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DT > Metals > Flashcards

Metals Flashcards

1
Q

What are ferrous metals

A

all contain iron ferrite and have high tensile strength and durability

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2
Q

Properties of cast iron

A

Hard but brittle. Resists deformation and rust.

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3
Q

Properties of low carbon/mild steel

A

Tough and ductile. Rusts easily if not protected

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4
Q

Properties of high carbon steel

A

Hard, but brittle. Hard wearing, resists abrasion and retains its shape

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5
Q

Uses of cast iron

A

Kitchen pans, machine bases, manhole covers

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6
Q

Uses of low carbon steel/mild steel

A

Car bodies, steel building frames, pipelines.

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7
Q

Uses of high carbon steel

A

Tools, blades, scissors

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8
Q

What are non ferrous metals

A

A group of pure metals and do not contain iron

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9
Q

Examples of non ferrous metals

A

Zinc, copper, tin, aluminium

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10
Q

Examples of ferrous metals

A

Cast iron, low carbon/mild steel, high carbon steel

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11
Q

Properties of zinc

A

brittle, yet malleable. High corrosion resistance

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12
Q

Properties of copper

A

Ductile and malleable. Good electrical conductor

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13
Q

Properties of tin

A

Malleable and ductile, high corrosin resistance. Good electrical conductor

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14
Q

Properties of aluminium

A

Lightweight, ductile, resists corrosion

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15
Q

Uses of zinc

A

To galvanise steel

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16
Q

Uses of copper

A

Plumbing supplies, electrical cables.

17
Q

Uses of tin

A

Solder, plating surfices such as cans

18
Q

Uses of aluminium

A

Bike frames, drink cans, takeaway trays.

19
Q

What are alloys

A

A mixture of at least one pure metal and another element. They are harder than pure metals as they contain atoms of different sizes.

20
Q

High speed steel composition

A

Chromium molybdenum, tungsten vanadium, cobalt carbon

21
Q

Properties of high speed steel

A

Can withstand high temperatures when machining at high speeds.

22
Q

Uses of high speed steel

A

Cutting tools such as drill bits, mill cutters, taps and dies.

23
Q

Stainless steel composition

A

Low carbon 0.03-0.08%
Chromium 10.5-26%

24
Q

Properties of stainless steel

A

Hard, ductile. Rust resistant. Chromium layer protects steel from corrosion

25
Q

Uses of stainless steel

A

Cutlery, kitchen and medical equipment

26
Q

Brass composition

A

Copper:65%
Zinc:35%

27
Q

Properties of brass

A

Malleable and easily cast. Good corrosion resistance.

28
Q

Uses of brass

A

Muscial instruments, plumbing fitments and ornate artefacts

DT (7 decks)

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