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3D design A level > 1.2 metals > Flashcards

1.2 metals Flashcards

1
Q

What are the 2 methods of metal extraction

A

Added chemicals and electricity and crushing and heating

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1
Q

What are the 5 ferrous metals

A

Cast iron, low/med/high carbon steel, HSS, DS, SS

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2
Q

What is the -ve property of cast iron

A

hard but potentially brittle

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3
Q

What is the -ve properties of Low carbon steel

A

Poor corrosion resistance and lack hardness and stiffness

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4
Q

What is the adv of a higher carbon steel

A

More hard and stiff

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5
Q

What are the adv of a lower carbon steel

A

Cheaper and strong, tough, ductile, malleable

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6
Q

What is the adv of HSS/DS

A

Harder at high temps

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7
Q

What is the adv of stainless steel

A

Corrosion resistant

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8
Q

What are the 3 alloy steels

A

HSS, DS and stainless steel

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9
Q

What is the disadv of alloy steels

A

Expensive elements such as chromium, tungsten and nickel

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10
Q

What are the 3 non ferrous alloys

A

Pewter, brass and bronze, aluminium alloys

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11
Q

What are the 7 non ferrous metals

A

gold, silver, zinc, tin, titanium, copper, aluminium

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12
Q

What are the adv of pewter

A

low melt point for casting

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13
Q

What are the adv of brass and bronze

A

harder than the main element

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14
Q

What are the adv and disadv of al alloys

A

harder and stronger than the main element however can corrode

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15
Q

What are the adv and disadv of gold and silver

A

excellent conductivity and non reactive however weak and expensive

16
Q

What are the adv of zinc and tin

A

used to coat steel

17
Q

What are the 4 advs of titanium

A

hard and strong and lightweight and high meting point

18
Q

What are the 5 advs of copper

A

ductile, malleable, easily jointed, good conductor, anti bac properties

19
Q

What are the 4 advs of aluminium

A

lightweight, ductile, malleable, good conductor

20
Q

What are the 3 stock forms

A

Bars, structural, tubes

21
Q

What are plate sizes

A

thicker than 3mm

22
Q

What are sheet sizes

A

less than 1mm up to 3mm

3D design A level (27 decks)

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