AZTUProgrammes

Subject · Materials engineering

Materialların təkrar emalıTopics

İF-3080y 7 creditsSpring semesterMandatory2025-2026

Topic plan

The subject's topics and the learning outcomes attached to each one.

7 topics

  1. 1. General characteristics of the recycling process. the main technological parameters of the smelting process.

    Lecture

    Introduction to recycling processes of secondary raw materials, physico-chemical basis of smelting operations and control of technological parameters (temperature, pressure, time).

  2. 2. Slag materials for remelting. cast iron used in remelting. ferroalloys. they will burn. fluxes.

    Lecture

    Characteristics of the base of raw materials used in recycled metallurgy, including slag materials, ferroalloys, furnace fuels and fluxes.

  3. 3. Cast iron re-smelting in vatranka. a characteristic feature of modern vagranka. zones of vagranka and processes occurring in these zones. advantages and disadvantages of vagrankas.

    Lecture

    Construction of frost melting furnaces (vagrankas), thermophysical and chemical processes taking place in their inner zones, as well as operational indicators of these furnaces.

  4. 4. Cast iron remelting in electric furnaces. types of electric furnaces for remelting. a characteristic feature of cast iron melting in arc furnaces. cast iron smelting in induction furnaces.

    Lecture

    Cast iron remelting technologies in electric arc and induction furnaces, comparative analysis of different types of furnaces and energy efficiency.

  5. 5. Obtaining high-quality cast iron by remelting. obtaining high-quality cast iron with the application of electrosmelting. processing of cast iron with modifiers and other additives. processing of cast iron with gases and powder gas mixtures. processing outside the oven.

    Lecture

    Improvement of the structure of cast iron by means of modifiers, special gases and powder gas additives and non-furnace processing technologies.

  6. 6. General characteristics of the smelting of recycled steel. melting of steel in marten furnaces. features of the basic and sour marten process.

    Lecture

    The principles of obtaining steel from secondary raw materials, the metallurgical characteristics of the basic and sour marten processes, which differ according to the environment inside the furnace.

  7. 7. Purchase of steel in the converter.

    Lecture

    Technological features of oxygen converter production, involvement of recycled raw materials in the process and formation of physical and chemical properties of liquid steel.