ESTIMATING THERMOMECHANICAL RESIDUAL STRESSES IN FDM 3D PRINTED COMPOSITE PARTS

SUAREZ AFANADOR, Camilo Andrés; Cornaggia, Rémi; Maurel-Pantel, Aurélien; Lahellec, Noël; Boussaa, Djaffar; Moulinec, Hervé; Billon, Noelle

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ESTIMATING THERMOMECHANICAL RESIDUAL STRESSES IN FDM 3D PRINTED COMPOSITE PARTS

SUAREZ AFANADOR, Camilo Andrés; Cornaggia, Rémi; Maurel-Pantel, Aurélien et al.

2023 • International Congress of Theoretical and Applied Mechanics

Peer reviewed

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https://hdl.handle.net/10993/58106

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Keywords :

3d printing; homogenization; micromechanics; mean-field approximations; Fast-Fourier-Transform; Full-fueld approximations; Amorphous polymers; Thermo-viscoelasticity

Abstract :

[en] We implemented a two-step methodology to estimate the residual stresses induced by the FDM manufacturing process in 3D printed composite parts. The first step consisted in an analytical thermo-viscoelastic homogenization procedure to derive the effective behavior of the filament. The second step consisted in a coupled thermomechanical structural analysis of the part. The homogenization procedure was assessed by comparing its predictions to full-field FFT-based computations. The structural analysis was assessed by comparing its predictions to experimental results.

Disciplines :

Mechanical engineering
Materials science & engineering

Author, co-author :

SUAREZ AFANADOR, Camilo Andrés ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SPASYS

Cornaggia, Rémi; Aix Marseille Univ, CNRS, Centrale Marseille, LMA, Marseille, France ; Inovsys, Marignagne, France

Maurel-Pantel, Aurélien; Aix Marseille Univ, CNRS, Centrale Marseille, LMA, Marseille, France

Lahellec, Noël; Aix Marseille Univ, CNRS, Centrale Marseille, LMA, Marseille, France

Boussaa, Djaffar; Aix Marseille Univ, CNRS, Centrale Marseille, LMA, Marseille, France

Moulinec, Hervé; Aix Marseille Univ, CNRS, Centrale Marseille, LMA, Marseille, France

Billon, Noelle; MINES ParisTech, CEMEF, Sophia Antipolis, France

External co-authors :

yes

Language :

English

Title :

ESTIMATING THERMOMECHANICAL RESIDUAL STRESSES IN FDM 3D PRINTED COMPOSITE PARTS

Publication date :

2023

Event name :

International Congress of Theoretical and Applied Mechanics

Event place :

Milan, Italy

Event date :

du 22 au 27 d'août de 2021

By request :

Yes

Audience :

International

Peer reviewed :

Peer reviewed

Available on ORBilu :

since 28 November 2023

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