18 Questions
Which type of material is characterized by high thermal and electrical conductivity?
Metals
What type of materials are used in alloy form to improve desired qualities?
Metals
Which type of material is typically characterized by very high strength under compression and low ductility?
Ceramics
What type of material decomposes at moderate temperatures (100 – 400°C) and is typically an electrical and thermal insulator?
Polymers
Which type of material is obtained by an artificial combination of different materials to attain properties that the individual components cannot attain?
Composite materials
Which type of material consists of molecules with covalent bonding within each molecule and van der Waals forces between them?
Polymers
What is the main composite material in reinforced cement concrete?
Cement
Which type of composites are classified based on their matrix materials?
Metal-matrix, Polymer-matrix, and Ceramic-matrix
What does compressive strength measure in a material?
How much it can be compressed before deforming
Which physical property measures how easily a material bends without permanently deforming?
Stiffness
Which materials are examples of very hard substances according to the text?
Diamond and Granite
In which class of composites would you find a ceramic-matrix composite?
Ceramic-matrix
What is the main focus of Materials Science?
The relationship between material properties and microstructure
Why is it essential for an engineer to understand materials science?
To select materials based on cost and performance
Which type of material is NOT commonly used in construction materials?
Semiconductors
What is a key benefit of using metal-matrix composites?
Improved mechanical properties
Which matrix material is commonly used in ceramic-matrix composites?
Silicon Carbide
What is a characteristic of polymer-matrix composites?
High chemical resistance
Test your knowledge on the characteristics and uses of metals and ceramics, including conductivity, deformability, opacity, and alloy formation. Learn about various examples like aluminum, steel, brass, and gold for metals, and oxides, carbides, nitrides, and silicates for ceramics.
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