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The development of biodegradable materials for surgical applications is a growing area, especially in the area of fracture repair. A fully biodegradable composite has been developed for the manufacture of surgical implants tailored to the patient's injury. This composite consists of a...
This paper describes a computer based fabric design and manufacturing system for complex reinforcements for composite materials. The system permits the designer to manipulate the warp yarns on screen and to form binders at various points throughout the construction, thus consolidating the...
Prediction of the fibre architecture within reinforcement preforms is required to model subsequent processing and performance characteristics. In recent years, a number of studies has been published in which forming or draping of fabric reinforcements has been examined, and links between draping...
A carbon-fibre/PA-12, hybrid yarn, woven fabric material has been processed into laminates and mechanically tested to evaluate its suitability for high performance applications. The processing technique used was compression moulding. A process parameter investigation was carried out to determine...
The authors discuss the comparison of aramid (Technora by Teijin)/epoxy and glass/epoxy composites for multi-layer PWB (Printed Wiring Boards) in relation to blind via laser drilling. A CO 2 laser with a maximum attainable power of 100 W is used. The spot diameter is 0.3 mm. The layer build up...
A new RTM-type process has been developed to process complex geometry components utilising a thermoplastic matrix. The matrix is an anionically polymerised liquid PA-12 (APLC-12) system which may be injected into a fibre preform, with polymerisation occurring in-situ. The initially low melt...
At the present time, the weight and durability benefits of carbon fibre composites for aircraft structure components cannot be provided without very large manufacturing cost premiums. The new processing techniques of liquid and resin film moulding have to date only been proven to be justifiable...
Shear is the main mode of deformation in the draping of fabrics over complex mould geometries in composites manufacturing. Hence, the measurement and prediction of the in-plane permeability of sheared fabrics is a crucial task for the design of resin transfer moulding and other composites...
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