633-3006/01 – Plasticity of materials (PlaMa)

Gurantor departmentDepartment of Materials FormingCredits6
Subject guarantorprof. Ing. Jiří Kliber, CSc.Subject version guarantorprof. Ing. Jiří Kliber, CSc.
Study levelundergraduate or graduateRequirementChoice-compulsory
Year2Semesterwinter
Study languageCzech
Year of introduction2014/2015Year of cancellation
Intended for the facultiesFMTIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
KLI10 prof. Ing. Jiří Kliber, CSc.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 3+2
Combined Credit and Examination 12+4

Subject aims expressed by acquired skills and competences

Student will be able to: expres in numbers deformation single crystal and polycrystal, show plastic deformation maps, identify grid disturbances , characterize state of stress and strain, analyze mathematical formulation of restoration processes

Teaching methods

Lectures
Tutorials
Experimental work in labs

Summary

Lattice imperfection. Plastic characteristics dislocation. Set single crystal. Strain hardening of material. Dynamic recovery and recrystallization. Static, dynamic and post - dynamic processes and their kinetics. Diffusion mechanism of plastic deformation. Deformation maps. Boundary plasticity: diction and influence decisive parameters. Superplasticity. State of stress and strain. Plastometric examination. Simulation of forming technologies.

Compulsory literature:

[1] May, I. L.: Principles of Mechanical Metallurgy. New York, Elsevier, 1981 [2] Kolmogorov, B. L.: Plastičnost i rozrušenije. Moskva, Metallurgija, 1986 [3] Honeycombe, R. W. K. The Plastic Deformation of Metals , 2d ed., Edward Arnold, London (1984).

Recommended literature:

[1] Chakrabarty, J. Theory of plasticity. Third edition published by Elsevier Butterworth-Heinemann, 2006, ISBN-10: 0-7506-6638-2. [2] Lubliner, J. Plasticity theory, Mc Milan, 1990. Individual movement of foreign literature toward to diploma work theme

Way of continuous check of knowledge in the course of semester

E-learning

Další požadavky na studenta

Elaboration of semester project and completing written tests.

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

• Crystallic construction metals. Directions and plane of slip - slippage systems. Lattice imperfection. Vacancy. • Dislocation, their intersection. Stacking faults. Tension round dislocation and energy. Set single crystal. Athermic and thermal component shear deformation tension. • Plastic deformation of polycrystalline. Increases incurred of grain boundary, alloying elements and precipitate. • Stress- strain curve. Primary objective mathematical descriptions. Calculations by the help of linear regression analysis. Determination constant k in Hollomon equation and energy of deformation. • Analysis stress-strain curve by dynamic restoration according to Sellars. Other analysis (pull - up play - new dislocation, movement jumps spiral dislocation. Garofalo application. Procedure assessment constants, especially activation energy. • Analysis curves controlled by dynamic recrystallization. • Mathematical theory of recrystallization kinetics Avrami equation. Adjustment Avrami equation. • Plastometric simulation. Primary objective manners and mathematical formulation tension and deformation. Application on real forming processes. • Influence deformation conditions on kinetics of dynamic recrystallization. Static recrystallization after plastic deformation at hot condition. Influence thermometric conditions on kinetics of static recrystallization. Base conditions phenomenon super - plasticity. • Diffused mechanism of plastic deformation, influence time and relaxation constant on form resulting equation. Diffusion flow of metal. Boundary plasticity – fracture. Work for creation of crack. Breakable rapture with plastic zone. • Mechanical maps of fracture. • Boundary plasticity metals. Manners mathematical formulation. Engineering materials and their characteristics - Ashby maps. • Indicator of state of stress - Kolmogorov. Influence second and third tensor state invariant of stress. Boundary stress according to Mohr. Triaxial state of stress - revolving paraboloid.

Conditions for subject completion

Combined form (validity from: 2014/2015 Winter semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100 (100) 51
        Exercises evaluation Credit 30  15
        Examination Examination 70  35
Mandatory attendence parzicipation:

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.FormStudy language Tut. centreYearWSType of duty
2019/2020 (N2109) Metallurgical Engineering (2109T038) Modern Metallurgical Technologies K Czech Ostrava 2 Choice-compulsory study plan
2019/2020 (N2109) Metallurgical Engineering (2109T038) Modern Metallurgical Technologies P Czech Ostrava 2 Choice-compulsory study plan
2018/2019 (N2109) Metallurgical Engineering (2109T038) Modern Metallurgical Technologies P Czech Ostrava 2 Choice-compulsory study plan
2018/2019 (N2109) Metallurgical Engineering (2109T038) Modern Metallurgical Technologies K Czech Ostrava 2 Choice-compulsory study plan
2017/2018 (N2109) Metallurgical Engineering (2109T038) Modern Metallurgical Technologies P Czech Ostrava 2 Choice-compulsory study plan
2017/2018 (N2109) Metallurgical Engineering (2109T038) Modern Metallurgical Technologies K Czech Ostrava 2 Choice-compulsory study plan
2016/2017 (N2109) Metallurgical Engineering (2109T038) Modern Metallurgical Technologies P Czech Ostrava 2 Choice-compulsory study plan
2016/2017 (N2109) Metallurgical Engineering (2109T038) Modern Metallurgical Technologies K Czech Ostrava 2 Choice-compulsory study plan
2015/2016 (N2109) Metallurgical Engineering (2109T038) Modern Metallurgical Technologies P Czech Ostrava 2 Choice-compulsory study plan
2015/2016 (N2109) Metallurgical Engineering (2109T038) Modern Metallurgical Technologies K Czech Ostrava 2 Choice-compulsory study plan
2014/2015 (N2109) Metallurgical Engineering (2109T038) Modern Metallurgical Technologies P Czech Ostrava 2 Choice-compulsory study plan
2014/2015 (N2109) Metallurgical Engineering (2109T038) Modern Metallurgical Technologies K Czech Ostrava 2 Choice-compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner