C15

Question 1

Alloy

Answer 1

Any mixture of two or more metals, or a metal and another substance. They are made to combine properties like lightness and stregnth.

Question 2

Brass

Answer 2

-Copper+zinc
-used for taps
-hard and water resistant

Question 3

Bronze

Answer 3

-Copper+tin
-casting statues
-shrinks when cooling

Question 4

Low carbon and high carbon steel

Answer 4

-Iron+carbon
-cutlery
-shiny and decorative doesnt rust

Question 5

How does copper and tin mix

Answer 5

Tin atoms replace the smaller copper atoms this makes it harder for the atoms to slide across.

Question 6

Superalloy

Answer 6

-designed to work under extream conditions e.g. temp/pressure
-Contains cubes of material called “gamma prime crystals” sits within effecting the ability to change shape.

Question 7

(Geralimum) duralumin

Answer 7

Contained alluminium, copper, manganese and magnesium.
-time dependent growth of crystals made it harden

Question 8

High and low carbon steel

Answer 8

Low carbon made from-0.02% high carbon around 1.7% of mass