Termiki emal texnologiyasıSyllabus

Subject code

İFS-3690y

Credits

7

Student workload

210

Semester

Autumn semester

Academic year

2025-2026

Subject type

Elective

Form of education

Full-time

Language of instruction

Azerbaijani

In-class hours

a) 45 saat - mühazirə b) 15 saat - məşğələ c) 30 saat - laboratoriya

Out-of-class hours

a) 72 saat - sərbəst iş b) 48 saat - hazırlıq

Fənnin məqsədi fənnin tədrisi «050623 - “materiallar mühəndisliyi”» ixtisası üzrə ixtisaslaşan tələbələrin:  termiki emal proseslərinin əsasları;  termiki emal prosesində qızdırma, saxlama və soyutma müddətləri;  termiki emal prosesində maddə daşınması prosesi;  termiki emal proseslərində yaranan gərginliklər;  termiki emal zamanı yaranan qüsurlar və onların aradan qaldırılması üsulları;

• lecture
• laboratory work
• interactive discussion
• teamwork
• seminar
• presentations

1. 1

   CLO 1: This subject teaches students how to impart desirable physical and mechanical properties to metals and alloys by changing the internal structure of metals and alloys through thermal effects. students will gain an in-depth understanding of the theoretical basis of tempering, tempering, tempering and chemical-thermal treatment processes. they will be able to analyze the working conditions of specific parts and calculate the optimal heating and cooling regimes that will fully ensure the required structural transformations. at the end of the course, the methods of diagnosing and eliminating the causes of various thermal processing defects found in production will be mastered.

1. 1.
   Introduction. the purpose of the subject and the object of research.Lecture

   The importance of the subject of heat treatment in engineering and metallurgy, the objects studied by the subject and the general principles of controlling the properties of metal by heat.

2. 2.
   The basic structure of thermal processing technologyLecture

   The main stages of the heat treatment process (heating, storage, cooling) and classification of these operations according to their purpose.

3. 3.
   The basic structure of thermal processing technologyLecture

   The systematized structure of the main thermal processing types (softening, normalizing, tempering, tempering) and chemical-thermal processing processes.

4. 4.
   Laws of heat transferLecture

   The relevant laws of thermodynamics and the main mechanisms of heat exchange (convection, radiation, heat transfer) between the environment and the detail.

5. 5.
   Heat transfer processLecture

   The physical nature of heat conduction, fourier's law, heat flow and factors determining the thermal conductivity of materials.

6. 6.
   The phenomenon of heat conduction in solidsLecture

   Mechanisms of heat propagation in metals and alloys through electron gas and phonons.

7. 7.
   The phenomenon of temperature transfer in solid bodiesLecture

   Non-stationary variation of the temperature field, physical meaning of the temperature transfer coefficient and thermal inertia of the material.

8. 8.
   The phenomenon of temperature transfer in steelsLecture

   The influence of the phase composition of steel, the amount of carbon and alloying elements in its content on its temperature transfer properties.

9. 9.
   Temperature field in solidsLecture

   During heating or cooling, temperature distribution over the volume of a solid body and the formation of a temperature gradient.

10. 10.
    Heat transfer and its conditions during thermal processingLecture

    The atmosphere of heating furnaces, the cooling capabilities of various cooling media (water, oil, polymer solutions) and heat exchange conditions.

11. 11.
    Heating, holding and cooling periods in the heat treatment processLecture

    Determination of time parameters (empirical and analytical methods) of the thermal treatment mode depending on the size, shape and material of the part section.

12. 12.
    Material handling process and its rulesLecture

    Diffusion mechanisms in solid state, fick's laws and migration of atoms during chemical-thermal processing (cementing, nitrating).

13. 13.
    Stresses generated in thermal processing processes. types i, II and III voltagesLecture

    Classification of stresses caused by volume changes: macrostrains (type i), microstrains (type ii) and submicroscopic stresses (type iii).

14. 14.
    Ability to tabulateLecture

    The potential of steel to acquire a high-hardness martensite structure and the effect of carbon content on maximum hardness.

15. 15.
    Tabbing depthLecture

    The concept of depth, crack diameter, where the martensite structure (or semi-martensite zone) can spread along the cross-section of the part.

16. 16.
    Technological modes of tabulation.Lecture

    Determination of heating temperature based on iron-carbon state diagram (critical temperatures), types of tabulation (continuous, stepwise, isothermal).

17. 17.
    Technological modes of tempering (softening).Lecture

    Type i (homogenization, recrystallization, stress relief) and type II (complete, incomplete, isothermal) annealing/annealing operations.

18. 18.
    Technological modes of sublimation.Lecture

    Low, medium and high temperature annealing processes to reduce the internal stresses of forged steels and obtain the required mechanical properties (viscosity, elasticity).

19. 19.
    Defects during heat treatment and methods of their elimination.Lecture

    Heat treatment defects such as oxidation, decarburization, cracking, deformation (bending), insufficient hardness and spot plating.

20. 20.
    Thermal processing technology of carbon steels.Lecture

    Standard heat treatment routes used to optimize the properties of structural and tool carbon steels.

21. 21.
    Technology of heat treatment of alloy steels.Lecture

    The effect of alloying elements on phase transformations, the problem of the viscous-brittle transition and the properties of heat treatment of alloyed steels (especially construction).

22. 22.
    Thermal processing technology of steels with special properties.Lecture

    Complex and multi-stage thermal processing processes of corrosion-resistant (stainless), heat-resistant, corrosion-resistant and high-speed steels.

23. 23.
    Thermal processing technology of precision (very accurate) details.Lecture

    "cold treatment" and long-term tempering for complete structural stabilization of instrument parts, gauges and measuring instruments requiring dimensional stability.

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