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1-Product design AS > Metals > Flashcards

Metals Flashcards

1
Q

How can metal products be made to make the metal recyclable?

A

By using non-permanent fittings and by labeling.

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2
Q

Manufacturers need to be ______ about how much metal they use.

A

Careful and socially responsible.

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3
Q

How is metal extracted from ore?

A

The ore is smelted.

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4
Q

How is metal turned into its stock form?

A

After it has been extracted it will be put through a primary process where it is extruded into stock form.

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5
Q

What is cast iron?

A
  • Composed of iron and 3% carbon

- Ferrous metal

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6
Q

What are some properties of cast iron?

A
  • Brittle

- Strong against compression

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7
Q

What are some uses of cast iron?

A
  • Brake disks
  • Fire places
  • Some machine parts
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8
Q

What is Mild steel?

A

-Composed of iron and 0.15-0.25% of carbon

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9
Q

What are some properties of mild steel?

A
  • Malleable
  • Tough
  • Ductile
  • Good in tension
  • Corrodes easily
  • melts at 1600 degrees
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10
Q

What are some uses of mild steel?

A
  • Car body panels
  • Structural beams
  • nuts and bolts
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11
Q

What is High carbon steel?

A

-Iron and 0.7-1.5% of carbon

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12
Q

What are some properties of high carbon steel?

A
  • Very hard
  • difficult to cut
  • not very malleable
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13
Q

What are some uses of high carbon steel?

A
  • Hammers
  • Chisels
  • Screw drivers
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14
Q

What is the most common non-ferrous metal?

A

Aluminium

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15
Q

What is Aluminium?

A

-A pure metal

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16
Q

What are some properties of aluminium?

A
  • Malleable
  • Soft
  • Ductile
  • Corrosion resistant
  • Difficult to join
  • Melts at 600 degrees
17
Q

What are some uses of aluminum?

A
  • Cans
  • Foil
  • Window frames
18
Q

What are some properties of zinc?

A

-Melts at 420 degrees

19
Q

What are some uses of zinc?

A
  • Corrosion proof coatings for mild steel (galvanized steel)

- Die-casting alloys

20
Q

What are some properties of copper?

A
  • Melts at 1083 degrees
  • Malleable
  • Good heat and electrical conductor
  • Corrosion resistant
  • Turns green as it oxidises
21
Q

What are some uses of copper?

A
  • Pipes
  • Wires
  • Central heating cylinders
22
Q

What are some properties of Tin?

A
  • Melts at 230 degrees
  • Ductile
  • Extremely resistant to corrosion
23
Q

What are some uses of tin?

A
  • Coatings for cans

- Alloyed to make solder

24
Q

What is brass made of?

A

60% copper and 40% zinc

25
Q

What are some properties of brass?

A
  • Corrosion resistant
  • Polishes well
  • Melts at 950-1000 degrees
26
Q

What are some uses of brass?

A
  • Ornaments
  • Plumbing fittings
  • Furniture hardware (door handles)
27
Q

What is stainless steel made of?

A

Carbon steel with 18% chromium, 8% nickel and 8% magnesium.

28
Q

What are some properties of stainless steel?

A
  • Melts at 1400 degrees
  • Resistant to wear and tear
  • Durable
  • Tough
  • Hard
29
Q

What are some uses of stainless steel?

A
  • Kitchen utensils
  • sinks
  • surgical intruments
30
Q

What is High speed steel made of?

A

Medium carbon steel, tungsten, chromium and varadium.

31
Q

What are some properties of high speed steel?

A
  • Very hard
  • Melts at 1400 degrees
  • Brittle
  • Extremely durable
32
Q

What are some uses of high speed steel?

A
  • Drill bits

- Cutting tools

33
Q

What is pewter made of?

A

80% of tin and 20% of lead (not anymore)

34
Q

What are some properties of pewter?

A
  • Malleable
  • Melts at 230 degrees
  • Easily cast
  • Polishes well
35
Q

What are some uses of pewter?

A
  • Jewelry
  • Decorative work
  • Tankards

1-Product design AS (3 decks)

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