Materials


?
View mindmap
  • Metals
    • Ferrous metals
      • containing mostly iron and carbon
      • magnetic and will rust
      • examples
        • low carbon steel
          • ductile
          • high tensile strength
          • malleable
          • poor resistance to corrosion
          • high melting point
          • nuts, bolts and screws
          • car bodies
          • washers
        • medium carbon steel
          • hard
          • less ductile than low carbon steel
          • malleable
          • tough
          • springs
          • garden tools
        • cast iron
          • hard outer skin
          • brittle core
          • good under compression
          • disc brakes
          • machine parts
          • engine blocks
          • sheet furniture
    • Non-ferrous metals
      • a metal that does not contain iron
      • not magnetic and do not rust
      • examples
        • aluminium
          • lightweight
          • ductile
          • malleable
          • corrosion resistant
          • electircal/thermal conductor
          • can be welded
          • drink cans
          • aircraft bodies
        • copper
          • ductile
          • malleable
          • tough
          • corrosion resistant
          • electrical and thermal conductor
          • can be soldered and brazed
        • zinc
          • low melting point
          • good corrosion resistance
          • relatively low melting point
        • silver
          • malleable
          • ductile
          • corrosion resistance
          • can be soldered
          • jewellery
          • cutlery
        • gold
          • malleable
          • ductile
          • corrosion resistant
          • can be soldered
          • jewellery
          • electronic components
          • connectors
        • titanium
          • hard
          • lightweght
          • high resistance to corrosion
          • high melting point
          • joint replacements/ tooth implants
          • spectacle frames
          • aircraft & spacecraft
        • tin
          • ductile
          • malleable
          • low melting point
          • corrosion resistant
          • soft solder
          • food can coating
    • Alloy
      • a metal made of two or more metals
      • can be sub-classified as ferrous and non-ferrous alloys
      • Ferrous alloy examples
        • stainless steel
          • tough
          • hard
          • corrosion resistant
          • high melting point
          • 18% chrome, 8% nickel
        • die steel
          • hard
          • tough
          • blanking punches and dies
          • extruder dies
          • fine press tools
      • Non-ferrous alloy examples
        • bronze
          • tough
          • corrosion resistant
          • can be cast
          • 90% copper, 10% tin
        • brass
          • corrosion resistant
          • electrical and thermal conductor
          • low melting point
          • casts well
          • 65% copper, 35% zinc
          • boat fittings
          • door furniture
        • duralium
          • ductile
          • equivalent strength to low carbon steel
          • becomes harder as worked
          • 4% copper, 1% magnesium and manganese
          • lighteight
          • aircraft parts
          • vehicle parts
        • pewter
          • malleable
          • low melting point
          • casts well
          • 85-99% tin- remainder copper and antimony
          • low melting point
          • tankards, flasks and goblets

Comments

No comments have yet been made

Similar Design Technology: Product Design resources:

See all Design Technology: Product Design resources »See all Metals resources »