Concept

Polymer matrix composite

Publications associées (267)

On measuring wettability in infiltration processing

Capillary pressures encountered in composite processing are often evaluated by measuring infiltration rates as a function of applied pressure. Such data are generally interpreted assuming slug-flow. Using the Brooks-Corey correlations we relax this assumpt ...

2007

Architecture and properties of anisotropic polymer composite scaffolds for bone tissue engineering

Dominique Pioletti, Pierre-Etienne Bourban

Bone is a complex porous composite structure with specific characteristics such as viscoelasticity and anisotropy, both in morphology and mechanical properties. Bone defects are regularly filled with artificial tissue grafts, which should ideally have prop ...

2006

High friction from a stiff polymer using microfiber arrays

Bryan Edward Schubert

High dry friction requires intimate contact between two surfaces and is generally obtained using soft materials with an elastic modulus less than 10 MPa. We demonstrate that high-friction properties similar to rubberlike materials can also be obtained usin ...

American Physical Society2006

Luminescent nanocrystal modified photoresin for fabrication of high-aspect ratio three-dimensional microstructures

Jürgen Brugger, Vahid Fakhfouri

The organic polymers incorporating inorganic nanoparticles can result in material possessing with unique size-dependent properties, such as mechanical, optical, electrical, thermal and magnetic, that can be istinctively conveyed into the composite by the s ...

2006

High-aspect ratio three-dimensional photoresin-based microstructures doped with luminescent nanocrystals

Jürgen Brugger, Vahid Fakhfouri

Incorporation of nanoparticles into photostructurable polymer materials enables the engineering of novel, highly integrated micro/nanosystems (MEMS/NEMS) with enhanced intrinsic functional properties. For instance, nanoparticles with (semi)conducting, opti ...

2006

Influence of the mould thermal expansion on composite stress build-up during curing

Véronique Michaud, Sébastien Lavanchy

The influence of the mould material on the build-up of internal stresses during autoclave cure of a unidirectional carbon fibre composite material was investigated using embedded optical fibre Bragg gratings. Four flat moulds (i.e. aluminium, steel, carbon ...

2006

Damage and fracture of particle-reinforced metal matrix composites

Andreas Mortensen, Andreas Rossoll, Aude Hauert

Particle Reinforced Metal Matrix Composites (PRMMCs) are produced by high-pressure infiltration of ceramic particle beds. Matrix materials are either pure Al or Al-4,5%Cu, and the reinforcement is made either of angular or of polygonal alumina particles. T ...

2006

Interlaminar fracture toughness improvement in composites with hyperbranched polymer modified resin

Véronique Michaud

The present work aims to enhance the interlaminar toughness of carbon/epoxy composites produced by RTM by modifying the resin with hyperbranched polymers (HBPs). A HBP content of 7.5% in the resin was selected as the best compromise between a slight loss i ...

2005

Deconsolidation in glass mat thermoplastic composites : Analysis of the mechanisms

Véronique Michaud

During reheating and post-processing of thermoplastic-based composites, deconsolidation is often observed: the volume fraction fibre decreases and the void content increases. In this article, the phenomena leading to deconsolidation are investigated, with ...

2005

Nanocomposites based on luminescent colloidal nanocrystals in polymers: new opportunities for micro and nano fabrication

Jürgen Brugger, Vahid Fakhfouri

In recent years a wide range of materials including metals, semiconductors and metal oxides have been synthesized with nanometer dimensions. In particular II–VI semiconductor nanocrystals (NCs) are receiving considerable attention for fundamental studies a ...

2005

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