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IE 206 > NON-FERROUS METALS > Flashcards

NON-FERROUS METALS Flashcards

1
Q

-metals that are not derived from iron ore

A

NON-FERROUS METALS

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2
Q

Easily cast, machined and formed.
Low density, non-toxic, high thermal conductivity

A

ALUMINUM

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3
Q

ALUMINUM WAS DISCOVERED BY

A

Hans Oersted (1825)

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4
Q

MEANING OF LATIN WORD ALUMEN

A

BITTER SALT

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5
Q

Hard, shiny and strong metal
Strong as steel but much less dense
Used in aircraft, spacecraft, missiles (low density, withstand extremes of temperature)
Power plant pipes uses titanium (resistance to corrosion and heat)
Surgical applications (connects to bone easily) (hip joints and tooth implants)
Paint pigment for UV protection, with excellent covering power

A

TITANIUM

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6
Q

alloying agent OF TITANIUM

A

aluminum, molybdenum and iron

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7
Q

DISCOVERED TITANIUM

A

William Gregor (1791)

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8
Q

TITANIUM IS DERIVED FROM

A

Titans, the sons of the Earth goddess of Greek mythology

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9
Q

Silvery-white metal, ignites easily in air, burns with bright light
Lightweight used in (car seats, luggage, laptops, cameras and power tools)
Used in fireworks and sparklers

A

MAGNESIUM

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10
Q

DISCOVERED MAGNESIUM

A

Joseph Black (1755)

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11
Q

MAGNESIUM IS DERIVED FROM WORD

A

Magnesia, district of Eastern Thessaly in Greece

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12
Q

Metal with very high thermal and electrical conductivity
Reddish-gold metal that is easily worked and drawn into wires because of its malleability and ductility
Used in coins along with silver and gold, gun metals, electrical wires and motor wirings

A

COPPER

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13
Q

used in agricultural poison and algicide in water purification

A

Copper sulfate

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14
Q

COPPER IS Derived from old English name ‘coper’

A

‘cyprium aes’ meaning metal from Cyprus

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15
Q

LOW MELTING TEMPERATURE ALLOYS

A

BEND ALLOY - WR 70, LENS ALLOY-WR47 & WR58, PRESS ALLOY-WR137

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16
Q

William Rowland
Extensively used alloys in industry due to its primary characteristics of expansion on solidification from molten state
70-degree Celsius melting point

A

BEND ALLOY - WR 70

17
Q

Bismuth-based fusible alloys
58 and 47 degrees is ideal temp for grinding of lenses

A

LENS ALLOY-WR47 & WR58

18
Q

added to LENS ALLOY TO have considerably lower melting point.

A

INDIUM

19
Q

It has greater hardness and tensile strength than other fusible alloys
Exhibits minimal expansion upon solidification from the molten state
Useful for holding machined parts where shrinkage or expansion may deform the finished part

A

PRESS ALLOY-WR137

20
Q

range of low temperature alloys based on tin, lead, bismuth that are suitable for the production of jewelry, models, figures, artwork, collectibles, ornaments and memorabilia

A

CASTING ALLOY

21
Q

CASTING ALLOY IS BASED IN THESE ELEMENTS

A

tin, lead, bismuth

IE 206 (3 decks)

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