External inductor for magnetic-pulse welding and forming

Electric heating – Inductive heating – Specific inductor configuration

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219603, 219617, 336 84C, H05B 636

Patent

active

061370940

ABSTRACT:
An external inductor for magnetic pulse welding and forming includes an outer steel frame and an inner beryllium-bronze alloy insert which is removably mounted within the frame. The steel frame and the beryllium bronze insert respectively split the responsibility for higher mechanical strength and more concentrated pulse current on the inner surface of inductor's central opening. The improved external inductor design is capable of creating greater impulse forces onto the outer workpiece and has been demonstrated to perform at least 25-30% more deformation than a simple one piece simple steel external inductor for a full metallurgical joint.

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