Physical Metallurgy 2

Course guarantor:

Petr Haušild

Lecturer:

Petr Haušild

Tutor:

Petr Haušild

Supervisor:

Department of Materials

Synopsis:

The course is based on previously acquired general physical and physical metallurgical knowledge and applies this knowledge to real systems such as Fe-C and Fe-X-C, multicomponent Fe and Ni -based alloys, etc., which are the basis of steels and special structural materials. Since the Physical Metallurgy 2 builds on the previous, more theoretically oriented courses of Metal Physics and Physical Metallurgy 1, added emphasis is placed on applications of real systems in engineering.

Requirements:

Physics of Metals (crystal structure, lattice defects, phase equilibrium, diffusion in metals and alloys, theory of dislocations)

Physical Metallurgy 1 (phase diagrams, diagram Fe-C, phase transformations in solid state, solid solution hardening, precipitation)

Syllabus of lectures:

Outline:

1. Recapitulation of basic principles. Overview of experimental methods.

2. Kinetics of phase transformation.

3. Equilibrium diagram Fe-C - metastable and stable systems, phase transformation in steels.

4. Austenite decomposition - TTT diagrams.

5. Diffusional transformation (nucleation and growth), pearlite and bainite transformations.

6. Diffusionless transformation (shear, twinning). Martensitic transformation

7. Formation of carbides: epsilon-carbide, cementite, complex metastable and stable carbides.

8. Recovery and recrystallization.

9. Physical principles of the heat treatment. Quenching, hardening, annealing, tempering.

10. Special corrosion-, creep- and heat-resistant steels.

11. Special Ni and Ti based alloys.

12. Notes to present research trends.

Syllabus of tutorials:

Laboratory excercises: Activation volume and instrumented Charpy impact test. Written record from laboratory excercises is required.

Study Objective:

Knowledge:

To see in full the complexity of exploitation of steels and special alloys in varying environment and under different loading.

Skills:

To acquire base for tailored materials approach.

Study materials:

Key references:

[1] Ashby M.F., Jones D.R.H.: Engineering Materials 2, Pergamon Press 1988.

[2] Leslie W.C: Physical Metallurgy of Steels, originally Hemisphere/McGraw-Hill

Recommended references:

Various web sites, such as: http://www.asminternational.org; http://www.msm.cam.ac.uk/phase-trans/newbainite.html.

Note:

Further information:

No time-table has been prepared for this course

The course is a part of the following study plans: