Advance Refractory
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Follow on Instagram for UpdatesAdvance Refractory Syllabus — Unit-wise Content
The official GTU curriculum for Advance Refractory (subject code DI04052071) as prescribed for CT · Semester 4 divides the course into 5 units, covering 16 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (DI04052071)Unit 1 Microstructure and its Relation to Properties of Refractory Materials.
- 1.1. Introduction to Microstructure Definition and importance Constituents: grains, pores, and glassy phase Alumina-silica phase diagrams.
- 1.2. Factors Affecting Microstructure Raw materials and impurities Manufacturing process (mixing, shaping, firing) Firing temperature, atmosphere, and cooling rate
- 1.3. Relation between Microstructure and Properties Effect of grain size, porosity, and bonding on strength and density Influence on thermal conductivity and thermal shock resistance Relation with corrosion and slag resistance
Unit 2 Uses of Refractory Materials
- 2.1. Introduction and Classification of Uses Importance of refractories in industries Classification based on area of use: o Metallurgical o Non-metallurgical Selection criteria for different applications
- 2.2. Uses in Metallurgical Industries Iron and steel industry – furnaces, ladles, converters Non-ferrous metal industry – copper, aluminium, zinc smelting furnaces Cement, glass, and ceramic kilns
- 2.3. Uses in Non-Metallurgical and Special Applications Petrochemical and chemical industries Power generation, incinerators, and boilers Space, nuclear, and electronic applications (advanced refractories)
Unit 3 Kiln Furniture
- 3.1. Introduction and Functions Definition and importance of kiln furniture Role in supporting ceramic ware during firing Desired properties of kiln furniture (mechanical strength, thermal shock resistance, etc.)
- 3.2. Types and Materials Used Common types: plates, setters, props, batts, saggars, 8 10% GUJARAT TECHNOLOGICAL UNIVERSITY Program Name: Diploma Engineering Level: Diploma Branch: Ceramic Technology Subject Code: DI04052071 Subject Name: Advance Refractory and supports Materials used: fire clay, cordierite, mullite, silicon carbide, alumina
- 3.3. Manufacturing and Applications Manufacturing process of kiln furniture Uses in ceramic, glass, and metallurgical industries
Unit 4 Properties and Tests of Refractory
- 4.1. Physical Properties Porosity, bulk density, and apparent specific gravity Refractoriness and refractoriness under load (RUL) Thermal expansion and thermal conductivity
- 4.2. Mechanical and Thermal Properties Cold crushing strength (CCS) and modulus of rupture (MOR) Thermal shock resistance and spalling behavior Creep resistance at high temperature
- 4.3. Chemical and Slag Resistance Tests Corrosion and erosion resistance tests Methods for testing chemical stability and quality control.
Unit 5 Pollution Control and Safety in Refractory Industries
- 5.1. Sources of Pollution in Refractory Industries Air pollution: dust, smoke, and gaseous emissions during crushing, mixing, and firing Water and land pollution from effluents and waste materials Noise pollution from machinery and handling equipment
- 5.2. Pollution Control Methods Dust collection systems: bag filters, cyclones, scrubbers Wastewater treatment and recycling methods Proper disposal of solid and hazardous wastes
- 5.3. Industrial Safety and Health Measures Common hazards in refractory plants (heat, dust, heavy equipment) Safety devices and protective equipment (PPE)
- 8. 30% GUJARAT TECHNOLOGICAL UNIVERSITY Program Name: Diploma Engineering Level: Diploma Branch: Ceramic Technology Subject Code: DI04052071 Subject Name: Advance Refractory
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