636-0049/01 – Materials Selection (VOLBA)
| Gurantor department | Department of Material Engineering | Credits | 6 |
| Subject guarantor | prof. Ing. Bohumír Strnadel, DrSc. | Subject version guarantor | prof. Ing. Bohumír Strnadel, DrSc. |
| Study level | undergraduate or graduate | Requirement | Compulsory |
| Year | 2 | Semester | winter |
| | Study language | Czech |
| Year of introduction | 1991/1992 | Year of cancellation | 2012/2013 |
| Intended for the faculties | FS | Intended for study types | Follow-up Master |
Subject aims expressed by acquired skills and competences
- Knowledge of procedures in creation of a new product
- Design of the product reliability and its system solution
- Select material according to the maximum allowable stress
- Select the material according to the chosen value of the design index
- Select material according to the maximum permissible or allowable deformation
- Optimize the shape of structural components as dictated by the material
- Analyze the function of structural components and propose design criteria for the production of material
Teaching methods
Lectures
Tutorials
Summary
Interpretation of design methods of structural parts and methods
how to create criteria for materials selection are followed by formulations of
maximum stress and maximum strain criteria, of criteria for materials safety
against low energy fracture, of materials selection criterion for structural
parts.
Compulsory literature:
1. B. STRNADEL: Řešené příklady a technické úlohy z materiálového inženýrství,
Ostravské tiskárny 1998, 334 s.
2. M. F. ASHBY: Materials selection in mechanical design, Pergamon Press 1992,
311 s.¨
3. V. SEDLÁČEK: Neželezné kovy a jejich slitiny, SNTL Praha 1979, 398 s.
Recommended literature:
Way of continuous check of knowledge in the course of semester
E-learning
Other requirements
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Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
Lectures:
1st Introductory lecture
2nd Basic methods of design components
3rd Methods of criteria for the choice of construction materials
4th The criterion of maximum allowable stress
5th The criteria for maximum permissible and maximum required deformation
6th Criteria for safety due to the emergence of low-energy fracture
7th Design criteria of material cyclically loaded components
8th Methods of pairs of functional materials for wear surfaces
9th Material design criteria for multi-axis stress components
10th Criteria for minimum weight components
11th Criteria for the maximum strain energy
12th Influence of microstructure of structural materials to design indexes
13th Information systems use the products selected manufacturing sectors and their functions
14th Sources of information about the properties of materials and their use in the design
material for the intended use
Exercise:
1st Introductory training, requirements, a summary study of literature,
summary of the basic knowledge of strength and elasticity, continuum mechanics and
fyzikymateriálů necessary for mastering the subject.
2nd The basic philosophy of design components and their application in
selected manufacturing industries. Application fields for pressure vessels and piping and
comparing results using different methods.
3rd Practice using some methods of construction material criteria
and their application in different loading conditions, the same structural
parts, assessing the impact on the shape of the component selection of a suitable material.
4th Application of criteria for maximum allowable voltage on the profiled element light
strained construction to move the wall pressure vessels and general support
cross-loaded on the buckling.
5th Solved examples of application of criteria for maximum permissible deformation
safety assessment of structures subjected to creep, examples of election
material components with a plastic joint.
6th Examples of design material for structures and low temperature cryogen. Application
methods of selection of ceramic materials and glass for its intended use.
7th The selected design solution of the material in its application to the component
exposed to fatigue. Comparison of results of draft material for consideration
uniaxial and multiaxial cyclic stress.
8th Solved examples of choices of construction materials for a pair of well-mannered
loading and functional interaction surfaces. Comparison of different results
design of structural materials for a pair of different mechanisms
wear.
9th Examples of design of structural materials under uniaxial and multiaxial stress,
special cases of stress-strain states. Practical examples of how
stress-strain state influence the choice of construction material.
10th The solution selected examples of the loaded beam, plate and shell on the choice
construction material in the condition of minimum weight. Comparison
solution results in thin-walled pressure vessel under conditions of "leak before
break ".
11th Examples of solving a suitable construction material for the production of springs
applying the criteria of maximum strain energy.
12th Examples of the influence of chemical composition and processing technology
construction materials and their resulting microstructure to
draft design index materials.
13th Test Test.
14th Checking test results, credit.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction