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Magnus Kahlin

Adjunct Associate Professor

Additive manufacturing in metal is a research field that interests me. How the AM process and geometries influence fatigue and damage tolerance needs to be understood to increase industry acceptance and to impose AM in high-performance products.

Additive manufacturing in metal

Additive manufacturing (AM) often called 3D-printing in metal is a relatively new production method that allows the manufacturer to automatically create physical components directly from a computer model.

AM can be used to produce industrial parts both lighter in weight, cheaper to produce, and with complex geometries that are difficult or impossible to produce with conventional methods.

The mechanical properties of metal AM-components can differ substantially from the properties of the same component produced by conventional techniques. This is due to the complexity of the AM-methods and the large quantity of process parameters. To gain industrial acceptance and to be able to introduce AM in high performance applications, a deeper understanding of how the AM process and geometries influence fatigue and damage tolerance properties, needs to be established.

In addition to my research at LiU, I’m research and implementation leader for AM at Saab Aeronautics.

Brief facts

CV

  • Master of Science in Mechanical Engineering, Linköping University, 2007.
  • Material Engineer, Siemens Industrial Turbomachinery 2008-2011.
  • Material Engineer, Saab Aeronautics, 2011-

Research

Publications

2022

Magnus Kahlin, Hans Ansell, Johan Moverare (2022) Fatigue crack growth for through and part-through cracks in additively manufactured Ti6Al4V International Journal of Fatigue, Vol. 155, Article 106608 (Article in journal) Continue to DOI

2021

Magnus Kahlin (2021) 3D-printing for Aerospace: Fatigue Behaviour of Additively Manufactured Titanium
Mikael Segersäll, Annie Kerwin, Alex Hardaker, Magnus Kahlin, Johan Moverare (2021) Fatigue Response Dependence of Thickness Measurement Methods for Additively Manufactured E-PBF Ti-6Al-4 V Fatigue & Fracture of Engineering Materials & Structures, Vol. 44, p. 1931-1943, Article 13461 (Article in journal) Continue to DOI
Magnus Kahlin, Hans Ansell, Annie Kerwin, Bethan Smith, Johan Moverare (2021) Variable Amplitude Loading of Additively Manufactured Ti6Al4V Subjected to Surface Post Processes International Journal of Fatigue, Vol. 142, Article 105945 (Article in journal) Continue to DOI

2020

Magnus Kahlin, Hans Ansell, D. Basu, A. Kerwin, L. Newton, B. Smith, Johan Moverare (2020) Improved fatigue strength of additively manufactured Ti6Al4V by surface post processing International Journal of Fatigue, Vol. 134, Article 105497 (Article in journal) Continue to DOI

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