Course detail

Micromechanics of Deformation and Fracture of Advanced Materials

CEITEC VUT-DS207AAcad. year: 2021/2022

Not applicable.

Language of instruction

English

Learning outcomes of the course unit

Not applicable.

Prerequisites

Knowledge of mathematics, physics, mechanics and materials science on the bachalor level is expected.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Not applicable.

Assesment methods and criteria linked to learning outcomes

Examination based on the written test of about 40 questions.

Course curriculum

1. Elements of crystallography, interatomic bonds in solids.
2. Theoretical strength of solids under uniaxial and multiaxial loading. Comparison with experimental data and significance for crack initiation.
3. Crystal defects and their role in deformation and fracture processes.
4. Physical principles of fracture in metallic materials: plastic deformation, brittle, ductile, fatigue and creep fracture. Initiation and propagation of fatigue cracks.
5. Quantitative fractography. 3D topography, macro- and micromorphology of fracture surfaces. Reconstruction of fracture process from the fracture morphology.
6. Ceramic materials: nucleation of microcracks and fracture toughness, methods of toughness improvement.
7. Polymer materials: microstructure, viscoelasticity, fracture.
8. Composites: basic types, mechanical properties, crack propagation.
9. Nanomaterials: bulk nanostructure, deformational micromechanisms, mechanical properties.
10. Shape-memory alloys: shape-memory effect, thermomechanical and fatigue characteristics.
11. Materials with surface layers: micromechanisms of fracture a degradation of coatings, fatigue fracture.

Work placements

Not applicable.

Aims

Not applicable.

Specification of controlled education, way of implementation and compensation for absences

Not applicable.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

Pokluda J., Kroupa F., Obdržálek L.: Mechanické vlastnosti a struktura pevných látek (kovy, keramika, plasty), PC-DIR Brno 1994, 385 s, ISBN: 80-214-0575-9.
Pokluda J., Šandera P.: Micromechanisms of Fracture and Fatigue: In a Multiscale Context, Springer London 2010, 295 s, ISBN: 978-1-84996-265-0.
Suresh S.: Fatigue of materials, 2nd Edition, Cambridge University Press, Cambridge, 1998, ISBN: 978-0-52157-847-9

Recommended reading

Not applicable.