Worksheetsmatrices
Total questions: 5
Worksheet time: 50secs
What is the main role of a matrix in a composite material?
To increase the density of the material
To bind fibers together and transfer stress
To act as a reinforcement material
To reduce the overall cost of production
Which of the following is a characteristic of thermoset matrices?
They can be reheated and reshaped multiple times
They require heat or a catalyst to cure and cannot be remelted
They are always biodegradable
They have lower mechanical strength than thermoplastics
What is the key difference between thermoset and thermoplastic matrices?
Thermosets can be reshaped by heating, while thermoplastics cannot
Thermosets are soft at room temperature, while thermoplastics are rigid
Thermoplastics can be reheated and reshaped, while thermosets cannot
Thermosets have lower mechanical strength than thermoplastics
What is one advantage of bio-based matrices over petrochemical-based matrices?
They generate 68% more greenhouse gases
They require more energy to produce
They are completely renewable and environmentally friendly
They cannot be recycled
Which factor significantly affects the performance of an advanced biocomposite?
Fiber orientation
Electrical conductivity
Color of the matrix
Amount of air in the composite
