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Fundamental study of plasticity of advanced recyclable Al/Al-Cu-Fe composites – FutureAlCo
Most of material applications require combinations of properties that cannot be reached using one class of material only. For structural applications, the key parameters are high elastic modulus, high strength and high wear resistance. Metal Matrix Composites (MMCs) combine a light and ductile matr
Rheology, wetting and drying of human blood. – D-Blood
The expectations are important in the frame of the forensic community to have a reliable and efficiency aging method in crime scene. The approach that we choose here is very innovative allying the skills of fundamental laboratories (IUSTI, ENSCP, LRP) with applied ones (IRCGN and NFI). The outcomes
Relationships between Microstructure, Residual Stresses and Lifetime in Superalloys – REMEDDIES
Shot peening is commonly used to improve the lifetime of mechanical components subjected to thermomechanical loadings. For polycrystalline superalloys used in aeronautical turbine disks, we may wonder if this mechanical treatment is beneficial after the complex external stresses generated during the
Polymeric nanovectors transfer, from blood flow to tumors – Polytransflow
Polymersomes, a kind of deformable particles, know an increasing enthusiasm from biology, chemistry and pharmacology due to their biocompatibility, their ability to encapsulate either hydrophilic or hydrophobic drugs, their ability to be tuned and their physico-chemical properties preventing their r
High Density CVD/PVD Plasmas for SiNOCH coatings (focus on plasma/surface/interface for optical and electrical properties) – HDPlasm-A-SINOCH
Thin films based on oxides, nitrides or carbides, for optics, dielectric properties (SiO, a-SiCO:H) and passivation (a-SiN:H), are used in microelectronics (insulation of contacts) in the field of opto-electronic sensors, or the field of photovoltaïcs. These thin films are mostly produced by plasma
Multiscale approach to the plastic deformation of amorphous silicates – MultiSil
The remarkable plastic deformation properties of amorphous silicates have numerous technological implications. In glass technology they control the occurrence of surface damage on glass and in this way strongly impact he practical strength of glass, while they may also be connected to the intrinsic
TheRmo-Actuated Migration in a microsystem – TRAM
Bubble/droplet driving has been commonly investigated in soft microfluidic chips, using surfactants to stabilize the dispersed phase, involving simultaneously different phenomena that makes the behaviour of the elements especially difficult to predict. Oppositely, we propose to quantify the influen
Extensional flow breakup of powder aggregates – AgregEx
This project combines a fundamental study of the disruption of powder aggregates in a fluid and its application to the optimization of a new static mixing device. Our aim is to optimize the design of a static flow mixer by a fundamental understanding of the role of trapped gas dissolution and of t
Dynamic REcrystallization in Anisotropic Materials – DREAM
Dynamic recrystallization (DRX) strongly affects the evolution of microstructure (grain size and shape) and texture (crystal preferred orientation) in materials during deformation at high temperature. Predicting the effect of DRX in metals is essential for industrial applications, in rocks for inter
MesOscopic Scale durAbility Investigations for Concrete – MOSAIC
To set up such a sustainable methodology associated to the field of cement-based materials industry requires a deep understanding of their behaviors under the numerous environmental conditions that may occur. Being at the crossroad of several scientific domains such as nonlinear continuum mechanics,
Picosecond ultrasonics for quantitative imaging of single cell adhesion on biomaterials – PicoBond
The project aims at developing the picosecond ultrasonic technique (PU) as a non-contact and non-invasive mean to perform quantitative non-invasive imaging of single cell adhesion on a functionalized biomaterial surface. The adhesion of living cells on biocompatible substrates plays a crucial rol
Light management for the next generation of solar cells. – GENESE
This project aims at demonstrating and studying the feasibility of a new generation of high-performance solar collectors coupling nanostructuration of the substrate and a photon conversion layer to optimize absorption of the solar spectrum. To maximize the quantum efficiency of these sensors, the de
Cleaning, doping and etching of CVD graphene by innovative plasma-based technologies assisted by surface and electrical characterizations – CleanGRAPH
The scientific and technological interest in Graphene has recently exploded due to its unique properties, promising many exciting applications in optics, mechanics and electronics. However many challenges remain before graphene can be integrated into sophisticated devices. The electronic states of g
Ultrafast high-BRightness Infrared laser sources at 2 µm – UBRIS2
UBRIS2 aims at developing innovative ways towards the realization of high-power ultrafast laser systems at the exotic wavelength of 2 µm. The project gathers researchers and engineers from XLIM, CORIA, IRCICA and LPN with proven expertise in design and fabrication of rare-earth-doped and dispersion-
Hydrogen plasma in INteraction with Diamond : EXTReme Ion Production and Low Erosion Desired – H INDEX TRIPLED
The present project is put into the context of the international projects ITER and DEMO aiming at managing nuclear fusion to produce energy. In tokamaks (nuclear fusion reactors), a hot plasma composed of deuterium and tritium nuclei is magnetically confined to achieve fusion. The heating of the pl
TRANSition to turbulence in shear FLOWs : theory, simulation and experiments – TRANSFLOW
Transition to turbulence is one of the most important unsolved problem in fluid dynamics and possibly in all of classical physics. Wall-bounded shear flows -- plane Couette flow, counter-rotating Taylor-Couette flow, pipe flow, and plane Poiseuille flow -- undergo transition, despite the fact that
Synthesis and characterization of MAX phases single crystals – MAXICRYST
Mn+1AXn phase is the generic formula for a family of layered ternary carbides and nitrides where M is an early transition element, A is an element of group III-A or IV-A and X is either C or N. The structure of these phases consists in layers of A element between Mn+1Xn layers. Mn+1AXn phases combin
Drying of complex fluids in dip-coating-like experiments – EVAPEC
The main objective is to get an in-depth knowledge and understanding of the dominant phenomena which control the final morphology of the deposit, focusing on geometries with a moving contact line or a meniscus, as illustrated in Figure 1. Indeed such geometries are currently used in many industrial
Lagrangian transport in inhomogeneous flow – LTIF
Most environnemental or industrial flows display some confinement (related to the presence of walls or the ground) that induce some inhomogeneity of the flow. The goal of this project is to setup tracking techniques in model confined flows (such as the turbulent channel flow between to parallel wall
Advanced Methods for Optical characterization of COmplex Particle Systems (AMO-COPS) – AMO-COPS
The project deals with optical properties of droplets and particles of “complex” shapes, and whose sizes are beyond a few visible light wavelengths. In this domain, rigorous theories and existing numerical methods cannot be applied to accurately describe light scattering phenomena. We propose a new
Real-gas Effects on Fluid Injection: a Numerical and Experimental study. – REFINE
Mixing is one of the most important phenomena in combustion devices because it determines combustion efficiency and stability along with heat transfer characteristics. In addition, most of the current understanding of turbulence and mixing is the result of atmospheric-pressure studies providing nume
Mechanics of Tissues: multi-scale structural approach of Ehlers-Danlos Syndrome – METIS
The METIS project is dedicated to the study of the biomechanics of connective tissues. Soft connective tissues such as skin, tendon or cornea are made of more than 90% of extracellular matrix proteins, fibrillar collagens being by far the predominant component. These structural proteins show a rema
Design of metamaterials for the absorption of audible sound – Metaudible
Audible sound reduction and control is a major issue, particularly in the low frequency range. Noise pollution, inherent to human activities, has strong repercussion on health through annoyance, premature fatigue and sleep disturbance. The European Environment Agency underlines that more than 30% of
MULTIPhysics and multiScale assessment of bone quality – MULTIPS
The global aim of the project is to assess the relationships between human cortical bone effective mechanical properties, i.e., measured at the millimetric scale of ultrasound wavelength used to probe bone in vivo, and bone quality determinants measured at the micro- and nanometer length scales. Inv
Numerical and Experimental Two-phase Flame – NEXTFLAME
One of the key issues in the present state of the art of CFD for combustion chambers in industrial applications is the predictable character of the simulations involving the injection of liquid fuel as a polydisperse spray. Whereas the case of purely gaseous combustion has received a rather complete
Investigation of a new kind of air atmospheric discharges under extreme and transient electric fields. – EXFIDIS
The EXFIDIS project has for ambition to investigate a physics still not described this day, that of non equilibrium electrical discharges created by extremely transient and intense fields in standard conditions of pressure and temperature. For that purpose, research groups of LAPLACE ( Toulouse), LP