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Congrats to Saber Chelaghma winner of the SAMPE Europe PhD Student Symposium!

Saber Chelaghma, european winner, & Philippe Briant, President of SAMPE France
Saber Chelaghma third year PhD student at IRT Saint Exupéry won the Sampe Europe Student Symposium 2017 in Stuttgart. His thesis is supervised by Clément Ader Institute and Airbus.

SAMPE Europe

The European contest of the SAMPE Student Symposium 2017 took place in Stuttgart (Germany) from 14th to 16th of November. After winning the national selection, Saber took the 1st place of the competition with his presentation: “Crystallization kinetic modelling of multifunctional thermoplastic composites… First step towards mechanical and electrical optimization”.

After winning the SAMPE France & Europe, Saber will participate in the CAMX – the Composite & Advanced Materials eXpo in October 2018, in Dallas. This event is organized by ACMA and SAMPE.

Student group at the SAMPE Europe Symposium 2017

SAMPE France : Technical Days

As the French winner of the 32nd edition, Saber had the privilege to present his work during the SAMPE technical days of chapter France.

Sponsored by the IRT Saint Exupéry, the cocktail reception of the SAMPE France days, in collaboration with Airbus (sponsor of the gala diner), took place on November 23rd. This event was the occasion for Saber to present his work in front of an audience of 400 industrials.

Ariel Sirat, IRT’s CEO, also presented the Thermoplastics and Addictive Manufacturing activities of IRT Saint Exupéry in a speech.

Ariel Sirat, IRT Saint Exupery’s CEO, Saber Chelaghma, IRT PhD Student, Claire Coppel, past-president of SAMPE France and Philippe Briant, President of SAMPE France and Head of composite materials & processes laboratory at Ariane Group

Thesis Subject

PAEK/Carbon fiber composites functionalization for aerospace application: Characterization, modelling and influence study on composite properties.

About this thesis

Crystallization kinetic model

In the frame of COMPINNOVTP project,  new high performance thermoplastic solutions are investigated to contribute to further mass and cost reduction for the aerospace industry. But current composites have too low electric conductivity properties because of the polymer matrix. In order to insure without risks the electrostatic charge flow (as lightning strike, air friction…) IRT Saint Exupéry investigates conductive fillers integration in a high performance polymer.

One of the studied polymer has lower fabrication costs and lower processing temperatures compared to others. It also may have different formulations with different properties. The possibility of varying the physicochemical properties of polymer is very interesting, but the difficulties related to the control of crystallization make it a disadvantage. Saber Chelaghma researches aim to understand these phenomena to improve control and optimization of manufacturing cycles of carbon fibers reinforced polymer.

The final objective is the identification of the process parameters to obtain optimum mechanical properties during manufacturing cycles.

Generation of material microstructure

Generation of material microstructure

Related Publication

S. Chelaghma, O. De Almeida, P. Marguerès, J.-C. Passieux, J.-N. Périé, B. Reine and A. Vinet. ETUDE DE LA MORPHOLOGIE CRISTALLINE DU PEKK ET CARACTERISATION DE LA CINETIQUE DE CRISTALLISATION DES COMPOSITES A MATRICE PEKK. Proceedings of JST AMAC – Mise en Œuvre des Composites à Matrice Thermoplastique, 2017

S. Chelaghma, J.-N. Périé, P. Marguerès, J.-C. Passieux, A. Vinet and B. Reine (2017). Prévision du comportement multi-physique élémentaire d’un matériau composite à matrice thermoplastique chargée et renforcée de fibres de carbone : Identification des propriétés en lien avec les paramètres de fabrication du matériau et validation des modèles – Concours Doctorants SAMPE EUROPE 2017 Materials & Processes, 2017.

S. Chelaghma, B. Reine, J.-N. Périé, P. Marguerès, J.-C. Passieux, A. Vinet and O. De Almeida (2017): Investigation of crystal morphology of PEKK and modelling of the crystallization kinetic of PEKK composites. JNC 20 (Journées Nationales sur les composites), June 28 – 30, 2017, Champs-sur-Marne (France)

S. Chelaghma, O. De Almeida, P. Marguerès, J.-C. Passieux, J.-N. Périé, B. Reine and A. Vinet (2017): Etude de la morphologie cristalline du PEKK et caractérisation de la cinétique de cristallisation des composites à matrice PEKK. JST AMAC (Journées Scientifiques et Techniques de l’AMAC), Jan. 26 – 27, 2017, Toulouse (France).