Material Classes
Making Composites
Benefits of Composites
Composites
100

This type of element is typically malleable, ductile, and a good conductor of electricity, often used in construction and electronics

What is a metal?

100

This component in a composite material binds the fibers or reinforcements together and transfers stress between them

What is a matrix?
100

When metal cord has a polymer core, this property of polymers is added to the strength of the metal cord (elevator support wire)

What is flexibility or elasticity?

100
The material we made in class today, consisting of paper and thinned glue

What is paper-mache?

200

This class of materials is known for its high heat resistance, brittleness, and use in pottery, tiles, and even advanced engineering applications

What is a ceramic?
200

The main determining factor in choosing the reinforcement phase of a composite, making sure it is flexible or rigid enough for the application

What are mechanical properties?

200

When a metal is coated in a ceramic this property is raised to help it continue to operate with integrity (air plane turbines)

What is heat resistance?

200

This common construction material is made from a mixture of cement, water, sand, and gravel, and hardens into a rock-like substance used for foundations and roadways

What is concrete?

300

This type of large molecule and material class is found in materials like plastic, rubber, and nylon

What is a polymer?

300

This term refers to the process in which a matrix phase hardens and strengthens, often with the application of heat or pressure

What is the curing process?

300

This property of certain metals is lost when coated with other metals for saftey purposes (medical implants)

What is toxicity?

300

This engineered wood product is made by gluing together thin layers of wood veneer, with the grain of each layer running perpendicular to the one before it.

What is plywood?
400

A type of composite material often used in aerospace applications with an atypical matrix phase

What is a CMC?

400

This phase in composite materials provides strength and stiffness by being embedded within the matrix, typically taking the form of fibers, particles, or whiskers

What is the reinforcement phase?

400

When polymers or composites are coated around a alternative polymer interior this property is increased to protect users (helmets)

What is shock absorbance?

400

The first composite material, woven wooden strips covered in wet soil, sand, animal dung or other sticky substances that dry

What is Wattle and Daub?

500

This type of material is made by combining two or more different substances, which remain distinct at the macroscopic level, to create a product with enhanced properties

What is a composite?

500

This process involves molding composite materials by placing layers of fiber reinforcement in a mold and applying heat and/or pressure to create the desired form

What is shaping?

500

This value is decreased when pure aluminum is alloyed with silicon and magnesium, making it lighter (bike frames)

What is density?

500

A material consisting of calcium apatite and collagen fibers, it provides both strength and flexibility to the human body.

What is bone?