Module 2- ferrous metasl manufacturing

Question 1

What are the benefits of Hot Working

Answer 1

Good strength, it is quick, good ductility and toughness

Question 2

What is Cold Working?

Answer 2

Cold working is working under the recrystalization and recovery point of the metal.

Question 3

What is hot working

Answer 3

a manufacturing process that takes place above the recrystallization process.

Question 4

Advantages of Cold working

Answer 4

Increased Strength
Increased Hardness
Improved Surface Finish

Question 5

Disadvantages of Cold Working

Answer 5

HIgher Energy required and expensive

Question 6

What is the downside of Hot working

Answer 6

Bad dimensional accuracy

Question 7

What is Forging?

Answer 7

The compression of a metal held at an elevated temperature

Question 8

What are some of the benefits of Permanent Moulding

Answer 8

improved casting tolerance, few defects (compared to sand moulding), high production rate and lower space requirements.

Question 9

What is sand casting?

Question 10

What is die casting

Answer 10

a process that involves the injection of molten metal under pressure into a metal die or mould