What is Atomic Hydrogen Welding?
Atomic hydrogen welding (AHW) is a welding process that produces the coalescence of metals by heating them with an electric arc in an atmosphere of hydrogen.
What is atomic hydrogen welding used for?
The process was developed in the early 1920s and was used extensively in the 1950s and 1960s for welding steels, nickel alloys, and titanium.
What are the advantages of AHW?
The advantages of atomic hydrogen welding include:
- Low heat input.
- Narrow heat-affected zone.
- Minimal distortion.
- High deposition rates.
What are the disadvantages of atomic hydrogen welding?
The disadvantages of atomic hydrogen welding include:
- High capital cost.
- Difficult to control weld pool.
- Susceptible to porosity and cracking.
Which supply is used in atomic hydrogen welding?
The power source used for atomic hydrogen welding is an alternating current (AC) supply with a frequency of 50-60 Hz. The electrode is made of tungsten or thorium and the welding torch is cooled with water to prevent overheating.
What is hydrogen gas welding?
Hydrogen gas welding is a form of arc welding in which hydrogen gas is used as the arc-facing electrode. The process was developed in the early 1900s and was used extensively for welding steels and nickel alloys.
Langmuir atomic hydrogen welding
It is a type of welding in which the arc is between two tungsten electrodes in an atmosphere of hydrogen. The process was developed by Irving Langmuir in the early 1920s and was used extensively for welding steels and nickel alloys.
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