Iron Carbon Alloy System :   MATERIALS SCIENCE , MECHANICAL ENGINEERING

Iron – Carbon Alloy System :

MATERIALS SCIENCE , MECHANICAL ENGINEERING 

BY: MANANJAY MAHATO

1. Introduction 
2. Allotropic Forms of Pure Iron 
3. Critical Points 
4. Iron – Carbon System 
5. Phase diagram of Iron – Iron Carbon System 
6. Solid Phases in Iron – Iron carbide Phase Diagram 
7. Critical Temperatures 
8. Eutectoid , Hypoeutectoid and Hypereutectoid Steels 
9. Modified Iron Iron Carbide Phase diagram 
10. Primary Solidification 
11. Secondary Solidification 
12. Decomposition of Austenite 
13. Transformation of Steel on Cooling 
14. Transformation of Austenite at Constant Temperature 
15. Isothermal Transformation Diagram 
16. Changes in Steel Structure below Lower Critical Temperature 
17. Times Temperature Transformation Diagram 
18. Salient Points of a Time – Temperature Transformation Diagram 
19. Transformation of Austenite upon Continuous Cooling 
20. Transformation of Austenite to Martensite 
21. Microstructure of Martensite 
22. Retained Austenite