materials

materials

1. Metals

   • issues
     • lots of energy is used in refining metals and shipping them out
     • lots of energy is used in mining the metal ores
     • expensive
     • hard to work with
     • heavy
   • uses
     • brushed metal
       • steel
       • aluminium
     • polished metal
       • annodised steel
       • brass
       • aluminium
     • aluminium sheets
     • could be used for handles and feet etc

2. Wood

   • issues
     • cut down trees
       • energy used
       • deforestation
     • expensive
     • only one chance to get it right
   • uses
     • look good
     • strong
     • quite easy to work with
     • durable
   • manufactured boards
     • different sizes and thicknesses
     • different veneers and finishes
     • don't warp or change shape
     • strong and dense

3. Plastics

   • thermosetting
     • uses
       • hard
       • doesn't weather quickly
       • waterproof
       • range of colour's and finishes
       • easy to work with
     • issues
       • lots of energy used up and pollution produced by producing plastics
       • cannot be reused
       • sets when cooled and doesn't re-melt
       • brittle
   • thermoplastics
     • issues
       • lots of energy used up and pollution produced by producing plastics
       • cannot with stand high heats
       • brittle
     • uses
       • range of colour's and finishes
       • easy to work with