15CR61T: Ceramic Coatings Ceramics 6th Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Ceramic Coatings detail DTE Kar Diploma syllabus for Ceramics Engineering (CR), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15CR61T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other ceramics 6th sem syllabus for diploma c15 scheme dte karnataka you can visit Ceramics 6th Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for ceramic coatings is as follows.

Pre-requisites:

Basics of ceramics, Ceramic raw materials, Manufacturing technology, Ceramic process calculations

Course Objectives:

Student will compose and manipulate the Glaze & Enamel batch, and produce the product with negotiable defects

Course Outcomes:

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1. Introduction to Ceramic Coatings

Define coating, importance of coatings and classification of ceramic coatings, define Glaze, Enamel, Differentiate Glass vs. Glaze vs. Enamel, Properties of Glaze and Enamel, Effect of Glaze on electric and mechanical properties of ceramic body.
Classification of Glaze: Raw & Fritted Glaze, Lead & leadless Glaze, transparent & opaque Glazes, Matt Glaze, Crystalline Glaze, Crackle glaze and vapour Glaze. Compare the characteristics and qualities of different glazes.

2. Raw materials

Describe different groups of glaze oxides with their source and role in a recipe; acidic oxides like SiO2, B2O3, basics oxides like PbO, K2O, Na2O, CaO, ZnO, MgO, BaO, Li2O, amphoteric oxides like Al2O3 and opacifiers like SnO2, TiO2, ZrO2, ZrSiO4, Sb2O3, Bone ash, CaF2.
Discuss the role and working mechanism of mill additives like electrolytes, binders, suspending agents.
Outline the health issues and Safety precautions in material handling and disposals.

3. Preparation and Application of Glaze

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4. Firing and defects of Glaze

Describe the firing Schedule of Glaze, precautions in stacking the glazed products for firing, understand the pyro-chemical reactions and firing atmosphere (oxidation and reduction).
Explain common defects in glaze like crazing (instant and delayed), crawling, peeling, pinholes, blistering, spit out, chipping, over glazing, dunting, stuck ware, under firing, over firing, specking, sulphuring, color variation, change in color, starved glaze, bloating etcwith their causes and remedies.

5. Decoration in Glaze

Understand the importance of colouring oxides and stains. use of different materials like manganese, cobalt, chromium, iron, copper, nickel, vanadium, antimony, Titanium dioxide, gold with the color they produce in different combinations. Describe the stain and its preparation methods.
Discuss different types of decorating techniques: In Glaze, On Glaze, Under Glaze decoration.
Describe direct decoration: Painting, banding & lining, Indirect decoration: Screen printing & Chromolithographyand Semi Direct: Stamping & Stenciling method.
Illustrate the concept of digital printing technology in glazed tiles.

6. Enamel coatings

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Reference Books:

1. Glazes for the Craft Potter Harry Fraser
2. Lead Glazes for Ceramic Food ware, Richard L. Lehman
3. The potters book of Glaze recipe Emmanuel Cooper
4. The Ceramic Glaze Handbook Materials-Mark Burleson
5. Glaze: The Ultimate Ceramic Artist’s Guide to Glaze and Color-Kate Doody

e-Resources

1. http://ceramicartsdaily.org/
2. http://en.wikipedia.org/wiki/Ceramic_glaze
3. http://www.xaar.com/en/mediadocuments/xaar-ceramic-guide.pdf
4. http://www.artshow.com/resources/ceramics.html

Suggested Student Activity

1. Prepare a Glaze of your own composition and apply the glaze on terracotta body by spraying method
2. Clean a rusty metal coated with grease by suitable metal preparation method for enamelling and make a report on the steps and difficulties faced.
3. Analyze Glaze defects of different glazed products and report the same with their possible causes and remedies
4. Compose a glaze composition to produce defect free product and report the same
5. Decorate the Glazed body by using any defined techniques and report the product
6. Decorate a glazed tile with ceramic chromolithographic transfer papers and fire it.

Note: Student should prepare hand written report with minimum 2-3 pages and reports should not be copied from earlier batches. And other similar tasks can be assigned.

Model Question Paper:

(CIE)

1. Define enamel, enumerate its importance. Or Define Glaze, differentiate Glaze and Enamel
2. Explain the effect of glaze on mechanical strength Or Chart the different types of Glaze with their Raw materials
3. Classify the Glaze raw materials with examples
4. Explain the functions of SiO2in glaze composition. Or Write a note on mill additives.

Model Question Paper:

(SEE)

Part-A

Answer any 6 of the following 6×5=30 marks

1. Tell the classification of Glaze. C1
2. Why Glazing is necessary? Explain. C1
3. Classify the Glaze raw materials. C2
4. Discuss the importance of fritting. C3
5. Why engobe application is necessary for glazed wares? C3
6. Discuss instant and delayed crazing C4
7. Summarize the different ceramic raw material as coloring material in Glaze C5
8. Describe metal preparation C6
9. Differentiate ground coat and cover coat C6

PART-B

Answer any 7 of the following 7×10=30 marks

1. Explain how mechanical strength is influenced by glazing 10 C1
1. Explain vapor Glaze 05 C1
2. Distinguish the Glaze and enamel 05 C1
3. Explain the functions of raw material for glaze 10 C2
1. Explain the precautionary measures to be taken in handling lead based compounds. 05 C2
2. How blister defect of Glaze 05 C4
5. Explain fritting process in detail. 10 C3
6. Illustrate electrostatic spraying method of glaze application. 10 C3
7. Explain any four Glaze defects with causes and remedies. 10 C4
8. Explain stamping and stencilling method of decorating In Glaze 10 C5
9. Explain the base metal preparation method 10 C6
1. Write the composition for Enamel 05 C6
2. Discuss mill additives 05 C6

For detail syllabus of all other subjects of BE Ceramics, C15 scheme do visit Ceramics 6th Sem syllabus for C15 scheme.

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