There are several methods for joining metal to metal using heat:
Brazing and soldering are used to join two pieces of metal without melting them, by melting a different metal with a lower melting point, and letting it flow between the pieces as a joint. (Brazing is generally done at a higher temperature than soldering.) A person who does this could be called a solderer or a brazer, (but this is not a common term).
Welding is used to join two pieces of metal by melting them at the join and sometimes an additional filler piece is added. A person who does this is called a welder.
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aluminum and copper
its a plumber
A person who works on an anvil is typically called a blacksmith. Blacksmiths forge and shape metal using heat and tools, often creating items like horseshoes, tools, and decorative pieces. The anvil serves as a sturdy surface on which the blacksmith hammers and molds the heated metal.
post heating : after completion of weld is not cool below to preheat or room temp. further it is heat by applying addition heating system to certain period of time and temperature to evalute hydrogen from weld metal.
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A person who digs for metal ore in the ground is typically called a miner.
When heating metal, its volume typically expands due to thermal expansion, which causes the atoms in the metal to vibrate more and spread out. The mass of the metal will not change during heating unless there is a chemical reaction taking place, such as oxidation.
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Steel iron copper alimunium are used for heating
Heating metal can cause it to expand, increasing its volume and potentially altering its shape and strength. Cooling metal can cause it to contract, reducing its volume and potentially making it more brittle. Rapid heating or cooling can also lead to thermal stress and distortions in the metal.
Heating carbon with metal compounds can help extract the metal because carbon can act as a reducing agent. During the heating process, carbon reacts with the metal compound, and the carbon removes oxygen from the metal compound, leaving behind the pure metal. This process is known as a reduction reaction.
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Mercury oxide.
Heating a metal makes it easier to shape because it increases the metal's ductility and reduces its hardness. This allows the metal atoms to move more freely and rearrange their positions, making it easier to deform the metal without it breaking.
Heating a metal in a crucible can cause the metal to react with the surrounding gases. thus, when weighing the metal after heating, the mass increases because of the addition of the gaseous elements
No. Potassium metal is to reactive and expensive for everyday use.