Effects of Electric Magnets on Welding: Exploring Magnetism in Weldments

  • Thread starter Kgaul
  • Start date
Therefore, molten metal does not exhibit magnetic properties. In summary, an electric magnet does not have a significant effect on welding as the high temperatures involved destroy any magnetism in the material. This is because magnetism is a function of the crystaline structure of metals, and in liquid form, there are no crystals present.
  • #1
Kgaul
[SOLVED] Odd question

Forgive me, i don't know a lot about Physics...

What effect does an Elect. Magnet have on a Weldment...

IE., Does molten metal contain magnetic propertes...

See I'm wondering about the effects of Electric magnets on Welding. would a magnet produce an alligned weld... Aside from Arc Blow...

Kgaul
 
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  • #2
Probably not, no. Iron is an example of a ferromagnet. These loose their magnetism when heated above the Curie Temperature. This is typically lower than the melting point. So an arcwelder will destroy any magnetism in the material.
 
  • #3
Magnetism is a function of the crystaline structure of metals.

In liquid form, there are no crystals.
 

1. What is the purpose of studying the effects of electric magnets on welding?

The purpose of studying the effects of electric magnets on welding is to better understand the role of magnetism in the welding process. This can help improve welding techniques and ensure the quality and integrity of welded structures.

2. How do electric magnets affect the welding process?

Electric magnets can affect the welding process in several ways. They can manipulate the flow of electric current and heat, alter the shape and position of the molten weld pool, and influence the microstructure and mechanical properties of the weld metal.

3. What types of welding are most affected by electric magnets?

Electric magnets can impact all types of welding, but they have a particularly significant effect on arc welding processes such as shielded metal arc welding (SMAW), gas metal arc welding (GMAW), and gas tungsten arc welding (GTAW).

4. How can the effects of electric magnets on welding be controlled?

The effects of electric magnets on welding can be controlled by adjusting the strength and orientation of the magnetic field, as well as the distance between the magnet and the welding area. Additionally, using non-magnetic materials and avoiding magnetic fields in the surrounding environment can also help mitigate their impact.

5. What are the potential benefits of using electric magnets in welding?

The use of electric magnets in welding can offer several potential benefits, such as improved control over the welding process, increased efficiency and productivity, and enhanced weld quality and integrity. They can also help reduce welding defects, such as porosity and cracking, and facilitate welding in challenging environments, such as in space or underwater.

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