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CERAMIC COATINGS
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DI05052041
Code: DI05052041
Credits: 4
Semester 5
CT
Ceramic Coatings
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Follow on Instagram for UpdatesCeramic Coatings Syllabus — Unit-wise Content
The official GTU curriculum for Ceramic Coatings (subject code DI05052041) as prescribed for CT · Semester 5 divides the course into 5 units, covering 20 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 (DI05052041)Unit 1 Introduction, Raw Materials and Surface Preparation
- 1.1. Introduction to Ceramic Coatings • Define ceramic coatings and surface engineering • Classification: Protective coatings, Decorative coatings, Functional coatings (thermal, electrical, wear-resistant) • Applications in ceramic industries (tiles, sanitaryware, refractories)
- 1.2. Raw Materials for Coatings Binders: clay, frits, resins Solvents/mediums: water, organic solvents Additives: Dispersants, Plasticizers, Deflocculants, Stabilizers Pigments & opacifiers: Metal oxides (Fe₂O₃, CoO, Cr₂O₃) , Zircon, titania
- 1.3. Surface Preparation Importance of surface preparation Methods: Mechanical cleaning (grinding, polishing), Chemical cleaning (acid/alkali treatment), Degreasing, Roughening techniques
- 1.4. Batch Calculations Calculation of coating composition
Unit 2 Coating Techniques
- 2.1. Conventional Methods Dip coating: Principle and process steps, Factors affecting thickness Spray coating: Types: air spray, airless spray, Advantages and limitations Spin coating: Principle and applications (thin films)
- 2.2. Glazing and Enamelling Definition of glaze
- 10. 22% GUJARATTECHNOLOGICALUNIVERSITY Program Name: Diploma Engineering Level: Diploma Branch: Ceramic Technology Subject Code: DI05052041 Subject Name: Ceramic Coatings _________________________________________________________ w.e.f.2026-27 http://syllabus.gtu.ac.in/ Page 3 of 7 Types of glazes: Transparent, opaque, matt Enamelling process and applications
- 2.3. Advanced Coating Methods Plasma spraying Chemical vapor deposition (CVD) Physical vapor deposition (PVD) Sol-gel coating
Unit 3 Drying and Firing
- 3.1. Drying of Coatings Stages of drying: Constant rate period, Falling rate period Factors affecting drying: Temperature, Humidity, Air velocity
- 3.2. Firing of Coatings Firing cycles and temperature profiles Interaction between coating and substrate Role of kiln atmosphere
- 3.3. Defects in Coatings Cracking Peeling Blistering Pinholes Crawling
- 3.4. Remedies Process control Material adjustment Proper drying and firing schedule
- 8. 17% GUJARATTECHNOLOGICALUNIVERSITY Program Name: Diploma Engineering Level: Diploma Branch: Ceramic Technology Subject Code: DI05052041 Subject Name: Ceramic Coatings _________________________________________________________ w.e.f.2026-27 http://syllabus.gtu.ac.in/ Page 4 of 7
Unit 4 Properties and Testing
- 4.1. Physical Properties Adhesion strength Hardness Thickness Porosity
- 4.2. Mechanical & Chemical Properties Wear resistance Corrosion resistance Thermal stability Chemical resistance
- 4.3. Testing Methods Adhesion test (scratch/tape test) Hardness test (Mohs, Vickers) Thickness measurement (micrometer, coating gauge) Thermal shock resistance test
Unit 5 Types of Coatings and Applications
- 5.1. Types of Ceramic Coatings Protective coatings Decorative coatings Thermal barrier coatings (TBC) Electrical insulating coatings
- 5.2. Industrial Applications Tiles and sanitaryware glazing Refractory coatings Aerospace thermal coatings Biomedical coatings
- 5.3. Selection of Coatings Based on: Temperature resistance, Chemical environment, Mechanical requirements, Cost and durability
- 8. 17% GUJARATTECHNOLOGICALUNIVERSITY Program Name: Diploma Engineering Level: Diploma Branch: Ceramic Technology Subject Code: DI05052041 Subject Name: Ceramic Coatings _________________________________________________________ w.e.f.2026-27 http://syllabus.gtu.ac.in/ Page 5 of 7
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