Ceramic Glazes and Enamels: CER 137 Lecture 4

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What percentage of the total mill volume should the dry batch charge occupy?

26 to 30%
11 to 18% (correct)
5 to 10%
19 to 25%

What is the primary advantage of the dipping application technique?

Flexibility in ware shape and size
High-energy efficiency
High-throughput capacity
Little capital equipment required (correct)

Which application technique involves breaking down a coating slip into a cloud of fine particles?

Waterfall or Bell Coating
Spraying (correct)
Painting
Discing

What type of appearance is produced by the Dry Glazing application technique?

Fine granite (D) Signup and view all the answers

Which application technique is commonly used by smaller manufacturers and studio potters?

Painting (A) Signup and view all the answers

What type of forces are used in the Spraying application technique to transfer particles to the substrate?

Pneumatic, mechanical, or electrical (B) Signup and view all the answers

What is the primary purpose of using a fully loaded soft brush when applying glaze?

To prevent smearing during the glazing process (C) Signup and view all the answers

Which technique involves filling in printed outlines or copying a standard pattern using a brush and colors suspended in a medium?

Hand Painting (C) Signup and view all the answers

What is the purpose of heating the ceramic printing ink in the copper plate printing process?

To achieve the desired fluidity for transfer (C) Signup and view all the answers

Which technique involves using a solid convex pad of silicone rubber to transfer ink from an engraving?

Transfer Printing (D) Signup and view all the answers

What is the result of soaking the article in water after applying the print in the copper plate printing process?

The paper is removed from the article (C) Signup and view all the answers

Which technique has a high production rate and is relatively low-cost, applicable to any article that is circular about an axis?

Lining and Banding (A) Signup and view all the answers

What is the purpose of weighing, blending, and melting in the furnace during frit manufacture?

To create a ceramic coating with specific properties (B) Signup and view all the answers

Which of the following raw materials is suitable for use in a ceramic coating?

Feldspar (A) Signup and view all the answers

What is the optimal density range for glaze slips during milling?

1.6 to 2.5 g/cc (D) Signup and view all the answers

What is the recommended occupation of the mill volume by the grinding media and intervening voids?

55% to 65% (B) Signup and view all the answers

What is the primary factor that affects the grinding efficiency in milling?

All of the above (D) Signup and view all the answers

Why are alkali carbonates avoided in glaze and enamel manufacture?

They can cause defects in the final glaze (C) Signup and view all the answers

What is the role of the gelatin pad in ceramic decoration?

To transfer the design onto the ceramic article (D) Signup and view all the answers

What is the purpose of the rubber blade or squeegee in screen printing?

To force the ink through the open areas of the stencil (C) Signup and view all the answers

What is the term for the manufacturing of paper transfers or decals?

Decalcomania (C) Signup and view all the answers

What is the term for the application of a monochromatic decoration using a rubber stamp?

Stamping (A) Signup and view all the answers

What is the term for the defects characterized by the formation of small holes on the surface?

Pinholes (C) Signup and view all the answers

What is the term for the defects characterized by the loss of glaze causing roughness?

Peeling (B) Signup and view all the answers