Nuclear reactor grid strip cantilever spring with nonuniform mat

Details Nuclear reactor grid strip cantilever spring with nonuniform mat Nuclear reactor grid strip cantilever spring with nonuniform mat

1992-11-06

1994-09-27

Oberleitner, Robert J.

Spring devices

Bendable along flat surface

Flexural support

267181, 376442, 376462, G21C 334

Patent

active

053501616

ABSTRACT:
A metal component (10) having non-uniform material characteristics which cause the component to undergo differential growth upon exposure to a neutron flux, and a process for producing such a component. The invention is useful for making metal components for use in nuclear reactors, particularly fuel assembly cantilever grid springs (12). By cold working a portion (40) of a cantilever spring on the convex side of the curved region of the spring, a spring can be provided which has a smaller reduction in preload upon exposure to radiation than a conventional cantilever spring.

REFERENCES:
patent: 2252823 (1941-08-01), Wallace
patent: 3000425 (1961-09-01), Hodges et al.
patent: 4678632 (1987-07-01), Ferrari
patent: 4695426 (1987-09-01), Nylund
patent: 4770847 (1988-09-01), Plaza-Meyer et al.
patent: 5024426 (1991-06-01), Busch et al.
patent: 5024810 (1991-06-01), Bachman

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