EGR Materials 9/12

Question 1

What is a Cermaic

Answer 1

It is a material that both metallics and nonmetallic elements

Question 2

Crystalline Compounds

Answer 2

Materials that are packed together in a pattern.

Question 3

Amorphous Compounds

Answer 3

This material is often randomly packed and usually see through.

Question 4

Composite

Answer 4

Has two or more materials
Combined to give new properties
Have to able to separate and still keep its identity

Question 5

Fiber Composites

Answer 5

Contain 2 materials. A reinforcement and and a resin/matrix which is used as adhesive

Question 6

Fiberglass

Answer 6

Is usually white, silver, translucent, or grey. It is the least expensive

Question 7

Graphite

Answer 7

Graphite or Carbon fiber is black, charcoal, or dark grey. It is usually 95% carbon, dull, and is the most expensive.

Question 8

Kevlar

Answer 8

It is yellow, tough, and hard to cut. It is used to make bullet proof armor. It is in the middle for price

Question 9

Resin

Answer 9

Also known as Matrix. It is a liquid added to the reinforcement for adhesive and to make things rigid. It is like the G word (Glue)