Metal member quality improving method by spot welding

Details Metal member quality improving method by spot welding Metal member quality improving method by spot welding

1994-08-29

1996-02-27

Yee, Deborah

Metal treatment

Process of modifying or maintaining internal physical...

Producing or treating layered, bonded, welded, or...

148526, 148529, 148524, C21D 950

Patent

active

054945399

ABSTRACT:
By applying spot welding along a crack which has occurred in an austenitic stainless steel structure without use of welding material so that spot welds are connected, melting and solidifying of the crack can be achieved, thereby to provide a metal structure which is rich with delta ferrite of the austenitic stainless steel structure or prevent propagation of the crack by enclosing it into the interior of the austenitic stainless steel structure.

REFERENCES:
patent: 4247037 (1981-01-01), Tamai et al.
patent: 4562332 (1985-12-01), Walter et al.
patent: 5022936 (1991-06-01), Tsujimura et al.
patent: 5227124 (1993-07-01), Saito et al.

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