13 projets européens trouvés
Recherche sur 125080 projets européens
TERMINÉ
SELF-HEALING POLYMERS FOR CONCEPTS ON SELF-REPAIRED AERONAUTICAL COMPOSITES (HIPOCRATES)
Date du début: 1 nov. 2013, Date de fin: 31 oct. 2016,
A composite aero-structure with self-repair capabilities will offer durability, extend its service life and prolong maintenance protocols leading to lower aircraft operational costs. Despite the extensive research activities in the area of self-healing resins applied to composite materials, the research for aeronautical applications is currently very limited. To this end, the main objective of HIP ...
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11
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TERMINÉ
"Non-Destructive EValuation, Inspection and Testing of Primary Aeronautical Composite Structures Using Phase Contrast X-Ray Imaging" (EVITA)
Date du début: 1 sept. 2012, Date de fin: 30 nov. 2015,
"The objective of this proposal is to further focus on the application and appropriate adaptation of Phase Contrast X-ray imaging technology for the Non-Destructive Evaluation and Inspection of primary aeronautical composite structures, both during the manufacturing process and during the repair and re-use of key components. The introduction of this new methodology is expected to provide the aeron ...
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5
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TERMINÉ
Flexible Conductive Composite Repair Heaters (CONDUCTOR)
Date du début: 1 déc. 2011, Date de fin: 31 août 2014,
"Appropriate curing of the patch resin and the adhesive layer is an essential step to secure the integrity and the sound mechanical performance of a bonded composite repair. Today, the required elevation of temperature is usually achieved by means of resistance heating blankets, which conduct heat to the repair area, regulated through closed loop temperature control, using one or two spot temperat ...
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2
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TERMINÉ
Adapted Composite Repair Tooling for in-situ wind turbine blades structural rehabilitation (CORETO)
Date du début: 1 avr. 2012, Date de fin: 31 mars 2014,
"The wind turbine industry is the fastest growing market area for the use of composite materials. Current state-of-the-art turbines are increasing in size, providing multi-megawatt power output. To generate such power turbine rotorblade diameters exceeding 100m along with nacelle heights of 120m are becoming standard. As turbines grow and their deployment becomes more widespread and remote, it is ...
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9
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TERMINÉ
Composites repairs and monitoring and validation - Dissemination of innovations and latest achievements to key players of the aeronautical industry (AeroPlan)
Date du début: 1 sept. 2011, Date de fin: 28 févr. 2014,
During the last ten years, the EU has funded an important number of research projects aiming at satisfying the need for innovative repair solutions for aircraft airframes, through the development of innovative elements that could assist in performing safer and more efficient repairs, in a faster and more economical way. However, as these innovations have been developed as the main or the secondary ...
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8
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TERMINÉ
Magnetostrictive sensor applications for self-sensing of composite structures (MAGNASENSE)
Date du début: 1 avr. 2012, Date de fin: 31 juil. 2013,
"The aim of MAGNASENSE is to develop the appropriate smart maintenance technologies, using magnetostrictive sensors, in order to enable self-sensing of the strain field developed in components manufactured by CFRP. For this reason, all the hardware (embedded sensors – sensing elements etc.) and software (transformation of measurements to strain readings, ispection supporting fotware, initial corre ...
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3
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TERMINÉ
Examination of Practical Aspects of Innovative Bonded Composite Repair Techniques (EXPECT)
Date du début: 1 janv. 2011, Date de fin: 31 déc. 2012,
"Even though adhesively bonded composite repairs exhibit significant advantages in terms of mechanical efficiency compared to mechanically fastened ones, they are at the same time extremely sensitive to process parameters variations. Small deviations against the repair specifications (e.g. surface preparation) may lead to disproportionally larger consequences to the final mechanical performance of ...
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2
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TERMINÉ
INNOVATIVE REPAIR OF AEROSPACE STRUCTURES WITH CURING OPTIMIZATION AND LIFE CYCLE MONITORING ABILITIES (IAPETUS)
Date du début: 1 juin 2009, Date de fin: 31 déc. 2012,
"Bonded composite patches are ideal for aircraft structural repair as they offer enhanced specific properties, case-tailored performance and excellent corrosion resistance. Bonding further eliminates stress concentrations induced from mechanical fastening of metal sheets, seals the interface, and reduces the risk of fretting fatigue between the patch and the component. IAPETUS focuses on the use o ...
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10
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TERMINÉ
Development of energy efficient / lightweight composite parts and tooling based on Tailored Fibre Placement technology / self heating technology (EMBROIDERY)
Date du début: 1 janv. 2011, Date de fin: 31 déc. 2012,
"Composite materials are being used extensively in many industrial applications with higher production needs than the yielded by current technologies. New developments such as textile preforming combined with liquid moulding technologies will support this tendency. Nevertheless, there are still some drawbacks. More repeatable and automated processes are required and tools must be developed to assi ...
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9
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TERMINÉ
COMPArative evaluation of NDT techniques for high-quality bonded composite REpairs (COMPARE)
Date du début: 1 nov. 2010, Date de fin: 31 oct. 2012,
"Adhesively bonded composite repairs exhibit significant advantages in terms of mechanical efficiency compared to those effected using mechanical fasteners. However they are at the same time extremely sensitive to process parameter variations. Small deviations against the repair specifications and subsequent flaws, could lead to disproportionally larger consequences to the final mechanical perform ...
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3
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TERMINÉ
Advanced heating system and control mode for homogeneous high temperature curing of large composite repairs (ADVANCED)
Date du début: 1 janv. 2011, Date de fin: 30 juin 2012,
"The required elevation of temperature for curing of composite repairs is usually achieved by resistance heating blankets, controlled through spot temperature measurements. Although this method is simple and works adequately for small repairs, when larger areas are heated, cold or hot spots frequently occur, due to variable heat losses, caused by geometrical asymmetry etc. For this reason, autocla ...
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2
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TERMINÉ
Induction based Curing Tool for Optimized heating of composite Repairs (INDUCTOR)
Date du début: 1 nov. 2010, Date de fin: 30 avr. 2012,
"Appropriate curing of the patch resin and the adhesive layer is an essential step to secure the integrity and the sound mechanical performance of bonded composite repairs. Today, the required temperature elevation is achieved by means of resistance heating blankets, conducting heat to the repair area. This method is simple and works adequately for small repairs, but when larger areas need to be h ...
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2
Participants partenaires
TERMINÉ
Optimization of Sensor Placement Methodology for Structural Health Monitoring (OPTIMUMS)
Date du début: 1 janv. 2010, Date de fin: 31 juil. 2010,
"The basic problem of damage detection is to deduce the existence of a defect in a structure from measurements taken at sensors distributed on the structure. Especially in aeronautical structures, cracks, delaminations and debondings are typical types of damages often encountered. The problem is essentially one of pattern recognition. Artificial neural networks show considerable promise for damage ...
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