Presentation 2nd IAG Task1 Codes of practice - ESR Technology

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MATERIALSYSTEMTYPICAL APPLICATIONSTYPES OFDAMAGERESIDUALLOADING MODESPre-preg carbonfibre/epoxy andsandwichstructuresAerospaceAutomotiveBuilding and ConstructionSports equipmentDelaminationFibre breakageMatrix cracking- compression- tension- flexure/shear- fatigueChopped-strandmatglass-fibre/polyesterMarineWater and chemical tanks, process piping,RailConstructionHousingsTransportationFibre breakageLarge matrixcracksFibre pull-out- compression- tension- flexure/shearGlass-fibre/polyesterpultrusionChemical plantAutomotive and rail components. Ladders, cable trays. Switch gearcomponents.Civil Engineering - composite bridgesSmall amount ofdelaminationMatrix cracking- compression- tension- flexure/shearThermoformedglass-fibre mat/polypropyleneAutomotive -shields, under-body structures, trays, dashboardsBeamsMarine hullsFibre pull-outMatrix cracking- tension- flexure/shearPre-pregglass-fibrefabric epoxyElectrical applications, circuit boards.Automotive leaf springsStructural applications – wind turbinesMatrix crackingFibre breakageFibre pull-out- tensionInjection mouldedglass-fibre/polypropyleneAutomotiveConsumerBuilding/hardwareMarineUnderwater systemsFibre pull-outMatrix cracking- tension- compression-flexureMaterial Systems Applications, Main Defect Types and Loading Modes
Assessment and Criticality of Defects & Damage in Materials SystemsDefect TypesInclusionsDebondingDelaminationFibre breakageManufacturing defectsIn-service defectsImproper splicing/ joiningFibre misalignment and wrinklingIncorrect stacking sequencePorosityResin starved areasDamage from tooling removalMachining imperfectionsMatrix CrackingHeat damage© 2003 AEA Technology plc
Page 1 and 2: Assessment and Criticality of Defec
Page 3 and 4: MMS 13 Assessment and Criticality o
Page 7: Assessment and Criticality of Defec
Page 11 and 12: Interlaminar andTransverse cracking
Page 13 and 14: Matrix cracking/delamination after
Page 19 and 20: APPLICATIONS IN INDUSTRY SECTORSPRO
Page 21 and 22: BS 4994: 1987 Table 16 - Permissibl
Page 23 and 24: © 2003 AEA Technology plc
Page 25 and 26: Allowable defects as defined by ASM
Page 37: Assessment and Criticality of Defec

Presentation 2nd IAG Task1 Codes of practice - ESR Technology

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