Alloying Flashcards

1
Q

Pure metals are at it’s highest

A

Metling point

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2
Q

Lattice structure

A

Displaces atoms and this affects size

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3
Q

Atomic number is proportional to

A

Smaller intestiational bigger substitutionall

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4
Q

Larger grain size has higher

A

Ductility

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5
Q

Lower grain size has higher

A

Strength

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6
Q

Ores are an example

A

Compounds (oxides and sulfides)

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7
Q

4 main methods of mining

A

Surface(open pit), placer( separating from mineral s in sand or gravelfrom sand ,underground, in-situ inside to get purest form)

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8
Q

Go to deeper deposit. Most expensive

A

Underground

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9
Q

Used to sift out valuable metals. Sediments. Beach snads

A

Placer

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10
Q

Dissolves the ore resource in place. Pumps the liquid to surface. Primarily for uranium

A

In situ

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11
Q

Earthly impurities found in rock with ores

A

Gangue

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12
Q

Ores is cleaned to get the fewest impurities

A

Concentration

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13
Q

Putting sulphide away with water. Ore is purified at bottom

A

Froth separation/ flotation

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14
Q

Magnetic separation

A
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15
Q

Most effective after crushing stands fir

A

TNT( tri nitro toluene)

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16
Q

involves stacking of metal-bearing ore into a heap on an impermeable pad, irrigating the ore for an extended period of time with a chemical solution to dissolve the sought-after metals, and collecting the blank as it percolates from the base of the heap.

A

Bayer’s procces( leaching)

17
Q

Interstial alloy

A

when a metal usuaaly of a smaller aotmic number moves in between the larger atoms of the base metals.

18
Q

Substianial alloy

A

When a metal usually of a simialr atomic number repalces atoms in the base metal.

19
Q

Interstial alloys typically

A

due to the Different sized atoms the crystal lattice is much more rigid. therefore it tends to be less ductile, and less malleable. but also has increased hardness

20
Q

Four different concentrations methods

A

Froth separation, gravity, electromagnetic, and leaching

21
Q

Isolation of metals

A

Reduction by carbon, electrolysis, and other metals

22
Q

Purifaction of metals

A

Smelting, Calcination, Zone refining, Liquation, Distillation, Vapor phase refining,