| MODULE: Heat Treatment – Outline and Basics |
- Terminology and metallurgical fundamentals in heat treatment
- Varieties of Fe alloys (casting and plastic forming) and their structures in equilibrium
- Phase transformations occurring in Fe alloys (during heating, during cooling, during tempering) of the steel structure after heat treatment
- Temper
- Stresses, strains and dimensional changes in heat treatment
- Terminology and classification of concepts in heat treatment
- Heating and cooling
- Chemical composition and its effect on thermal conductivity
- Heating media: liquid, gas, fluidized, vacuum - heating rate and heating time calculation
- Cooling media: water, oil, hydrochloric acid, sand, ash, furnace – cooling time calculation
- Protective atmospheres in heat treatment
- Heating steel and the chemical reactions that accompany it
- Division of protective atmospheres and their generation
- Application of protective atmospheres and their selection (for hardening, for annealing, for tempering, for machining cast iron)
- Proverb
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| MODULE: Standard heat treatment |
- Annealing
- Homogenizing and superheating
- Normalizing
- Complete (conventional and isothermal)
- Spheroidizing (conventional and isothermal)
- Recrystallizing
- Relaxing and stabilizing
- Volume hardening
- General rules
- Ordinary martensitic
- Gradual
- Bainitic with isothermal transformation
- Patenting
- Tempering (low, medium, high, temperability of unalloyed steels, temperability of alloyed steels, irreversible and reversible temper embrittlement, technological recommendations)
- Heat curing
- Thermal improvement
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| MODULE: Thermochemical treatment |
- General principles of thermochemical treatment
- Diffusion saturation with non-metallic chemical elements
- Carburizing
- Nitriding
- High-temperature nitrocarburizing
- Low-temperature nitrocarburizing
- Sulfur nitriding
- Sulfur-nitrocarburization
- Oxynitriding
- Drilling
- Diffusion saturation with metallic chemical elements
- Chrome plating
- Titanization
- Vanadium plating
- Aluminum plating
- Chromoaluminum plating
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| MODULE: Other thermal methods of producing surface layers |
- Thermal methods
- Surface hardening of machine parts (induction, flame, immersion)
- Melting
- Melting
- Fusion
- Dip coating (galvanizing, aluminizing, lead plating, copper plating)
- Thermochemical methods
- CVD-assisted saturation (APCVD, LPCVD, PACVD)
- Stopping
- Thermophysical methods PVD
- Thermomechanical methods (thermal spraying, cladding)
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| MODULE: Heat treatment technology for machine parts and tools |
- Heat treatment of structural steels (forgings, springs, gears, rolling bearings)
- Heat treatment of steel with special properties
- Corrosion-resistant, stainless and acid-resistant
- Heat-resistant (valve, resistance, heat-resistant)
- With specific physical properties (magnetically soft, magnetically hard, non-magnetic, with a specific coefficient of thermal expansion)
- Heat treatment of steel and iron castings
- Heat treatment of tools
- Measuring tools and instruments
- Cutting tools
- Cutting tools
- Tools for cold metal forming
- Tools for extruding and shaping other products
- Glass processing tools
- Die casting molds
- Hot forming tools
- Agricultural tools
- Mining tools
- Thermochemical treatment of tools
- Cutting tools
- Cold forming tools
- Hot forming tools
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| MODULE: Heat Treatment Defects and Quality Control |
- Disadvantages of hardening and tempering
- Incorrect hardness and soft spots
- Inadequate mechanical properties
- Hardening cracks
- Disadvantages of thermochemical and surface treatment
- Deformations and warping
- Hardening and grinding cracks
- Internal oxidation
- Incorrect layer thickness
- Reduced layer hardness and incorrect core hardness
- Quality control of products after heat and thermochemical treatment
- Health and safety rules in heat treatment
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| MODULE: Heat treatment equipment |
- Furnaces and heaters (low temperature, medium temperature, high temperature)
- Devices for generating regulated atmospheres
- Charge cooling devices
- Hardening tanks
- Manholes
- Presses and hardening devices
- Cooling chambers
- Cold traps
- Washing equipment
- Control and measurement devices
- Furnace systems and units
- Technological lines and sockets
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