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Optimisation des Procédés d'Elaboration par Refusion (Arc-Slag) – OPERAS
The aim of the project OPERAS is the development of numerical models for simulating the ESR (Electro Slag Remelting) and VAR (Vacuum Arc Remelting) processes. Both processes are based on the remelting of a consumable electrode of the required grade and subsequent solidification of the ingot which re
Analyse multi-échelle de la fissuration des élastomères chargés – AMUFISE
Sparing our natural resources is very important for tyre industry, on both the society side and the economical side. Optimal design - lighter tyres but even safer and with longer life – is a real challenge that can only be addressed with a thorough understanding of crack growth mechanisms. In the sp
Conception et élaboration d'étiquettes autoadhésives "écologiques" par microencapsulation d'adhésif – ECOLABELS
Presently, the annual world market production of the label represents 57 billion of US Dollars which corresponds to about 30 billion of m ². The self adhesive labels constitute the 2/3 of this production. A self adhesive label is made up of a frontal (destined to transmit the information of the futu
Revêtements nanostructurés multifonctionnels : ANTI-adhésifs, inTACHables et durs. – ANTI-TACH
The development of non-stick cookware during the fifties has largely contributed to make every body's cooking habits evolve. Today, however, more and more consumers look (back) for hard cooking surfaces which resist well to their aggressive cleaning. With the objective of proposing to these consumer
Elaboration par des procédés propres et applications de nouveaux oligoéthers réactifs issus de ressources renouvelables – GREENCOAT
The manufacturers of the chemistry have today to react in front of constraints connected to the rarefaction of the fossil raw materials and consequently to the increase of their prices, but also to the strong statutory pressure concerning toxicological aspects of the raw and intermediate materials o
Innovative manufacturing Route for Intermetallic alloys by spark plasma net Shaping – IRIS
This project is devoted to the net shape manufacturing of two intermetallic materials by means of an emerging powder compaction technique called SPS (Spark Plasma Sintering). Application of this technology to high performance intermetallics that are difficult to manufacture or to form using conventi
Dual Phase Steels Magnetism Modeling – DPS-MMOD
With the need to reduce carbon dioxide emissions, the trend is to make lighter auto bodies, yet without sacrificing their aptitude to protect car passengers in case of accidents. Steel manufacturers such as ArcelorMittal are currently developing a new generation of flat carbon steels, especially for
Modélisation des Propriétés Optiques et STRucturales des verres fondus et fibrés, dans une optique Environnementale (POSTRE) – POSTRE
This project aims at obtaining optical and structural data on silicate melts and glasses of industrial interest which will be completed by atomistic simulations. It associates Saint-Gobain Recherche together with three university/CNRS laboratories (Institut de Minéralogie et Physique des Milieux Con
MODélisation ELectrochimique du comportement des phases Intermétalliques dans les alliages d'Aluminium: approche multi-echelle de matériaux polyphasés – MODELIA
Aluminium alloys of 2xxx (Al-Cu) and 7xxx (Al-Zn-Mg-Cu) types are widely used in mechanical industry, and especially in aeronautic domain, because of their low density coupled with high mechanical properties. In these alloys, the hardening of aluminium is due to the coherent precipitation of Cu-base
MODification chimique des polymères à l'Etat fondu et en Machines – MODEM
The MODEM project has for objective the setting up of new processes of chemical modification of polymers in the molten state. The technological constriction which the MODEM project wants to resolve is the fact that the classical processes dealing with polymers chemical modification often implement
Revêtements Sol-Gel Hybrides Photopolymérisables pour Pièces Aéronautiques – MHYRCEA
MHYRCEA aims at developing, characterising and assessing innovative coatings to protect aeronautical metallic substrates against corrosion. Photopolymerizable hybrid sol-gel materials are promising candidates: hybrid sol-gels have been found to provide good corrosion resistance for metal substrates
Matériau solide conducteur thermodurcissable – Application aux plaques bipolaires pour pile à combustible. – MASCOTE
"The MASCOTE project aims at developing and characterizing novel composite bipolar plates based on graphite and thermosetting polymers for use in fuel cells. The materials and processing methodologies developed within the project will both permit a significant reduction of the production cost and in
Matériaux sANdwicheS ARchiTecturés – MANSART
The project presented here is focussed on sandwich structures with structured materials. The objective is to develop and illustrate a methodology of 'materials by design' for multifunctional requirements, taking advantage of the possibilities offered by combination of materials and architecture opti
PROcédé de post-traitement des renforts hybrides pour COMposites – PROCOM
The technology growth of carbon nanotubes on the surface of fiber by catalytic vapor deposition is now fairly well controlled at the level of research laboratories and some applications are already under consideration at industrial level. These nanomaterials have an industrial interest by improving
Amorçage d'une fissure de Fatigue dans un Grain d'Agrégat polycristallin et Propagation dans les grains adjacents – AFGRAP
The industrial objectives of the project are the definition of the economical optimal surface finish of a material in regards to the applied solicitations and the definition of parameters for the optimisation of fatigue tests programmes. The methodology set out in this project is intended to be appl
Procédé de recuits sous champ magnétique intense pour microstructures optimisées (MICrostructures tailored by MAGnetic PROcessing) – MICMAGPRO
In this project, we propose to use high magnetic field processing (several tesla) for the development of alloys with strong added value. The process will use the application of an intense magnetic field during thermal treatment either to increase significantly the performances of Imphy industrial al
Laser vert à base de nitrure de gallium – TRUEGREEN
Green laser light sources are key devices to enable development of bright full-colour projection displays, biomedical instrumentation, medical imaging, high-speed short distance data communications using plastic fibres, and efficient solid-state lighting. Up to now, however, frequency doubling of in
Elaboration d'hydrogels fonctionnalisés à visée cicatrisante à partir d'un matériau naturel (chitine) – PANSKIT
The project of industrial research PANSKIT has aims to develop composite hydrogels associating a natural material (chitin) with some activated carbon, the aimed application being the care chronic wounds. These materials present complementary properties: the recognized biological properties of the ch
Caractérisation et compréhension du comportement en corrosion des structures en alliages d'aluminium 2050 soudées par Friction Stir Welding (FSW) – CorALiS
In recent years, aluminium–lithium (Al–Li) alloys have gained importance as structural materials for aerospace components. Addition of Li to aluminium increases the elastic modulus of the material and also decreases the density. This unique combination resulting in high specific strength and modulus
Titane Bêta Biocompatible Adaptatif – TIBBIA
In implantology, biointegration of the implant is known to be a major issue for the long term clinical success. This biointegration is conditioned by different kinds or parameters such as the chemical nature and the mechanical compatibility of the material regarding the bone/implant interface. Curre
Composite SiC/SiC étanche pour milieux extrêmes – COMPOSiC
Ceramic Composite for Nuclear civil application or chemical industry are still in a dead lock situation due to their poor tightness properties. Theses composites materials are excellent candidates for high temperature (up to 1600°C) application due to the intrinsic properties of their constituents.
Optimisation des propriétés et diminution du coût de composants diélectriques céramiques pour l'électronique – CHEAPCOMPONENTS
This project, which is a collaboration between the Temex Ceramics company and the LUSAC laboratory, intends to optimize the dielectric properties of oxide ceramic components for electronics and to lower their cost. Optimizing components performance directly relies on the elaboration process of the c
Elaboration de céramiques transparentes submicroniques à partir de nanopoudres : applications dans le domaine de l'optique – CERATRANS
CERATRANS The processing of polycrystalline transparent ceramics is a significant technological challenge. These ceramics show better mechanical properties (mechanical strength, hardness, toughness, wear resistance) than for single crystals. Furthermore, they are quasi-isotropic for optical prop
ComposÉs LAmellaires pour les JOints en Applications Sévères – CELAJOAS
Since asbestos was forbidden in France in 1997, no materials have replaced this mineral for high temperature applications in the range [500°C, 1000°C]. This is particularly true in the field of sealing technology. This project is focused on the development of high temperature (up to 900 °C) gaskets
THermO-Mécanique dans les Matériaux cellulaires multi-fonctIonnel – THOMMI
The solid cellular materials present thermal and mechanical properties which makes them very interesting for many applications. One can cite the polyurethane and polystyrene foams with closed pores, largely used in the field of the heat insulation of the building, and metallic foams with open pores
Composants à architectures avancées pour échangeurs thermiques en milieux hostiles – STRATOTUBE
The cost of raw materials, and in particular metallic materials, keeps increasing without much hope that it will stabilize soon. Parallel to this evolution, the industry expects improved performances from materials which are very often used at their limits by the designers. New solutions are therefo