633-0802/01 – Forming Theory (TTVM)
| Gurantor department | Department of Materials Forming | Credits | 6 |
| Subject guarantor | prof. Ing. Jiří Kliber, CSc. | Subject version guarantor | prof. Ing. Jiří Kliber, CSc. |
| Study level | undergraduate or graduate | Requirement | Choice-compulsory |
| Year | 1 | Semester | winter |
| | Study language | Czech |
| Year of introduction | 2004/2005 | Year of cancellation | 2020/2021 |
| Intended for the faculties | FMT | Intended for study types | Follow-up Master |
Subject aims expressed by acquired skills and competences
define primary objective areas of forming theory.
clarify stress, deformation, and strain rate meaning,
evaluate knowledge problems tensor,
look into descriptions stress strain curve,
define primary objective areas theory shankingdefined,
draw up meaning theoretic conditions of forming
Teaching methods
Lectures
Seminars
Individual consultations
Tutorials
Summary
Stress conditions. Stress and strain. Laws of plastic deformation. Dislocations
and diffusion mechanisms. Stress and strain determination. Limit states of
elasticity and plasticity. Hypothesis of plastic deformation. Principles of
strain hardening and restoration, deformation resistance. Limit diagrams.
Applications of theory principles on general technology processes - rolling,
forging, drawing, stamping and shaping.
Compulsory literature:
Recommended literature:
Way of continuous check of knowledge in the course of semester
Exercising and inside of his frame hand over programmes and tests.
E-learning
no
Other requirements
Processing engaged subject and introduction lesson to students
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
1. Theoretical principles of plastic deformation. The external and internal forces.
2. The stress at the graphics planes. Oktaedric plane and the stress in the oktaedric plane.
3. The principal of the normal stress. Tangential stress. Stress in universal plane.
4. Stress ellipsoid. The main tangential stress.
5. Mohr circle. Invariance state of stress and mathematical expression of the three invariants.
6. Graphic determination of tangential stress. Tensor expression of strain.
7. Schemes of the main stresses. Deviation chart of stress and invariance of deviation.
8. The intensity of the stress. Graphical solution of the intensity of the stress of the various methods.
9. Indicator of the State of stress. States of confinement (linear, area, 3D).
10. The beginning of plastic deformation in the uniaxial of the force action.
11. Hypothesis of plastic deformation.
12. Differential equation of equilibrium in the rectangular coordinates. Solution of differential task in cylindrical and spherical coordinates.
13. The deformation of the head of the body. The strain rate. Tensor expression of deformation, strain rate, schemes of deformation.
14. Relations between the stress and strain. The elastic strain. Flexible-plastic deformation. Large plastic deformation.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction
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