Soldering

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The joining of materials SolderingWhat is soldering? Soldering is the

process of making a strong and sound electrical and mechanical

The joining of materials

Soldering

What is soldering? Soldering is the process of making a strong and

sound electrical and mechanical joint between metals by joining them

with a soft solder. What is solder?

Solder is an alloy of tin and lead with alloy melting point. The

joint is heated by using a solder iron. Its main uses are for:

electrical connections in a circuit

Joins between pipes

Joins in plumbing

Brazing

This process is exactly the same as in soldering, but the difference

is that brass is used as the solder as a pose to tin.

Why is brass used?

Brass is used because it has a much higher melting point than tin, so

the temperatures which are involved are much higher. In the method of

brazing the flux is not melted by electrical heating because of the

high temperatures.

Welding

What is welding?

Welding is the process by which two metals are melted and joined

together. Once they cool they become one piece of metal. A filler

metal is common in welding. Welding is difficult to master. Although

it costs a lot more than riveting, it is a lot better. The

temperatures in welding are very high. They can be made by either

using an oxy-acetylene flame or an electric arc. Flux is required for

arc welding ,but is not needed for oxy-acetylene welding, as the

coating of the electrode provides the flux.

Crimping:

What is crimping?

Crimping is where metals are squashed together. There are many

specialist tools which are available. In order to make better contact

multi stand wire is often crimped at the end. The advantage of this

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