Friction welding temperature measurement and process control sys

Details Friction welding temperature measurement and process control sys Friction welding temperature measurement and process control sys

1991-06-20

1992-10-20

Seidel, Richard K.

Metal fusion bonding

Including means to provide heat by friction between...

228 9, 228102, 228112, B23K 2012, B23K 2026

Patent

active

051563169

ABSTRACT:
In order to determine the temperature of a weld produced by a friction welding process, an electrical signal having a low voltage and a low current is passed through the weld. The weld acts as a resistor due to its high temperature as compared to the surrounding material such that the current in the electrical signal changes after its interacts with the weld. The change in current can be measured and the temperature of the weld can be determined.

REFERENCES:
patent: 4441248 (1984-04-01), Sherman et al.
patent: 4555052 (1985-11-01), Kurtz et al.
patent: 4596917 (1986-06-01), Nied et al.
patent: 4705204 (1987-11-01), Hirota et al.
patent: 4721947 (1988-01-01), Brown
Metals Handbook 9th Ed vol. 6, "Special Welding Processes" p. 728.

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