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Aliakbar Emdadi

As seen in: MDPI
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Articles

Hot Working of an Fe-25Al-1.5Ta Alloy Produced by Laser Powder Bed Fusion

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By Aliakbar Emdadi, Sebastian Bolz, Sabine Weiß
| MDPI
5. Discussion Deformation conditions significantly affect the flow stress behavior of the studied alloy at high temperatures. The flow stress declines with increasing temperature and decreasing strain rate. Evident flat shape curves associated with DRV are not observed. Nevertheless, most flow curves reveal a broad peak followed by an insignificant drop in stress.
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Hot Workability Investigation of an Fe-Al-Ta Alloy using Deformation Processing Maps

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By Aliakbar Emdadi, Michael Tovar, Heiner Michels
| MDPI
This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessFeature PaperArticle by Aliakbar Emdadi 1,*, Heiner Michels 2 and Michael Tovar 3 1 Chair of Physical Metallurgy and Materials Technology, Brandenburg University of Technology Cottbus-Senftenberg, Platz der Deutschen Einheit 1, Konrad-Wachsmann-Allee 13, 03044 Cottbus, Germany 2 Access e.V., Intzestr.
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On the Hot Deformation of a Fe-Al-Ta Iron Aluminide Prepared via Laser Powder Bed Fusion

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By Aliakbar Emdadi, Sebastian Bolz, Felix Jensch, Michael Tovar
| MDPI
Abstract : In the present work, a combined process of laser powder bed fusion (LPBF) and hot working in terms of microstructure refinement was investigated for Fe-25Al-1.5Ta alloy samples. Uniaxial compression tests were carried out parallel and perpendicular to the building direction (BD) at 1000 °C, where BCC A2-phase was stable, at a strain rate of 0.0013 s−1.
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