Material Types
Name the 4 types of engineering materials.
Metals, Polymers, Ceramics, and Composites
What are polymers made out of?
Monomers
What type of engineering material is also known as "plastic"?
Polymer
I pull into my cement driveway and park the car. What type of engineering material is my car parked on top of?
A cement driveway - cement is a type of ceramic
When you combine two or more forms of metals, polymers, or ceramics, you create a...
Composite
What is the hardest, most durable type of engineering material?
Ceramics
Refractories are a type of which engineering material?
Ceramics
What is an alloy?
A combination of two or more metals.
What is one type of iron alloy?
Steel or Cast-Iron
What are the two structural properties of metals?
Crystalline (rigid)
Inorganic (not alive)
I heat up my porcelain plate with food in the microwave. What type of engineering material is my plate?
Ceramic
Why are alloys often preferred over pure metals?
They are more durable and resistant to corrosion.
A plastic trash bag is used to bag groceries. Which engineering material is utilized to make the bag?
Polymers
What are the properties of a thermoset?
What are the properties of thermoplastic?
A thermoset solidifies into a permanent shape when heat is applied.
A thermoplastic melts when heat is applied, and solidifies when it's cooled down.
A rock hits your car windshield What type of engineering material is the car hitting?
It's hitting glass, which is a type of ceramic.
I put on my shirt for the day. What engineering material is incorporated in my shirt?
Polymers (plastics) are often used in clothes and fabrics.