Composites Processing.pdf

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1、CompositesProcessingver.1ME4210:ManufacturingProcessesand1EngineeringProf.J.S.Colton©GIT2011Definition•Amicroscopicmixtureoftwoormoredifferentmaterials.Onetypicallybeingthecontinuousphase(matrix),andtheotherbeingthediscontinuousphase(reinforcement).•Itspropertiesarestronglydependentonthecompo

2、sitestructure.•Ductilityofmatrixcombinedwithstiffnessofreinforcement.ME4210:ManufacturingProcessesand2EngineeringProf.J.S.Colton©GIT2011CeramicfibercompositePolymermatrixcompositeME4210:ManufacturingProcessesand3EngineeringProf.J.S.Colton©GIT2011Types/Examples•People•Trees•Fiberreinforcedmatr

3、ices–fiberglass-epoxy•Particulatereinforcedmatrices–tires(carbonblackinrubber,butitalsohascontinuousfibers(steelorpolymerbelts))ME4210:ManufacturingProcessesand4EngineeringProf.J.S.Colton©GIT2011Fibers/ParticlesReinforcement•Glass•Kevlar•Silica•Carbon•Glassbeads•Thermoplastics•Talc•Alumina•Ro

4、cks•Boron•Carbonblack•SiC•Calciumcarbonate•Steel•Si3N4ME4210:ManufacturingProcessesand5EngineeringProf.J.S.Colton©GIT2011Reinforcements•Rovings–continuous–bulk•Continuousstrandmat•Choppedstrandmat•SurfaceveilsME4210:ManufacturingProcessesand6EngineeringProf.J.S.Colton©GIT2011Matrices•Protects

5、&separatesreinforcement,transmitsforces•Polymer–PEEK,epoxy,polyester,polyurethane,rubber•Metal–Al,Cu,Ni,Ti•Ceramic–glass,cementME4210:ManufacturingProcessesand7EngineeringProf.J.S.Colton©GIT2011HoneycombcompositesME4210:ManufacturingProcessesand8EngineeringProf.J.S.Colton©GIT2011C-17AircraftM

6、E4210:ManufacturingProcessesand9EngineeringProf.J.S.Colton©GIT2011VisbyCorvetteME4210:ManufacturingProcessesand10EngineeringProf.J.S.Colton©GIT2011RazzleDazzleCamouflageME4210:ManufacturingProcessesand11EngineeringProf.J.S.Colton©GIT2011StealthShipsME4210:ManufacturingProcessesand12Engineerin

7、gProf.J.S.Colton©GIT2011IsoTrussBikeME4210:ManufacturingProcessesand13EngineeringProf.J.S.Colton©GIT2011Processes•Handlay-up•Vacuumbagging/autoclave•Compressionmolding–SMC/BMC•Liquidresinmolding•ResintransfermoldingME4210:ManufacturingProcess