Accession Number : ADD012524

Title :   Plasma Spray Screen Repair Method.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Lewis,Wallace J

Report Date : 03 Jun 1986

Pagination or Media Count : 4

Abstract : This patent discloses a method in high temperature repair of damaged fuel cell screens comprising the steps of forming a mask, bathing the screen to be repaired in pure argon, masking the damage site with the mask, applying to the site selected repair material via plasma spray in several cycles each cycle interspersed with a cooling period, where a test wafer may be exposed on the surface of the mask for metering purposes.

Descriptors :   *PATENTS, *REPAIR, *FUEL CELLS, *SCREENS(WOVEN MATERIALS), CYCLES, HIGH TEMPERATURE, PLASMA SPRAYING, MATERIALS, DAMAGE, SITES, MASKING, ARGON, PURITY, WAFERS, BATHS, STAINLESS STEEL, PATENTS

Subject Categories : Electric Power Production and Distribution

Distribution Statement : APPROVED FOR PUBLIC RELEASE