Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux (LEM3)

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Mécanique des Matériaux, des Structures et du Vivant ; Ingénierie des Microstructures, Procédés, Anisotropie, Comportement ; Thermomécanique des Procédés et des Interactions Outil-Matière

Voir le site du laboratoire LEM3 :
http://www.lem3.univ-lorraine.fr

Recent Submissions

Determination of the process-induced microstructure of woven glass fabric reinforced polyamide 6.6/6 composite using terahertz pulsed imaging

Article dans une revue avec comité de lecture

CALVO-DE LA ROSA, J.; POMAREDE, Pascal; ANTONIK, P.; MERAGHNI, Fodil; CITRIN, D.S.; RONTANI, D.; LOCQUET, A. (Elsevier BV, 2023-06)

Terahertz pulsed imaging, combined with spatial and temporal signal and image processing, is performed to visualize the woven fabric in the various plies of glass-fiber-reinforced polymer laminates and to determine ...
Physically informed deep homogenization neural network for unidirectional multiphase/multi-inclusion thermoconductive composites

Article dans une revue avec comité de lecture

JIANG, Jindong; WU, Jiajun; CHEN, Qiang; CHATZIGEORGIOU, George; MERAGHNI, Fodil (Elsevier BV, 2023-05)

Elements of the periodic homogenization framework and deep neural network were seamlessly connected for the first time to construct a new micromechanics theory for thermoconductive composites called physically informed ...
Ultrasonic guided waves interaction with cracks in the front glass of thin-film solar photovoltaic module

Article dans une revue avec comité de lecture

SILITONGA, Dicky; DECLERCQ, Nico F.; POMARÈDE, Pascal; MERAGHNI, Fodil; BOUSSERT, Bertrand; DUBEY, Pooja (Elsevier BV, 2023-03)

As the solar photovoltaics power system sees rapid growth in installed capacity and plays a significant role in the future global energy mix, its reliability becomes a crucial factor in maintaining the stability of the ...
Gradient enhanced multi-scale modeling framework for glass fiber reinforced polyamides

Article dans une revue avec comité de lecture

SATOURI, Soheil; CHATZIGEORGIOU, George; BENAARBIA, Adil; MERAGHNI, Fodil (Elsevier BV, 2023-02)

This study proposes a multi-scale gradient enhanced nonlocal modeling framework aimed at predicting the mechanical response of long glass fiber reinforced polyamide composites that exhibit nonlinear viscoelastic viscoplastic ...
Extended mean-field homogenization of unidirectional piezoelectric nanocomposites with generalized Gurtin-Murdoch interfaces

Article dans une revue avec comité de lecture

CHEN, Qiang; CHATZIGEORGIOU, George; MERAGHNI, Fodil (Elsevier BV, 2022-12)

This paper presents for the first time an extended Mori-Tanaka approach aimed at identifying the little-explored piezoelectric response of unidirectional nanoporous composites with energetic surfaces. The interface is ...
Combination of mean-field micromechanics and cycle jump technique for cyclic response of PA66/GF composites with viscoelastic–viscoplastic and damage mechanisms

Article dans une revue avec comité de lecture

CHEN, Qiang; CHATZIGEORGIOU, George; ROBERT, Gilles; MERAGHNI, Fodil (Springer Science and Business Media LLC, 2023-01)

An accelerated micromechanics framework based on the extended Mori–Tanaka transformation field analysis (TFA) and cycle jump technique is proposed to predict the homogenized response of short glass fiber-reinforced polyamide ...
Development of Temperature-Controlled Shear Tests to Reproduce White-Etching-Layer Formation in Pearlitic Rail Steel

Article dans une revue avec comité de lecture

THIERCELIN, Léo; CAZOTTES, Sophie; SAULOT, Aurélien; LEBON, Frédéric; MERCIER, Florian; LE BOURLOT, Christophe; DANCETTE, Sylvain; FABRÈGUE, Damien (MDPI, 2022-09)

The formation of a white etching layer (WEL), a very hard and brittle phase on the rail surface, is associated with a progressive transformation of the pearlitic grain to very fragmented grains due to the cumulative passage ...