What are ceramics? correct answers Crystalline compounds formed between metallic and
nonmetallic elements
What sets ceramics apart from other materials? correct answers Extreme hardness, extreme
brittleness, high temperature resistance, low electric and thermal expansion, high corrosion
resistance, high porosity and low density
What materials are used for hard surface coating correct answers TiN, TiCN, ZrN, TiAlN, CVD
Diamond
What is unique about ceramics in regards to their stress-strain diagram? correct answers Always
a straight line - no plastic deformation.
What are traditional ceramics made of? correct answers Clay, silicates
What are the main groups that advanced ceramics are made of? correct answers oxides, carbides,
nitrides
What are some examples of advanced ceramic carbides? correct answers SiC, WC, B2C, TiC
What are some examples of advanced ceramic oxides? correct answers Al2O3, ZrO2, MgO
What are some examples of advanced ceramic nitrides? correct answers Si3N4, cBN, TiN
Common applications for ceramics? correct answers Carbon/graphite, building materials,
flooring, abrasives, cutting tools, structural shapes, glasses, structural clay products, eathenware,
whiteware, electrical resistors, capacitors, piezoelectric senors, refractories
, Applications for traditional ceramics? correct answers Clays for pottery and porcelain,
refractories, glasses, cement, abrasives
What are examples of clays that traditional ceramics are made of? correct answers Kaolin clay,
fire clay, stoneware clay, earthenware clay
What is the chemical formula for kaolin clay? correct answers Al2Si2O5(OH)4 or Al2O3 ⋅
2SiO2 ⋅ 2H2O
What is the chemical formula for fire clay? correct answers SiO2 ⋅ Al2O3
Silica and alumina
What the chemical formula for stoneware clay? correct answers Na2O, K2O, CaO,
SiO2 ⋅ Al2O3
What is clay a mixture of? correct answers Silicates
What are the particle sizes for clay? correct answers < 2 micrometers
What percent of the earth's crust consists of silicates? correct answers 95%
What type of silicates is the earth's crust mainly made of? correct answers Quartz and feldspar
60%
What are the steps for manufacturing traditional ceramics? correct answers Preparation of bulk
raw material
Forming (green compacts)
Drying/Machining