327-0501-AAL  Metals I

SemesterAutumn Semester 2017
LecturersR. Spolenak
Periodicityevery semester recurring course
Language of instructionEnglish
CommentEnrolment ONLY for MSc students with a decree declaring this course unit as an additional admission requirement.

Any other students (e.g. incoming exchange students, doctoral students) CANNOT enrol for this course unit.


AbstractRepetition and advancement of dislocation theory. Mechanical properties of metals: hardening mechanisms, high temperature plasticity, alloying effects. Case studies in alloying to illustrate the mechanisms.
ObjectiveRepetition and advancement of dislocation theory. Mechanical properties of metals: hardening mechanisms, high temperature plasticity, alloying effects. Case studies in alloying to illustrate the mechanisms.
ContentDislocation theory:
Properties of dislocations, motion and kinetics of dislocations, dislocation-dislocation and dislocation-boundary interactions, consequences of partial dislocations, sessile dislocations
Hardening theory:
a. solid solution hardening: case studies in copper-nickel and iron-carbon alloys
b. particle hardening: case studies on aluminium-copper alloys
High temperature plasticity:
thermally activated glide
power-law creep
diffusional creep: Coble, Nabarro-Herring
deformation mechanism maps
Case studies in turbine blades
superplastizity
alloying effects
Lecture noteshttps://www.met.mat.ethz.ch/education/lect_scripts
LiteratureGottstein, Physikalische Grundlagen der Materialkunde, Springer Verlag
Haasen, Physikalische Metallkunde, Springer Verlag
Rösler/Harders/Bäker, Mechanisches Verhalten der Werkstoffe, Teubner Verlag
Porter/Easterling, Transformations in Metals and Alloys, Chapman & Hall
Hull/Bacon, Introduction to Dislocations, Butterworth & Heinemann
Courtney, Mechanical Behaviour of Materials, McGraw-Hill