Non-Ferrous Metals Flashcards

0
Q

Copper is now made from what?

A

Low Grade sulfide and oxide ores refined to remove impurities such as arsenic and sulfer

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1
Q

Copper was historically found in what?

A

Rocks

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2
Q

Pure copper has a purity percent of…

A

99.88%

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3
Q

Pure copper is used in what industries?

A

Plumbing and electrical

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4
Q

True or false: Copper is not malleable

A

False.

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5
Q

Name some characteristics of copp

A
Malleable
Redish color
Good Electrical conductor
Easily cast
Corrosive resistant
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6
Q

Brass is copper with what element added to it?

A

Zinc.

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7
Q

Name some non-ferrous metals

A
Gold
Silver
Copper
Brass
Bronze
Magnesium
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8
Q

What ore is aluminum made from?

A

bauxite

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9
Q

What metal is the most abundant in the earths crust?

A

Aluminum

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10
Q

Aluminum was first discovered under what conditions

A

Laboratory conditions

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11
Q

What year was aluminum discovered?

A

1825

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12
Q

What two metals are lighter than aluminum?

A

Berylium and magnesium

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13
Q

What happens to aluminum in sub zero conditions?

A

It’s strength is increased while maintaining its ductility

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14
Q

Aluminum protects itself from corrosion by doing what?

A

Forms its own oxide coating

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15
Q

Does aluminum spark when ground?

A

No

16
Q

Many aluminum alloys start to lose their strength at what temperature?

A

500 degrees Fahrenheit

17
Q

What is the density of aluminum?

A

2700kg per meter cubed

18
Q

What is the density of Steel?

A

7800 kg per meter cubed.

19
Q

What is the melting point of aluminum?

A

660F