1.1 Materials and their applications Flashcards
(33 cards)
What are the two principal categories of material properties?
Mechanical and physical.
What do mechanical properties relate to in materials?
Reaction to external force.
What are physical properties associated with in materials?
Material’s make-up or structure.
What is compressive strength?
Resistance to being crushed.
What does tensile strength refer to?
Resistance to stretching.
Define bending strength.
Resistance to bending forces.
What is shear strength?
Resistance to sliding forces.
What does torsional strength measure?
Resistance to twisting forces.
How is hardness defined?
Resistance to surface wear.
What is toughness in materials?
Ability to absorb impact.
What does plasticity refer to?
Ability to retain shape after deformation.
Define ductility.
Ability to be drawn into wire.
What is malleability?
What is malleability?
What does elasticity describe?
What does elasticity describe?
What does elasticity describe?
Allows electrical flow.
What is tensile strength?
Resistance to stretching.
How is toughness tested?
Impact absorption.
What indicates material hardness in abrasion tests?
Fewest scratches.
How is resistance to indentation measured?
Indent size.
What does malleability testing involve?
Bending without cracking
What does ductility testing assess?
Stretching without breaking.
What is the purpose of corrosion testing?
Assess environmental durability.
How is electrical conductivity tested?
Resistance measurement.
What measures thermal conductivity?
Heat transfer rate.