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  • intimesofacceleratedtechnicalchange

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    Drivers of International Collaboration in Research
    Brussels, October 13-14, 2008
    International cooperation in S&T intimesofacceleratedtechnicalchange Asystemapproachtowardsknowledge networksandenhancedsocietaltrust
    ManuelHeitor
    Secretaryof State forScience,Technology and Higher Education Portugal
    TechnicalChange:materials
    Source:MichaelAshby (1998);seealso,IPTS(1999)
    10 000 BC 5000 BC
    GOLD COOPER
    0
    1000 1500 1800
    1900
    1940
    1960
    1980
    1990
    2000
    2010
    2020
    BRONZE IRON
    METALS
    CAST IRON STEELS
    GLASSY METALS AL-LITHIUM ALLOYS DUAL PHASE STEELS ALLOY STEELS MICROALLOYED STEELS
    METALS
    NEW SUPER ALLOYS DEVELOPMENT SLOW MOSTLY QUALITY CONTROL AND PROCESSING
    RELATIVE IMPORTANCE
    POLYMERS
    SKIN FIBRE GUMS IVORY
    COMPOSITES
    BRICKS (with STRAW) WOOD PAPER STONE FLINT POTTERT GLASS CEMENT RUBBER
    LIGHT ALLOYS SUPER ALLOYS
    SURFACE ENGINEERING
    POLYMERS
    CONDUCTING POLYMERS HIGH TEMPERATURE POLYMERS ALLOYS HIGH MODULUS POLYMERS
    BAKELITE NYLON REFRACTORIES PORTLAND CEMENT FUSED SILICA
    TITANIUM ZINCONIUM ETC
    COMPOSITES CERAMICS
    EPOXIES POLYESTERS
    CERAMICS
    CERAMIC COMPOSITES METAL-MATRIX COMPOSITES KEVLAR
    CERMETS

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