1.How much do you know about the important phases such as austenite, ferrite, cementite?
2.How much do you about pearlite, bainite, and martensite? How are they made?
3.Do you know how to read T-T-T diagrams (also known as isothermal transformation diagrams)?
4.What is marquenching process? Austempering process?
5.What is a tempered martensite? 6.What are the major types of cast irons? What makes them different?
7.What are the differences in composition and microstructure between the steels and cast irons?
8.What is the hardenability of steel?
9.How much do you know about Jominy end-quench test? What is the purpose of this test?
10.What is Dqe? What does it represent?1
1.Do you know how to use hardenability curves to determine hardness of steel?
12.Why is water more effective than oil in quench-hardening of steel?
13.What is the precipitation hardening of alloys? How is it done?
14.What is natural aging process as oppose to artificial aging? What is overaging?
