Induction Heating Plasma

About Induction Heating Plasma

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Plasma is characterized as an electrically neutral medium of unbound positive and negative particles, with an overall charge of roughly zero. Like a gas, plasma has no defined shape unless enclosed in a container. To generate plasma, we apply an electrical field to a gas, with the goal of removing electrons from their orbit around the nuclei. This creates a mix of ions and free-flowing electrons, which give the plasma key properties, including its electrical conductivity, a magnetic field, and sensitivity to external electromagnetic fields.

A key requirement for producing and sustaining plasma, is continued energy input. Induction is an ideal means of providing that continuous energy input for plasma generation. Some typical industrial applications for plasma include:

• Plasma welding
• Metal cutting
• Surface treatments (plasma spray coating)
• Etching in micro-electronics

To generate plasma, we apply an electrical field to a gas, with the goal of removing electrons from their orbit around the nuclei. These free-flowing electrons give the plasma key properties, including its electrical conductivity, a magnetic field, and sensitivity to external electromagnetic induction heating fields.

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