What is the crystal structure of ceramics? correct answers crystalline
What is the crystal structure of glasses? correct answers amorphous
Ceramics are typically formed between ____ and ____ elements. correct answers metallic and
non metallic
What is the group of hardest materials? correct answers ceramics
What is the process of creating ceramics called? correct answers sintering
What part of ceramics can you engineer? correct answers the density through the amount of
porosity
What is the behavior of ceramics on a stress-strain curve? correct answers lack of plastic
deformation (linear until fracture)
Ceramics are not good for handling tension, but are excellent for ______ correct answers
compression
What is the raw material used for making ceramics? correct answers powders
What material has the highest thermal conductivity of all materials? correct answers diamond
What material has the best electrical conductivity properties? correct answers graphite
What is the melting temperature of diamond? correct answers 3720-3910C
,What percentage of advanced ceramics are used in electronic/electrical applications? correct
answers 80%
What are the two categories of ceramics? correct answers traditional and advanced
What are the two categories of ceramics according to chemical composition? correct answers
silicate and non silicate
What is a silicate ceramic material comprised of? correct answers Si+O+metal
What are the three types of non-silicate ceramics? correct answers oxide, carbide and nitride
What are the types of oxides? correct answers Al2O3, ZrO2, MgO
What are the types of carbides? correct answers SiC, WC, B4C, TiC
What are the types of nitrides? correct answers Si3N4, CBN, TiN
Traditional ceramic articles are made of ____ correct answers clays
Clays are mainly a complex mixture of ____ correct answers silicates
What is the particle size of clays? correct answers less than 2 micrometers
How much of the Earth's crust consists of silicates? correct answers 95%
95% of the Earth's crust is ___ and ____ correct answers quartz and feldspar
, What is the manufacturing process for traditional ceramics? correct answers 1. preparation of
raw material
2. forming (green compact)
3. drying, machining
4. sintering
5. glazing (optional)
Grinding of raw materials for ceramics is done with what? correct answers a ball mill
_____ are produced after forming processes. correct answers Green compacts
Green compacts with higher density and more uniform compaction can be achieved by _____
correct answers pressing
Powder Injection Molding correct answers ceramic powder containing large amounts of organic
binder (NO WATER) can be injected into molds
What happens to the polymer binder used in injection molding of ceramics? correct answers it's
burned off in sintering
What are the four types of forming methods for forming traditional ceramics? correct answers
injection molding, slip casting, extrusion and pressing methods
What are the two types of powder pressing methods for traditional ceramics? correct answers
uniaxial pressing and cold isostatic pressing (CIP)
What is CIP? correct answers cold isostatic pressing