Modern materials

Question 1

Graphene definition and uses

Answer 1

single layer of carbon atoms, bound in hexagonal lattice, thinnest material, very strong, light, conductive - heat/electricity. uses - sports equipment, colling technology, batteries, solar, aerospace

Question 2

Titanium definition and uses

Answer 2

high strength, resists corrosion, doesn’t reacts with human tissue. uses - missiles, aircraft. artificial joints

Question 3

Metal foam definition and uses

Answer 3

structures from metal containing gas filled pores, good stiffness to weight ratio, strong, resist deformation, heat resistance. uses - weight saving and impact absorbing structures in vehicles

Question 4

Liquid crystal display definition and uses

Answer 4

matrix of pixels that display an image on a screen, a backlight provides light to the individual pixels. uses - TVs

Question 5

Coated metals definition and uses

Answer 5

protect metals - durable, reduce wear and tear, if left unprotected ferrous metals will rust and corrode. uses - galvanised steel, plastic coatings, painting

Question 6

Nanomaterials definition and uses

Answer 6

materials made at a very small scale, this can add properties to materials such as lightness, tensile and strength. uses - electronics, medicine = properties such as resist bacteria and repel dirt