AlSi Alloys Investigated with X-Ray Tomography|
|Journal or Publication Title:||Materials Science Forum|
|In ISI Web of Science:||No|
|Page Range:||pp. 335-340|
|Keywords:||Solidification, Al-Alloys, intermetallic phases, x-ray-tomography|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Space|
|HGF - Program Themes:||Research under Space Conditions|
|DLR - Research area:||Raumfahrt|
|DLR - Program:||R FR - Forschung unter Weltraumbedingungen|
|DLR - Research theme (Project):||R - Vorhaben Materialforschung unter Mikro-g|
|Institutes and Institutions:||Institute of Materials Research|
|Deposited By:||Barbara Milow|
|Deposited On:||10 Jul 2014 14:52|
|Last Modified:||27 Feb 2015 16:07|
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