Lecture 29 and 30 related to finite element nalysis.pdf

msm

1. Materials Science and metallurgy
Lecture slides 29 and 30

3. Phase Transformation

4. Nucleation

5. Gibb’s Free Energy

6. The critical radius

8. Growth

9. Rate of phase transformations

10. Transformations and undercooling

11. Eutectoid transformation

12. Generation of isothermal transformation diagram

13. Austenite –pearlite isothermal transformation

14. Bainite: Another Fe-Fe
3C Transformation Product

16. Spheroidite: Another microstructure for the Fe-Fe3C system

18. Martensite: A nonequilibrium transformation product

20. Tempered martensite

21. Steel to coarse pearlite

22. Steel to Bainite to Spherodite

23. Steel to Tempered Martensite

24. Steel to 50% Fine Pearlite, 25% Bainite, 25% Martensite?

25. Summary of possible transformations