If the volume fraction of glass fibers is .75, what is the volume fraction of the matrix?
What is 0.25 or 25 %
100
The main types of bonding found in ceramics is this type.
What is Ionic and covalent bonding.
100
A cheap clear plastic used for CD cases and plastic eating utensils.
What is polystyrene?
100
The term that describes the process in which microbes digest plastic resulting in carbon dioxide, water and biomass production.
What is biodegradability.
100
Optical clarity can be controlled by controlling this polymer feature?
What is crystallinity?
200
The component that serves to provide the bulk form (shape) of a composite is known as this.
What is the matrix or primary phase
200
Clay based ceramics are in this state before being fired
What is green state.
200
This is an engineering semi-crystalline plastics that is effectively glass reinforced for use in firearms and automotive components. It also is susceptible to water absorption.
What is nylon?
200
High temperatures and moisture can be a problem for this green plastic made from corn.
What is thermoplastic starch OR PLA.
200
The name of the property for the tendency of polymers to continue to stretch over time when a load is applied.
What is creep?
300
Cutting tools are often this type of composite.
What is a Metal Matrix Composite?
300
What type of glass is used for blown glass where the coefficient of thermal expansion is not as critical as with other glass working?
What is soda lime glass.
300
This plastic is one of the toughest, optically clear plastics used for items such as protective visors and bulletproof glass.
What is a polycarbonate?
300
This green plastic is made by bacteria.
What is PHA
300
The name of the property that indicates the polymer properties can vary depending on the direction of the applied load, this is especially true with composites.
What is anisotropy?
400
Concrete is the most widely used composite material. What are the three main components of concrete?
What are water, aggregate and cement?
400
This process puts the surface layer of glass into compression to make it stronger.
What is tempering.
400
This inexpensive plastic is widely used because of the variety of properties that can be achieved through plasticization.
What is PVC?
400
In the "Plant Bottle", this plastic is made using biobased monomers.
What is PET.
400
What are the three components for environmental stress cracking to occur?
What are the specific plastic, with a specific chemical and some stress.
500
The three most common thermoset resins used for PMC.
What are epoxies, polyesters and phenolic?
500
The name of the process where glass is formed from clay and feldspar in between SiO2 particles.
What is vitrification.
500
The type of polymer should you select if your part needs low shrinkage and low warpage.
An amorphous polymer.
500
These consitions are required for compostable plastics to biodegrade.
What is high temperature, adequate moisture &oxygen and high microbial activity.
500
The term that describes the reaction of polymers to stress as being both fluid like and solid like.