Materials Science Quiz

What is an amorphous material?

• A material with high ductility

• A material with highly ordered atomic arrangement

• A material with no long-term order in the positions of the atoms

• A material with complete solid solubility

What is the movement of dislocations associated with in crystal structures?

• Elastic deformation

• Elastic limit

• Plastic deformation

• Elastic modulus

What is the measure of the degree of plastic deformation that can be sustained before the material fractures?

• Hardness

• Ductility

• Elastic limit

• Elastic deformation

What is the ratio of stress to strain during elastic deformation?

• Elastic modulus

• Growth

• Isotherm

• Equilibrium

What is the point on the phase diagram where liquid phase transforms isothermally to two solid solution phases?

• Mechanical behaviour

• Microstructure

• Liquidus

• Eutectic point

What is related to the material’s resistance to plastic deformation?

• Hardness

• Interstitial solid solution

• Elastic modulus

• Hypoeutectic

What is a solid solution where the solute atoms are located in the spaces between the host atoms?

• Interstitial solid solution

• Complete solid solubility

• Isotherm

• Amorphous material

What indicates the temperature where solidification would begin on cooling in a phase diagram?

• Liquidus

• Elastic deformation

• Elastic limit

• Elastic modulus

What is the stable state of a system for which the characteristics and properties do not change with time?

• Equilibrium

• Elastic limit

• Hardness

• Growth

What is a material property that describes the stiffness of a material?

• Elastic modulus

• Eutectic point

• Hypoeutectic

• Isotherm