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Laser Enables Precision Arc Welding

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Kevin Robinson

Welding is big business. Approximately $2 billion and $600 million are spent annually on arc welding and laser welding equipment, respectively. Now researchers at Ohio State University have demonstrated a technique that could revolutionize the field by reducing the cost of precision industrial welding systems by 90 percent. The technique uses a laser to create a path of ionized molecules across which an arc prefers to jump. In arc welding, a high-amp current passes between two electrodes, creating a spark that melts metals together, but it is difficult to control the position of these...Read full article

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    Published: October 2001
    Basic ScienceindustrialResearch & TechnologyTech Pulse

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