Ceramics and Composites

• Soda lime glass uses...

  windows

  bottles
• What is soda lime made from

  sand, sodium carbonate and limestone
• What is a problem with soda lime glass?

  low melting point so limited use
• What is borosilicate glass made from?

  Sand and boron trioxide
• Why use borosilicate glass?

  higher melting point
• Clay ceramics are made from...

  mineral in the ground

  shaped then heated to become hard
• What are composites?

  two materials

  a reinforcement and a matrix
• do composites have similiar properties to orignal forms?

  no
• What is carbon fibre made from?

  Reinforcement- carbon fibres

  Matrix- resin
• Why is carbon fibre good?

  strong and light
• What is concrete a mix of?

  gravel, cement and sand