Vitreous Enamel
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Vitreous Enamel Syllabus — Unit-wise Content
The official GTU curriculum for Vitreous Enamel (subject code 3345203) as prescribed for CT · Semester 4 divides the course into 7 units, covering 23 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 (3345203)Unit 1 Types of Enamel
- 1.1. Definition of enamels.
- 1.2. Utility of enamels with special reference to enamels on metals.
- 1.3. Types of enamel
Unit 2 Raw-Materials
- 2.1. Various raw materials used for enamel.
- 2.2. Classification of enamel making raw materials such as, Refractory materials, Fluxes, Colors, Opacifiers, Floating agents, Electrolytes Milling of enamel raw materials
Unit 3 Preparation of Metal Surface for Enamelling
- 3.1. Various methods adopted for cleaning metal surfaces such as annealing scaling, chemical pickling, and electrolytic cleaning.
Unit 4 Batch Composition and Calculation
- 4.1. The chemical composition and empirical formula of enamel.
- 4.2. Methods of calculation of ground coats and covered coats.
- 4.3. Frit and frit making, necessity and process of frit making.
Unit 5 Process for Enamelling
- 5.1. Dry process enamels and Wet process enamels
- 5.2. Control of enamel slip
- 5.3. Methods of application of ground coats and cover coats
- 5.4. Equipment’s used for the purpose
- 5.5. Drying of enamel coats
Unit 6 Firing of Enamel Coats
- 6.1. The types of furnaces used in enameling.
- 6.2. The effect of furnace atmosphere on enamel coats.
- 6.3. Maintenance of temperature for firing enamel coats.
- 6.4. The defects during firing of enamel coats and their remedies. Vitreous enamel Course code: 3345203 GTU/NITTTR/Bhopal/13-14 Gujarat State 3 Unit Major Learning Outcomes ( in cognitive domain ) Topics and Sub-topics
Unit 7 Properties and Tests of Enamel
- 7.1. Thermal properties of enamel.
- 7.2. Thermal expansion and contraction of enamels
- 7.3. Thermal shock tests
- 7.4. Thermal conductivity
- 7.5. Optical properties of enamel such as gloss, color etc. a. Adherence, hardness, elasticity, compressive strength, abrasion b. Chemical properties and tests
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