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3D Microstructural Study of AlSi8Mg5 Alloy by FIB-Tomography

Dedicated to Professor H. P. Degischer on the occasion of his 65th birthday
  • Fernando Lasagni , Andrés Lasagni , Christian Holzapfel , Michael Engstler and Frank Mücklich
Published/Copyright: May 5, 2013
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Practical Metallography
From the journal Practical Metallography Volume 47 Issue 9

Abstract

In the present work, a foundry AlSi8Mg5 alloy is investigated by FIB-Tomography in the as-cast condition and after semi-solid heat treatment. The different microstrutural features are characterized quantitatively using morphological shape factors. The 3D-shape of Mg2Si Chinese script as well as Si and impurity Fe containing phases are revealed in high detail. A comparative study with respect to 2D structures is presented as well.

Kurzfassung

In der vorliegenden Arbeit wird eine AlSi8Mg5-Gießereilegierung mit der FIB-Tomographie in gegossenem Zustand und nach einer Halbfest-Wärmebehandlung untersucht. Die verschiedenen Merkmale der Mikrostruktur werden unter Anwendung morphologischer Formfaktoren charakterisiert. Die 3D-Form von Mg2Si (Chinesenschrift) sowie die Si und verunreinigendes Fe enthaltenden Phasen werden sehr ausführlich offenbart. Ebenso wird eine Vergleichsuntersuchung in Bezug auf 2D-Strukturen vorgestellt.

∗∗ Institute of Materials Science and Technology, Vienna University of Technology, Karlsplatz 13/E308, A-1040 Vienna, Austria Email:
∗∗∗ Dr. A. Lasagni2, Dr. C. Holzapfel[3], Dipl.-Ing. M. Engstler, Prof. Dr. F. Mücklich Functional Materials — Department Materials Science, Universität des Saarlandes, Gebäude C6.3, 7. Etage, P.O. Box. 15 11 50 – D-66041, Saarbrücken, Germany

Fernando A. Lasagni Fernando A. Lasagni holds a PhD in Materials Science (TU-Vienna, 2006) in the field of Al-alloys and MMCs. He was awarded with the Fritz-Grasenick Prize 2007 by the Austrian Society of Electron Microscopy for his research in FIB Tomography. After occupying a research position at IberEspacio S.A. (2008), he joined FADA-CATEC where he is currently the head of the Materials and Processes department.

Andrés Lasagni Andres F. Lasagni earned his doctorate in Materials Science at University of Saarland. He has been awarded with the Fritz-Grasenick 2007 and the Werner Köster Prize 2006 for his work related with FIB-Tomography and Laser processing, respectively. After a Postdoctoral stage at the Georgia Institute of Technology (Alexander von Humboldt Fellowship), he joined the Franhofer IWS where he is currently the head of the Surface Functionalization Group.

The authors wish to thank the INP-Grenoble for the provision of the Al-alloys.

References/Literatur

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Received: 2010-1-31
Accepted: 2010-3-1
Published Online: 2013-05-05
Published in Print: 2010-09-01

© 2010, Carl Hanser Verlag, München

Articles in the same Issue

  1. Contents/Inhalt
  2. Inhalt / Contents
  3. Editorial
  4. Co-Editor Letter / Degischer Special Issue
  5. Technical Contributions/Fachbeiträge
  6. 3D Interpenetrating Hybrid Network of Rigid Phases in an AlSi10Cu5NiFe Piston Alloy
  7. 3D Microstructural Study of AlSi8Mg5 Alloy by FIB-Tomography
  8. Study of Microstructural Evolution of X4CrNiSiTi14-7 During Thermal Aging
  9. Microstructural Features of AZ31 Deformed at High Temperatures
https://doi.org/10.3139/147.110088

Articles in the same Issue

  1. Contents/Inhalt
  2. Inhalt / Contents
  3. Editorial
  4. Co-Editor Letter / Degischer Special Issue
  5. Technical Contributions/Fachbeiträge
  6. 3D Interpenetrating Hybrid Network of Rigid Phases in an AlSi10Cu5NiFe Piston Alloy
  7. 3D Microstructural Study of AlSi8Mg5 Alloy by FIB-Tomography
  8. Study of Microstructural Evolution of X4CrNiSiTi14-7 During Thermal Aging
  9. Microstructural Features of AZ31 Deformed at High Temperatures
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