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Questions and Answers
What is true about metal alloys?
What is true about metal alloys?
- They are composed of one or more metals or non-metals in small amounts. (correct)
- They can only contain metallic elements.
- They have no impact on thermal or electrical conductivity.
- They are always transparent to visible light.
Which of the following metals is classified as a nonferrous alloy?
Which of the following metals is classified as a nonferrous alloy?
- Steel
- Cast Iron
- Aluminum (correct)
- Titanium (correct)
Which property is NOT associated with metal alloys?
Which property is NOT associated with metal alloys?
- High strength
- Resistance to fracture
- High ductility
- Low density (correct)
How can the properties of metal alloys be modified?
How can the properties of metal alloys be modified?
What fabrication technique is commonly used with metal alloys?
What fabrication technique is commonly used with metal alloys?
What characterizes an alloy?
What characterizes an alloy?
Which of the following properties is commonly associated with metal alloys?
Which of the following properties is commonly associated with metal alloys?
How are metal alloys primarily categorized?
How are metal alloys primarily categorized?
Which of the following is an example of a ferrous metal?
Which of the following is an example of a ferrous metal?
What is a common application of metal alloys?
What is a common application of metal alloys?
What effect does quenching generally have on metal alloys?
What effect does quenching generally have on metal alloys?
How can properties of metal alloys be altered?
How can properties of metal alloys be altered?
What is NOT a property of metal alloys?
What is NOT a property of metal alloys?
Which of these materials is classified as nonferrous?
Which of these materials is classified as nonferrous?
What type of bonding is present in metal alloys?
What type of bonding is present in metal alloys?
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Study Notes
Metal Alloys
- Metal alloys are composed of metals with additions of other metals or non-metals.
Properties of Metal Alloys
- Good conductors of heat and electricity
- High strength
- High stiffness
- High ductility
- High density
- Not transparent to visible light
- Resistance to fracture
Taxonomy of Metals
- Metal alloys are categorized as ferrous and nonferrous alloys.
- Ferrous alloys include steel, cast iron and steel.
- Non-ferrous alloys include copper, aluminum, titanium, magnesium, and zinc.
Metal Alloys Overview
- Metal alloys are metals containing small amounts of other metals or non-metals.
- They are classified as ferrous or nonferrous.
- Ferrous alloys include steels and cast irons.
- Nonferrous alloys include copper, aluminum, magnesium, titanium, and others.
Metal Alloy Properties
- Metal alloys possess properties like high strength, high stiffness, high ductility, good heat and electrical conductivity, and high density.
- These alloys are not transparent to visible light and display resistance to fracture.
Examples of Metal Alloy Applications
- Steel and cast iron are used in car body panels and engine components.
- Aluminum is used in cups and containers.
- Copper is used for electrical wires.
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