Ch. 13 Applications & Processing of Ceramics

Question 1

Glass properties

Answer 1

Made from silica glass, ez to maufacture, hard, chemically resistant, super-cooled liquid

Question 2

Super- cooled liquid density to temp. behaviour (graph)

Answer 2

Supercooled liquid has no sudden fall of density

Question 3

Glass viscosity stages (from - to +)

Answer 3

Melting point, working point, softening point, annealing point, strain point.

Question 4

Glass forming methods

Answer 4

Pressing, blowing, drawing, fibre forming

Question 5

Tempering glass

Answer 5

Drench causes surface compression, small cracks get supressed by said compression

Question 6

Toughening glass

Answer 6

Chemical (tempering) Instroduces K+ ions in surface (bigger than Na+) to cause compression in surface layers

Question 7

Powder Ceramic Fabrication

Answer 7

Ceramic powder - compacted - Green formed - Fired below Tm - Final Product

Question 8

Advanced Ceramics Applications

Answer 8

Sensors, MEMS, nanocarbons, Medical & Bioengineering, Coatings

Question 9

MEMS material

Answer 9

Si

Question 10

Fullerenes uses

Answer 10

Antioxidants, Biopharmaceuticals, Organic Solar Cells

Question 11

Carbon nanotubes uses

Answer 11

Electric field emitters, cancer treatement, solar cells

Question 12

Graphene uses

Answer 12

Transistors, Supercapacitors, Biosensors

Question 13

Medical & Bioeng.

Answer 13

Bone replacement, Artificial Joints, Tooth implants, biocompatible implant, Controlled drug delivery systems

Question 14

Coatings uses

Answer 14

Thermal, erosion resistant, electrocatalitically active, super hydrophobic