Engineering Materials 23

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Presentation transcript:

Engineering Materials 23 الجامعة المستنصرية كلية الهندسة – قسم الهندسة الميكانيكية مادة موا هندسية د. ناظم مجبل فالح Engineering Materials 23

Development of Engineering Materials (after Ashby 1992) 10 000 BC 5000 BC 0 1000 1500 1800 1900 1940 1960 1980 1990 2000 2010 2020 Gold Copper Bronze Iron METALS Cast Iron Glassy Metal Al - Lithium Alloys Dual Phase Steels Micro Alloyed Steels New Super Alloys Development Slow Mostly Quality Control and Processing Steels POLYMERS, ELASTOMERS Wood Skin Fibers Alloy Steels Glues Light Alloys COMPOSITES Straw-brick paper Rubber Super Alloys RELATIVE IMPORTANCE High Temperature Polymers Titanic Zirconium Etc Stone Bakelite Alloys High Modulus Polymers Flint Pottery Nylon Polyesters Ceramic- composites Glass Exposies P E MMC Cement PMA PC PS Arcrylics PP Kevlar- FRP CERAMICS Refractories CFRP Portland Cement GFRP Fused Silica Tough Engineering ceramics (Al2O3,Si4,etc) Cerments Pyro- Ceramics 10 000 BC 5000 BC 0 1000 1500 1800 1900 1940 1960 1980 1990 2000 2010 2020 DATE (Year)  The use of other competitive materials in replacement to metals and alloys becomes prominent as technological development requires higher performance of engineering materials