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In the context of the ongoing search to reduce greenhouse gas emissions, sulfoaluminate cements, which production emits 30% less of carbon dioxide than that of Portland cement, constitutes an interesting development way. To broaden the field of application of this material, it is however necessary t

Biomaterials, as well as nosocomial diseases got in contaminated environments, are two high-societal impact issues, where development of new metallic glasses (MGs) may contribute to improve significantly the performance of medical devices. Indeed, these innovative homogeneous defect-free materials m

This project aims to bring new knowledge in the understanding of the interaction between molten metals or oxides and concretes. Under these conditions, concretes are subjected to intense degradation. Exploratory experiments carried out with concrete samples and loaded with molten stainless steel hav

FALSTAFF aims to provide technological bricks leading to a limitation of eddy current losses in magnetic components and to a general optimization of magnetic performance in the high frequency field, leading to a major breakthrough in the design of electrical machines, high performance alternating cu

In recent years, high entropy alloys (HEA) in bulk form have become an exciting field of research in the Material Science community, in particular for their mechanical properties. Due to the high mixing entropy effect, these materials, containing multiple elements (typically 4 to 6), tend to form si

The DAMMAG project aims at studying the modifications of magnetic properties of thin films deposited on polymers, as a function of controlled complex loading paths ranging from small up to large deformations. Indeed, the relationships between the changes of magnetic properties of thin films and dama

The FLAMIR project aims to produce fiber lasers in the mid-infrared (MIR) beyond 4 µm, based on chalcogenide glass (ChG) fiber doped with rare-earth (RE) ions such as Dy3+ or Pr3+. These materials are very promising for this application since they show low phonon energy and high refractive index, an

The goal of the project is to develop novel functional inorganic materials based on fluoride and oxide crystals and single-crystalline thin films heavily doped with rare-earth ions, and to demonstrate their suitability for compact, high brightness, powerful and ultrashort-pulse laser sources directl

Thermoelectricity is considered a promising clean energy technology that could help to reduce our dependence on fossil energies by directly and reversibly converting heat into electricity. Achieving a high thermoelectric figure of merit is a major objective to reach a wider use of this technology. S

The machining of titanium alloys requires the use of cutting fluids (soluble / whole oils) which has a strong positive impact on productivity, but also very negative on ecology. The REACH regulation presents chemical and biological risks and imposes a strong restriction on these petroleum products t

CORTIORGAN will demonstrate innovative manufacturing processes resulting in a new class of optogenetics-based cochlear implants using optical stimulation of auditory nerves instead of electrical stimulation. Due to the high electrical conductivity of tissue, optical stimulation of the Organ of Corti

Additive manufacturing (AM) combined with a subtractive process (such as machining) enables the creation of parts with high complexity, tight tolerances, and good surface finishing. AM enables complex geometries to be generated, while machining produces better geometric accuracy and surface finishin

The durability of materials exposed to corrosive conditions is a major stake as it affects process and plant safety and implies large costs. In real applications and in future “zero emission technologies”, metallic alloys are and will be subjected to oxidizing and water-rich environments at high tem

Emerging applications of oxide nanoparticles inspire an in-depth comprehension on balancing their structure, surface and composition to afford multiple functionalities. Rare earth vanadates are archetypical luminescent materials that enable not only fundamental detailing on solid-state mechanisms an

Polymers play an important role in the French nuclear power industry. They are used in many safety-related applications and in large quantities to fight corrosion and fire. However, they are less durable than steel or concrete, and their maintenance has a direct impact on the cost of energy producti

Life time prediction of a metallic alloy subjected to high temperature oxidation is a challenge of major industrial interest. The multi-physical and multi-scale natures of the interactions at play during high temperature oxidation require considering the strong couplings between chemical and diffusi

Reducing friction in severe tribological contacts is a major concern nowadays due to the societal context of energy saving. MoS2 is a 2D material interesting to reduce friction in such contacts, whether obtained as coatings and then tested under dry conditions, or obtained by tribochemical reactions

The ultimate objective of materials science is to be able to adapt microstructures to reach desired properties. However, no consistent constitutive models were made to date essentially because of the need to statistically link the microscopic and macroscopic scales. In this project, we propose an or

Lead Zirconate Titanate (PZT) is today, thanks to its high piezoelectric coefficients, the best performing material for piezoelectric micro-actuator applications. However, the presence of lead (Pb) in this material represents a threat for its long-term use in industry. Despite active research worldw

The need to reduce greenhouse gas emissions in transport - automobiles, aeronautics - makes it essential to develop light alloys with mechanical properties beyond those achieved by traditional processes. The objective of the SpinodalDesign project is to design such aluminum-based alloys, by combinin

The degradation of the materials may cause significant problem in our society by limiting the performance and sustainability of a system using those materials. Controlling the degradation of the materials is critical to minimize the financial burden and also to economize the scarce resources that we

The PRC-type ANR project PIXIES focuses on the synthesis and characterization of a new class of composite materials coupling the key properties required for Oxygen Evolution Reactions (OER) and Hydrogen Evolution Reaction (HER) in an alkaline electrolyser technology. They will consist of MXenes as h

Understanding mechanisms of deformation at the sub-micron scale is the key for designing new materials and alloys for industrial applications, as the mechanical behaviour of materials at such small scale differs strongly from macroscale. It requires the determination of strains/stresses, dislocation

A wide range of industrial applications require high temperature environment (typ. > 800°C), including engine/propulsors in aeronautic/space sectors, or reactive chambers (metallurgy, laser additive manufacturing, nuclear reactors). Inside these environments, the use of glass-based optical componen

The development of miniaturized electrodes has been the subject of intense research for many years because of unique beneficial properties arising at small scales. In this context, the PELICAN project aims at developing miniaturized sensors based on multimaterials/multifunctional fibers as optrodes

In the pursuit of lower CO2 emissions, Electric Vehicles (EVs) represent a promising step toward completely decarbonizing the transportation sector. However, the shift to EVs brings new challenges in the field of lubrication and tribology, related mainly to the increasingly harsher and broader range

The SiCLAMEN project focuses on the study of the behavior of matter under HyperVeloce Impacts (HVI) in a velocity range, so far barely explored (8-70 km/s). The proposed approach consists in developing the analogy between hyperveloce impacts and laser shocks. It will benefit from the versatility of

Advances in numerical simulation allow most real mechanical tests to be replaced, completed or prepared by virtual tests. It is now necessary to take into account the interactions between crystal defects, which requires the identification of many parameters in the continuum mechanics framework. The

Although nanocrystalline metal nitride coatings are currently used for their outstanding properties such as hardness and wear resistance, improving these properties remains a challenge. Most of them are based on nitrides such as TiN or CrN and their mechanical properties can be improved by combining

DOMINO aims to discover a novel class of amino acid/dipeptide-based porous bioMOFs combining a high chemical stability, multiple catalytic sites and homochirality and to evaluate the performance of these materials as heterogeneous catalysts for CO2 cycloaddition to epoxides. Novel bioMOFs will be sy

CleanSEA proposes to evaluate the effectiveness of nano-architected coatings based on inorganic and photoactive materials to prevent or limit the formation of marine biofilms. CleanSEA develops a dual strategy based on the combination of antifouling and fouling release effects thanks to the topograp

This project aims implement a complete modeling of the hydrogen blistering phenomenon in metals, accounting for every process stages: vacancy diffusion & clustering; bubble formation; bubbles growth, cracking. This model will be applied to two model materials for mechanical and fusion communities: i

Many industries are exploring new materials and processes that offer high performance while reducing their energy footprint. To this end, metal/composite structural bonding is an attractive joining technique as it ensures a reduction in on-board weight compared to traditional techniques, such as riv

Aiming at enhancing the work-hardening behavior of strategic light-weight and corrosion resistant Ti-alloys, the TWIP (twinning induced plasticity) Ti-alloys family was developed. Playing with the stability of the ?-phase (body centered cubic), the TWIP mechanism can be triggered. Thanks to this alt

The economic and environmental sustainability of powder-bed additive manufacturing processes of aluminum-based alloys will lie on the control of raw material all over the manufacturing steps: powder production, storage, transportation, use in additive manufacturing chamber, reuse, recycling and fina