METHOD TO CONTROL FRICTION WELDING PROCESS Russian patent published in 1994 - IPC

Abstract RU 2009818 C1

FIELD: friction welding. SUBSTANCE: method to control process pf friction welding of parts forming thermocouple made of materials featuring superplasticity comes to measuring thermoelectromotive force in process of rotation of one of parts to be welded and supplying control signal to welder circuit to stop rotation and start upsetting when value of thermoelectromotive force reaches value corresponding to lowest value of superplasticity temperature of welded-to parts. EFFECT: enlarged operating capabilities. 1 dwg

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RU 2 009 818 C1

Authors

Khazanov I.O.

Fomin N.I.

Dates

1994-03-30—Published

1991-09-16—Filed