Matériauthèque

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Bio sourced wing

Nicolas Durey (n19)

The project was to make dragonfly-inspired drone wings with bio-sourced wings (made from natural and organic materials). To do this, we made a frame out of PLA (derived from corn) using 3D printing. To fill the wing, we invented an algae-based plastic. This material is a bio-sourced and biocompatible polymer. It is even edible and biodegradable! It is ultra thin, which makes the wing light and strong.

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Polypropylene

Arnaud lafouge (n19)

As part of our industrial project for the plastic injection company Mil Plast, we studied biocomposites. These are composites with a Polypropylene matrix reinforced with vegetable fibres. We mechanically characterised these materials by carrying out video traction and dynamic mechanical analysis (DMA) tests at the Institut Jean Lamour.

LAFOUGE échantillons - Arnaud LAFOUGE
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Copper iodide

Corentin Aulagnet (N19)

My research project focused on thin film copper iodide (CuI) (about 400nm thick). It is a TCF (Transparent Conducting Film), it is also a degenerate p-type semiconductor. This material is very promising for so-called optoelectronic applications such as solar photovoltaics, where it could be used as a transparent electrode, but also in electronics, for example to make transparent telephones.

Badeker détails has only really started to make a name for itself since the 1990s. There is still a lot to understand about this material, especially about its growth. I studied this material under the supervision of Jean-François PIERSON at the IJL in team 202.

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Siberian signet ring study

Grégoire délizy (n19)

The remarkable character lies less in the material itself than in its origin: I had the opportunity during my departmental project to study a set of signet rings from archaeological excavations carried out on tombs in Yakutia, a region of eastern Siberia where the ground is frozen for most of the year. 


In addition to the "classic" engineering studies that I was able to carry out, this project perfectly illustrates the diversity of possible outlets and applications with the help of the dep Materials training; and particularly the contrast between historic materials such as these signet rings and cutting-edge materials at the heart of current development issues: microelectronics, materials with high added value, etc.