COLLOQUIUM 613
Microstructures and micromechanisms in metallic additive manufacturing

7 July — 9 July 2021, Palaiseau, France

Program


Time Zone: UTC+2


Wednesday, July 7, 2021

9h15 – 9h30

Opening remarks

Session 1
Chair: Manas V. Upadhyay

9h30 – 10h15

Microstructure evolution during laser powder bed fusion

Steven Van Petegem
Paul Scherrer Institute, Switzerland

10h15 – 11h00

Tomographic inspection of the internal defects introduced by additive manufacturing and their nucleation and propagation of cracks by time-lapse X-ray CT

Philip J. Withers
University of Manchester, UK

11h00 – 11h45

Porosities and cracks in Laser Powder Bed Fusion: new methods for their monitoring, control and repair

Roland Logé
Ecole Polytechnique Fédérale de Lausanne, Switzerland

11h45 – 13h30

Break

Session 2
Chair: Roland Logé

13h30 – 14h15

Strategies for Functional Grading during Additive Manufacturing

Moataz M. Attallah
Universite of Birmingham, UK

14h15 – 15h00

Microstuctural deformation mechanisms in AM alloys: a combined EBSD/ HR-DIC method

Eric Charkaluk
Ecole Polytechnique, France

15h00 – 15h45

Triggering new deformation mechanisms in Ti64 by heat treatments: a step forward into the improvement of the ductility and work-hardening of 3D printed parts

Stéphane Godet
Université Libre de Bruxelles, Belgium

15h45 – 16h15

Open discussions on the day’s talks

Thursday, July 8, 2021

Session 3
Chair: Eric Charkaluk

9h30 – 10h15

Icosahedral quasicrystalline-enhanced nucleation in Al alloys manufactured by selective laser melting

Maria Teresa Pérez Prado
Instituto IMDEA Materiales, Spain

10h15 – 11h00

Design of high-strength Aluminium alloys for AM to control solidification behavior and optimize microstructure after aging treatments

Maurizio Vedani
Politecnico di Milano, Italy

11h00 – 11h45

Damage resistance and fatigue life enhancement by post-processing of additive manufacturing (L-PBF) AlSi10Mg

Aude Simar
Université Catholique de Louvain, Belgium

11h45 – 13h30

Break

Session 4
Chair: Aude Simar

13h30 – 14h15

Additive manufacturing of oxide dispersion strengthened (ODS) alloys

Christian Leinenbach
EMPA, Switzerland

14h15 – 15h00

Ultrafine-grained ferritic steels by L-PBF via ex-situ addition or in-situ synthesis of inoculants

Eric A. Jägle
Universität Bundeswehr München, Germany

15h00 – 15h45

LPBF processing behavior, heat treatment optimization and characterization of strong and conductive Cu-based alloys for thermal transfer applications

Kim Vanmeensel
KU Leuven, Belgium

15h45 – 16h15

Open discussions on the day’s talks

Friday, July 9, 2021

Session 5
Chair: Roland Logé

9h30 – 10h15

Modeling challenges for solidification grain structures in additive manufacturing components

Charles-André Gandin
Mines ParisTech, France

10h15 – 11h00

Modeling of microstructure development during fusion-based metal AM

Damien Tourret
Instituto IMDEA Materiales, Spain

11h00 – 11h45

Understanding microstructure evolution due to solid-state thermal cycling during metal AM: experiments and modeling

Manas V. Upadhyay
Ecole Polytechnique, France

11h45 – 12h30

Open discussions on the day’s talks + Closing remarks