Chap 7,8 & 9 polymers, ceramics and composites Flashcards
1
Q
Examples for thermoplastic material
A
polyethelene
2
Q
Example for thermosets
A
epoxy
3
Q
Glass transition temperature generally refers to
A
amorphous polymers
4
Q
polymers that soften when heated and they return to original strength and hardness when cooled and the process is reversible
A
thermoplastics
5
Q
Polymers that do not become soft on heating they never melt once set
A
thermosets
6
Q
Example for oxide ceramic
A
alumina
7
Q
Example for carbon based ceramic material
A
graphene
8
Q
Materials that contain at least 50% silica
A
Glass
9
Q
Stronger constituent of a composite is
A
reinforcement
10
Q
Example for natural composite
A
wood
