Composites

sloughran087
Flashcards by sloughran087, updated more than 1 year ago
sloughran087
Created by sloughran087 over 7 years ago
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Technology and Design Flashcards on Composites, created by sloughran087 on 24/04/2013.
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What is Composites -Two or more materials mixed together by some kind of bonding. -The composite has improved mechanical, functional & aesthetically. -Excellent strength-to-weight ratio -Useful for many products
Glass reinforced plastic (GRP) Made from thermosetting plastic resin that has been rein forced using very fine glass
Carbon Fibre The carbon fibres are able to take tensile loads, are set onto a polymer matrix that is able to take big loads. much stronger than GRP.
Medium Density Fibreboard (MDF) Most common and widespread composite material. It is mainly made from waste wood. It can be laminated to improve its strength/aesthetics.
Chipboard Like MDF, waste wood is glues together under heat and pressure leaving a smooth surface. It comes in normal and high density Normal:-most common -fairly soft High:-hard -solid Uses- table tops & internal fire doors
Laminates produced by bonding two or more layers of material. It is a very stable material. They do not warp or misshape and they are easy worked.
Plywood Made from layers of veneers that are bonded together using glue (veneers are thin layers of wood). Plywood is strong as the grain goes different directions.
Blockboard Made up of strips of softwood; they are positioned edge-to-edge. The side of the sheet that is produced is covered with veneer then glued together For table of Composites go to book pages 31-32
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