Materials

Materials

1. Metals

   • Ferrous
     • IRON
       • Strong but brittle
         • used for man hole covers
     • STEEL
       • Stainless steel
         • Used for cutlery as no corrosion
       • Mild
       • Carbon
         • Used for tools
   • NON- Ferrous
     • Aluminium
       • Light/alloy
     • Copper
       • conducts electricity well/ ductile
     • Lead
       • Heavy, soft,batteries, roofing, poisonous

2. Plastics

   • Thermoset
     • Epoxy Resin
     • Set to shape once
   • Thermoplastics
     • Acrylic
     • HIPS
     • Nylon
     • can shape again and again

3. Woods

   • Man Made
     • Birch face ply
       • Bendable, looks good
     • MDF
       • Cheap/strong
     • Lazer Ply
       • easy to use on laser cutter
     • chip board
       • Cheap/ wood that is not seen no finish
   • Natural
     • Pine
       • weak with grain