Materials

Materials

1. Metal

   • Ferrous
     • Steel
       • Cast iron
         • Tough
         • High tensile strength
       • high tensile strength
       • Ductile
   • Non-ferrous
     • Aluminium
       • Copper
         • non-magnetic
         • high ductility
       • Low density
       • Maleable

2. Polymers

   • Thermosetting
     • Melamine formaldehyde
       • Sound insulator
       • High heat resistance
   • Thermoplastics
     • Polypropylene
       • High tensile strength
       • Impact tolerance
   • Elastomers
     • Silicone rubber
       • Electrical insulator
       • Fire retardance

3. Ceramics

   • Engineering ceramics
     • Barium titanate
       • Ferroelectric
       • Piezoelectric
   • Traditional Ceramics
     • Porcelaine
       • High heat tolerance
       • Brittle

4. Composites

   • Metal matrix composites
     • Tungsten-carbide cobalt
       • high electrical conductivity
       • high ductility
   • Polymer matrix composites
     • Carbon fibre
       • high tensile strength
       • low thermal expansion
   • Ceramic matrix composites
     • spodumene
       • crystalization catalyst
       • Stores energy easily