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A-level Product Design > Soldering, Brazing and Welding > Flashcards

Soldering, Brazing and Welding Flashcards

1
Q

Does soldering involve heat?

A

Yes

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2
Q

What is soldering commonly used for? (2)

A

Electrical connections and circuit boards

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3
Q

What is soldering?

A

Soldering is joining two or more metal components together using a metal filler material into the joint.

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4
Q

What are the three types of soldering?

A

Hard, soft and silver

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5
Q

In soft soldering, what materials do you use to join metals?

A

Lead alloys

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6
Q

What is the most common heat source in soldering?

A

Electric soldering Iron

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7
Q

What two materials require special solders if they are to be used in This process?

A

Cast Iron and aluminium

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8
Q

What non ferrous metals can soldering be used for? (3)

A

Tin, lead, copper

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9
Q

Which alloy can soldering be used for? (1)

A

Brass

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10
Q

What ferrous metals can soldering be used for? (1)

A

Steel

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11
Q

Gap fill - soft soldering
The process is best confined to _____ fabrication where joints not subjected to ____ and vibration and so do not need to be very ______

A

Light, heat, strong

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12
Q

What is the difference between hard soldering/brazing and soft soldering?

A

Hard soldering requires a higher temperature

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13
Q

What is silver soldering primarily used for? (2)

A

Silver fro jewellery making and silversmiths

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14
Q

True or false

Silver soldering can be used to join together gold.

A

True

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15
Q

What other materials can silver soldering be used for? (3)

A

Brass, copper, steel

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16
Q

Gap fill - what is silver soldering
Silver soldering is the process of permanently _______ two pieces of metal together using ____ to melt pieces of ______ solder, which ____ to fill a prepared joint.

A

joining, Heat, silver, melt

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17
Q

Why is silver soldering used by jewellers?

A

to protect the precious metal

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18
Q

Why is silver soldering used by machinists and technicians?

A

High tensile strength

19
Q

Why is soft soldering unsuitable for mechanical load-bearing applications?

A

Because the joint would not be strong enough

20
Q

How might the low temperature in soft soldering be a disadvantage?

A

The solder could melt under high temperatures

21
Q

Which process requires the highest temperature?

Soft soldering, silver soldering or Brazing

A

Brazing

22
Q

Why is Brazing commonly used with cast Iron?

A

It has a very high melting point

23
Q

True or false

Silver soldering can be completed with a soldering Iron

A

False - only soft soldering can be done with a soldering Iron

24
Q

What temperature is used as a demarcation between soldering and brazing?

A

450 degrees

25
Q

What are the three types of bonding involving heat? (3)

A

Soldering, Brazing, welding

26
Q

When would you use Brazing?

A

When the melting point of the solder is above 450 degrees

27
Q

What is the main disadvantage of brazing in comparison to welding?

A

The joints from welding are much stronger

28
Q

What is the key difference between welding and brazing?

A

Welding involves melting the base material

29
Q

What are the 3 types of welding?

A

MIG, TIG, ARC

30
Q

What is the most common type of welding?

A

ARC

31
Q

True or false?

In welding, the two pieces have to be the same material

A

True

32
Q

Finish the sentence

Filler materials can be used in welding as long as…

A

They are the same material as the pieces being joined

33
Q

Gap fill - ARC welding
Arc welding is the process of _______ two metal workpieces together using a ____ covered electrode which is melted in an electric ___ and becomes a fused part of the pieces being welded.

A

Joining, flux, ARC

34
Q

What does TIG stand for?

A

Tungsten-inner-gas welding

35
Q

What does MIG stand for?

A

Metal-inert gas welding

36
Q

True or false

MIG welding is more precise than ARC welding

A

True

37
Q

Gap fill - TIG welding
The TIG process uses the heat generated by an ________ arc between the metals to be joined and an infusible ________ electrode, located in the welding torch. The arc area is shrouded in an _____ or reducing gas shield to protect the weld pool and the tungsten electrode.

A

Electric, tungsten, inert,

38
Q

What is MIG welding good for?

A

Good for joining thin pieces of metal

39
Q

What is TIG welding good for?

A

High weld quality

40
Q

True or false

TIG welding is cheap

A

False, it has a high weld cost

41
Q

Is TIG welding time consuming?

A

Yes, it Is a difficult and time-consuming welding process.

42
Q

Why is TIG welding not very applicable in a school environment?

A

it requires a highly skilled operator

43
Q

What are three applications of TIG welding?

A

aerospace welding, vehicle/motorcycle and bike manufacturing

44
Q

What is Brazing?

A

Brazing is where 2 pieces of metal are joined together by melting a DIFFERENT type of metal to form a joint

A-level Product Design (24 decks)

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