Podcast
Questions and Answers
Which property of metals refers to resistance to penetration by other materials?
Which property of metals refers to resistance to penetration by other materials?
- Ductility
- Malleability
- Brittleness
- Hardness (correct)
What property allows a metal to be bent, rolled, or changed in shape without breaking?
What property allows a metal to be bent, rolled, or changed in shape without breaking?
- Hardness
- Brittleness
- Ductility (correct)
- Malleability
Which metal exhibits poor hardenability, leading to hardening only on the surface?
Which metal exhibits poor hardenability, leading to hardening only on the surface?
- Gray cast iron (correct)
- Aluminum
- Soft steel
- Copper
Which process can increase or decrease the hardness of a metal by treating it differently?
Which process can increase or decrease the hardness of a metal by treating it differently?
Which metal is described as much harder than lead or pure aluminum?
Which metal is described as much harder than lead or pure aluminum?
What characteristic of a metal is defined as the resistance of a metal to deformation?
What characteristic of a metal is defined as the resistance of a metal to deformation?
Which metal property is enhanced by the special heat treatment known as tempering?
Which metal property is enhanced by the special heat treatment known as tempering?
What does the term 'ferrous' refer to in the context of metals?
What does the term 'ferrous' refer to in the context of metals?
Which property of metals enables them to join easily with another liquid metal when in a liquid state?
Which property of metals enables them to join easily with another liquid metal when in a liquid state?
What is the characteristic that causes a metal to fracture under a repeated load well below its tensile strength?
What is the characteristic that causes a metal to fracture under a repeated load well below its tensile strength?
Study Notes
Metal Properties
- The property of metals that refers to resistance to penetration by other materials is hardness.
- The property that allows a metal to be bent, rolled, or changed in shape without breaking is ductility.
Hardenability
- Copper exhibits poor hardenability, leading to hardening only on the surface.
Heat Treatment
- The process that can increase or decrease the hardness of a metal by treating it differently is heat treatment.
Metal Characteristics
- Steel is much harder than lead or pure aluminum.
Strength and Deformation
- The characteristic of a metal that is defined as the resistance to deformation is strength.
Tempering
- The metal property that is enhanced by the special heat treatment known as tempering is hardness.
Ferrous Metals
- The term 'ferrous' refers to metals that contain iron in the context of metals.
Fluidity
- The property of metals that enables them to join easily with another liquid metal when in a liquid state is fluidity.
Fatigue
- The characteristic that causes a metal to fracture under a repeated load well below its tensile strength is fatigue.
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Description
Test your knowledge on the chemical, physical, and mechanical properties of metals. Learn about characteristics related to chemical composition, reactions, color, density, weight, conductivity, and mechanical behavior like hardness.