Introduction to Materials

Question 1

What is an engineering material?

Answer 1

Any material used to build something

Question 2

What 6 categories can engineering materials be broken down into?

Answer 2

1) Metals
2) Polymers
3) Ceramics
4) Semiconductors
5) Composites
6) Smart

Question 3

What 2 categories can metals be divided into?

Answer 3

1) Ferrous: contain iron as major alloy
2) Non-ferrous: iron not a major alloy

Question 4

What are the 4 properties of metals?

Answer 4

1) Have metallic luster
2) Conduct heat and electricity
3) Malleable, and ductile (can be shaped using heat)
4) Have a crystalline structure

Question 5

What is metallurgy?

Answer 5

Branch of Materials Science that is the study of the study of Metals

Question 6

What 2 main areas is Metallurgy broken into?

Answer 6

1) Process Metallurgy: extraction of materials from ore
2) Physical Metallurgy: science of chemical and physical properties of metals

Question 7

What 3 things affect material property?

Answer 7

1) Composition
2) Internal structure (crystal structure)
3) Service conditions