Intergranular stress corrosion cracking mitigation by rapid quen

Details Intergranular stress corrosion cracking mitigation by rapid quen Intergranular stress corrosion cracking mitigation by rapid quen

1993-03-19

1994-07-26

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Corrosion or damage prevention

148512, 148DIG93, G21C 2100, C21D 600

Patent

active

053331613

ABSTRACT:
This invention relates to a method to selectively mitigate intergranular stress corrosion cracking (IGSCC) by rapid quench melting through the use of a pulsed laser. Such methods of the type, generally, mitigate reactor pipe cracking by rapidly melting the sensitized material to redissolve chromium carbide and then rapidly cooling the sensitized material such that corrosion cracking can be avoided.

REFERENCES:
patent: 4239556 (1980-12-01), Cline et al.
patent: 4398966 (1983-08-01), Kelly et al.
patent: 5022936 (1991-06-01), Tsujimura et al.

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