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Véronique Michaud

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Publications associées (244)

Embedded Shape-Memory Alloy Wires for Improved Performance of Self-Healing Polymers

Véronique Michaud, Eva Kirkby

We report the first measurements of self-healing polymers with embedded shape memory alloy (SMA) wires. The addition of SMA wires shows improvements of healed peak fracture loads by up to a factor of 1.6, approaching the performance of the virgin material. ...

2008

Film stacking impregnation model for a novel net-shape thermoplastic composite preforming process

Véronique Michaud, Martyn Douglas Wakeman, Simon Jespersen

An impregnation model has been developed to evaluate the infiltration phenomena that occur during a novel near net shape preforming method. This process comprises automated deposition of thermoplastic resin and unidirectional (UD) carbon fibres to a pre-pr ...

2008

On measuring wettability in infiltration processing

Andreas Mortensen, Véronique Michaud

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

Transverse permeability of chopped fibre bundles with an elliptical cross-section

Véronique Michaud, Pascal Vuilliomenet

The out-of-plane permeability of 25 mm-long chopped glass fibre bundle beds was measured. These bundles, used in sheet moulding compound (SMC) composites, have an elliptical cross-section with the major axis perpendicular to the flow direction. An adapted ...

2007

Glass Fiber Reinforced Polypropylene Nanocomposites

John Christopher Plummer, Véronique Michaud, Chrystèle Houphouet-Boigny Favre, Martyn Douglas Wakeman

2007

Non-autoclave processing of sandwich structures: influence of through thickness air permeability on skin-core adhesion

Véronique Michaud

2007

Potentiality of optical fibre bragg grating sensors for resin transfer moulding process monitoring

Véronique Michaud, Eva Kirkby, Julie O'Keane

2007

Capillary phenomena in liquid composite moulding

Véronique Michaud

In liquid composite moulding, capillary phenomena take place as the fibre/air interface is progressively replaced by the fibre/resin interface. These effects are often neglected when computing the flow front progression into the fibre preform, because the ...

2007

Processing, characterisation and rheology of transparent concentrated fibre bundle suspensions

Véronique Michaud

Highly concentrated planar fibre-bundle suspensions with a transparent PMMA matrix were processed with various initial bundle contents and orientations. They were submitted to simple compression and plane strain compression deformation modes. First rheolog ...

2007

Pre- and Post-Transition Behavior of Shear Thickening Fluids in oscillating Shear

Pierre-Etienne Bourban, John Christopher Plummer, Véronique Michaud, Christian Fischer

The dynamic shear-thickening behavior of concentrated colloidal suspensions of fumed silica in polypropylene glycol has been investigated. Dynamic frequency sweeps showed that, for any given solids concentration, the complex viscosity at different imposed ...

Springer-Verlag2007

Effect of HBP modified γ-APS on the coating toughness and practical adhesion between galvanised steel and polyethylene

Xavier Bulliard, Gabrielle Pax, Véronique Michaud

Epoxy-functionalised hyperbranched polymers (HBP) were combined with aminosilanes to form coatings and their effect on the practical adhesion between galvanised steel and polyethylene was investigated. It was shown that HBPs were initially soluble in silan ...

2007

Active repair of self-healing polymers with shape memory alloy wires

Véronique Michaud, Eva Kirkby

We report the first measurements of self-healing polymers with embedded shape memory alloy (SMA) wires. Improvements of healed peak loads by up to a factor of two are observed, approaching the performance of the virgin material. Moreover, the repairs can b ...

2007

Shear thickening fluids as a tunable damping element: experimental results and modelling

Pierre-Etienne Bourban, John Christopher Plummer, Véronique Michaud, Christian Fischer

2007

Non-autoclave processing of sandwich structures: the role of prepreg through thickness air permeability

Véronique Michaud

Non-autoclave processing of honeycomb sandwich structures generally leads to poor compaction and high porosity of the skins along with a decreased skin-core adhesion. Air permeability of the skins, a critical parameter of low pressure processing, is often ...

2007

Tailoring of the practical adhesion between polyethylene and galvanised steel

Gabrielle Pax, Véronique Michaud

The practical adhesion of maleic anhydride grafted polyethylene (MAH-PE) to galvanised steel was studied using 3-point flexure tests, before and after hydrothermal ageing. Before bonding, the electro-galvanised steel was treated with γ -aminopropyltriethox ...

2006

Pre- and Post-Transition Behavior of Shear Thickening Fluids and their Integration into Sandwich Structures

Pierre-Etienne Bourban, John Christopher Plummer, Véronique Michaud, Christian Fischer

2006

Predicting sizing dependent bending rigidity of glass fibre bundles in sheet moulding compounds

Véronique Michaud, Emmanuelle Comte

The effect of sizing on bending rigidity in fibre bundles was investigated. Particular attention was paid to the effect of film formers and anti-static agents on the behaviour of glass fibre bundles under forced packing conditions. The bending rigidity of ...

2006

Rheology of a thin transparent and concentrated suspension of fiber bundles

Véronique Michaud

2006

Formation of aminosilane-oxide interphases

Yves Leterrier, Gabrielle Pax, Véronique Michaud

The aim of this work is to understand the interactions and interphase formation mechanisms between a liquid aminosilane oligomer (γ -APS) and glass, steel or gold surfaces as a function of the pH of the liquid aminosilane. When basic liquid γ -APS (pH 11.4 ...

2006

Unsaturated flow in compressible fibre preforms

Véronique Michaud

2006

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