Plasticity of materials
| Type of study | Follow-up Master |
|---|---|
| Language of instruction | Czech |
| Code | 652-3019/01 |
| Abbreviation | PLMIng |
| Course title | Plasticity of materials |
| Credits | 7 |
| Coordinating department | Department of Metallurgical Technologies |
| Course coordinator | doc. Ing. Lenka Kunčická, Ph.D. |
Subject syllabus
• Crystalline structure of metals. Slipes and sliping planes - Sliping systems.
• Deffects of crystal lattice. Vacations, dislocations and their intersections, stacking faults. The stress around dislocation and energy.
• The tensity during forming, the general solution of spatial tensity.
• Limit plasticity of metals, plasticity hypothesis. Effect of tensity state on limits od plasticity. Conditions of plasticity, indicator of state of stress, determination of limits the stress states.
• Plastic deformation of monocrystall and polycrystall. The mechanism of plastic deformation. Increments of deformation stress.
• The stress - strain curves during hot and cold forming. The basic mathematical description of stress - strain curves, using of linear regression.
• Analysis of stress - strain curves controlled by dynamic softening processes.
• The kinetics of recrystallization - the Avrami equation. The influence of thermomechanical conditions on kinetics of static and dynamic recrystallization.
• The controll evolution of structure during deformation and during cooling of hot formed products.
• The austenite transformation during cooling of steels. The characteristic and possibility of usinig transformation diagrams with influence of deformation.
• The possibility aplication of plastometric simulation. The basic mathematical expression of stress and strain. Applicability to real forming processes.
• The characteristics and usiability of progressive metallic materials.
• Deffects of crystal lattice. Vacations, dislocations and their intersections, stacking faults. The stress around dislocation and energy.
• The tensity during forming, the general solution of spatial tensity.
• Limit plasticity of metals, plasticity hypothesis. Effect of tensity state on limits od plasticity. Conditions of plasticity, indicator of state of stress, determination of limits the stress states.
• Plastic deformation of monocrystall and polycrystall. The mechanism of plastic deformation. Increments of deformation stress.
• The stress - strain curves during hot and cold forming. The basic mathematical description of stress - strain curves, using of linear regression.
• Analysis of stress - strain curves controlled by dynamic softening processes.
• The kinetics of recrystallization - the Avrami equation. The influence of thermomechanical conditions on kinetics of static and dynamic recrystallization.
• The controll evolution of structure during deformation and during cooling of hot formed products.
• The austenite transformation during cooling of steels. The characteristic and possibility of usinig transformation diagrams with influence of deformation.
• The possibility aplication of plastometric simulation. The basic mathematical expression of stress and strain. Applicability to real forming processes.
• The characteristics and usiability of progressive metallic materials.
E-learning
Literature
[1] BANABIC, D. et al. Formability of Metallic Materials: plastic anisotropy, formability testing, forming limits. New York: Springer, 2000. ISBN 3-540-67906-5.
[2] GRONOSTAJSKI, Z. The constitutive equations for FEM analysis. Journal of Materials Processing Technology. 2000, 106(1-3), 40-44. ISSN 0924-0136 .
[3] KAWULOK, R., et al. Transformation kinetics of selected steel grades after plastic deformation. Metalurgija. 2016, 55(3), 357-360. ISSN 0543-5846 .
[2] GRONOSTAJSKI, Z. The constitutive equations for FEM analysis. Journal of Materials Processing Technology. 2000, 106(1-3), 40-44. ISSN 0924-0136 .
[3] KAWULOK, R., et al. Transformation kinetics of selected steel grades after plastic deformation. Metalurgija. 2016, 55(3), 357-360. ISSN 0543-5846 .
Advised literature
[1] KAWULOK, P., et al. Credibility of various plastometric methods in simulation of hot rolling of the steel round bar. Metalurgija. 2014, 53(3), 299-302. ISSN 0543-5846 .
[2] KAWULOK, R., et al. Effect of deformation on the CCT diagram of steel 32CrB4. Metalurgija. 2015, 54(3), 473-476. ISSN 0543-5846 .
[2] KAWULOK, R., et al. Effect of deformation on the CCT diagram of steel 32CrB4. Metalurgija. 2015, 54(3), 473-476. ISSN 0543-5846 .