Materials (paper2) Flashcards
Name some properties of ceramics
All giant structures, chemically unreactive and hard
Name 2 types of ceramics
Clay and glass
Name some properties of polymers
Strong, chemically unreactive and poor electrical and thermal conductors
How can polymers be made softer and more flexible
By adding plasticisers to them
What is a composite material
A mixture of two or more materials to make a new one with improved properties
How can the individual materials be separated
With physical separation techniques
What is concrete made up of
Cement, sand, aggregate(gravel) and water
What do sand and aggregate form in the concrete
The reinforcement
What is cement in the concrete
The matrix
What is pycrete made up of
Ice and sawdust
Name some properties of pycrete
Half as strong as concrete and much lighter
What is the reinforcement in fibreglass
Glass
