635-2037/01 – Testing of materials for thermal processes (ZMTP)
Gurantor department | Department of Thermal Engineering | Credits | 7 |
Subject guarantor | Ing. Michaela Topinková, Ph.D. | Subject version guarantor | Ing. Michaela Topinková, Ph.D. |
Study level | undergraduate or graduate | Requirement | Compulsory |
Year | 3 | Semester | winter |
| | Study language | Czech |
Year of introduction | 2019/2020 | Year of cancellation | |
Intended for the faculties | FMT | Intended for study types | Bachelor |
Subject aims expressed by acquired skills and competences
Student will be able to:
- identify materials for thermal processes on the basis of their properties
- consider properties of materials for thermal processes from the perspective of their composition and structure
- predict lifetime of given materials in dependency of their properties
- evaluate possible application of materials in operating conditions
- determine properties of materials for thermal processes
Teaching methods
Lectures
Tutorials
Experimental work in labs
Summary
The effect of material structure on their properties. Criteria of density. Particle size and specific surface of powder materials. Mechanical properties. Thermal properties. Thermomechanical properties. Corrosion of materials for thermal processes. Rheology of materials for thermal processes. Behaviour of raw materials and refractory materials at elevated and high temperatures.
Compulsory literature:
Recommended literature:
Way of continuous check of knowledge in the course of semester
Written test and oral exam.
E-learning
Other requirements
Attendance on excursions in production plants.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
• Criteria of density. Determination of density, bulk density, absorption, apparent and true porosity. Pore size distribution.
• Automatic determination of density. Mercury porosimetry. Determination of gas permeability.
• Granulometry. Sieve analyse, particle counters, separators. Rules for usage of particular methods for description of granulometry.
• Specific surface of powder materials. Principles of permeable and sorption methods of determination of specific surface.
• Mechanical properties of inorganic non-metal materials. Relationships between structure of materials and theoretical strength. Compressive, tensile and flexural strength. Impact bending strength.
• Young modulus. Static and dynamic methods of determination of elasticity modulus. Hardness and micro hardness. Abrasion resistance.
• Thermal properties. Thermal capacity. Effective coefficient of thermal conductivity. Determination of coefficient of thermal conductivity. Determination of thermal diffusivity.
• Thermal expansion. Determination of linear and volume thermal expansion.
• Thermo-mechanical properties. High temperature flexural strength. Refractoriness under load. Creep. Thermal shock resistance. Refractoriness. High temperature volume stability.
• Corrosion resistance of non-metal inorganic materials. Frost resistance.
• Reology of materials for thermal processes. Classification of materials related to their stress-strain behaviour. Viscosity of slurries. Deflocculation. Plasticity of mixes.
• Preparation of un-shaped materials. Determination of their properties.
• High temperature treatment of non-metal inorganic heterogeneous materials. Expression of water content and its reduction. Processes at water leaving the system. Principles and ways how to reduce water content in system. Sintering. Sintering processes and their principles.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction