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FINAL DESIGN > Metals > Flashcards

Metals Flashcards

1
Q

Ferrous?

A

Contains iron

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2
Q

Non ferrous

A

No iron

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3
Q

Examples of non ferrous

A

Aluminium
Copper

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4
Q

Examples of ferrous

A

Mild steel
Stainless steel
Cast iron
High carbon steels

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5
Q

Properties of aluminium

A

Lighetweight
Ductile
Corrosion resitance
Conducive
Low density
Well machined

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6
Q

Cons of aluminium

A

ENergy inetnsive process
Can be expenisve
Not as strong as steel

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7
Q

Pros of aluminium

A

Widely recyled
Low energy to recyle
Low weight

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8
Q

Compared to steel what is aluminiums stiffness and density

A

about a third of it

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9
Q

Uses of aluminium

A

Drink Cans
Aircraft bodies
Cooking shit
Foil

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10
Q

What si alumnium when as a raw material

A

relatively soft with low strength

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11
Q

Properties of copper

A

Ductile
Mallable
Conductive
Corrsive resiatnces

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12
Q

Uses of copper

A

Wiring
PCB circuits
Water pipes and tanks
Plumbing and heating

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13
Q

Properties of mild steel

A

Tough
Ductile
malleable
High tensile strenth

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14
Q

Cons of mild steel

A

Poor corrosive resitance
Cannot be hardened expect for case hardening

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15
Q

Uses of midl steel

A

General purpose engineering
Structural material
nuts
Bolts
Outer panels for white goods

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16
Q

What metal can be used in MIG and TIG

A

Alumnium

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17
Q

What metal can be used in brazing adn sodlering

A

copper

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18
Q

High carbon steel proeprties

A

High reistance to wear

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19
Q

Cons of high carbon steel

A

Brittle
Poor corrsive restance

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20
Q

Uses of high carbon steel

A

Hand and machien cutting tool s

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21
Q

Stainless steel properites

A

Tough
Hard
Corrosive reistances
Very durable
Simialr to mild steel
Ductile

22
Q

Uses of stainless steel

A

Kicthen shit
cutlery
surgical shit

23
Q

Cast iron proeprities

A

Cost effective
Heavy
Rigid
Good compression strength
Casts well
condctive
high melting point

24
Q

uses of cast iron

A

pans
machien parts
disc brakes

25
Q

use of zinc

A

protects other metals
galvanisign

26
Q

why is zinc used in galavansiign

A

does not corrode

27
Q

tin proeprties

A

soft
conducitve
malleabel
ductile
corrosive resit
anti contamination
low melting point

28
Q

uses of tin

A

sodlering

29
Q

proeprties of tungsten

A

very very tough
very dense
restiant to corrosion
high tensile strength
very durable
stupid high metling point

30
Q

what is tngsten in pure form

A

very soft

31
Q

what is one of the hardest forms of tungsten

A

tngsten carbide

32
Q

because fo tungstens strength when made in compounds what is it used for

A

high speed cuttign tools
tups for ciruclar saws
drill bits

33
Q

giv some emtal alloys

A

bronze
brass
tungsten carbide

34
Q

bronze proeprties

A

tough
corrosive retsance
can be cast
harder than copper
low friction coefficint
high fatigue restance

35
Q

uses of bronze

A

statues
coins
bearinings
electrical products

36
Q

what to always add on the end of a material

A

ALLOY

37
Q

proeprties of brass

A

corrosion restatnce
good thermal conductor
low metling point
elcrticla conducitve
cast well

38
Q

uses of brass

A

where low friction require
insrtuments

39
Q

why will most shit never be made of pure alimium

A

expensive
not sutiable for structrual shit
with other shit very good
very good rpoerties in alloy form

40
Q

ways to meausrue how metals are udner laods

A

strength
hardness
toughness
elastsicity
plastciity
brittlle
ductility
malleability

41
Q

3 tough metal

A

copper
iron
zinc

42
Q

3 low tough metal

A

zinc
aluminium
tin

43
Q

top 3 brittle materials

A

cast iron
hardned steel
bronze

44
Q

bottom 3 brittle materiasl

A

iron
copper
tin

45
Q

top 2ductile amtiasl

A

iron
copper

46
Q

bottom 3 ductile

A

tin
zinc
tungsten

47
Q

top 3 mallabel

A

alumnium
copper
tin

48
Q

bottom 3 mallable

A

lead
zinc
iron

49
Q

issues wirh sorucing metals

A

mined frome arth crust
envrio damage
lage waaste rock
high energy required
co and co2

50
Q

issues with osurcign aluminium

A

high energy
waste rock

FINAL DESIGN (43 decks)

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