High energy beam thermal processing of .alpha. zirconium...

Details High energy beam thermal processing of .alpha. zirconium... High energy beam thermal processing of .alpha. zirconium...

C - Chemistry, Metallurgy

22

F

148/28, 359/67,

C22F 1/18 (2006.01) C22F 3/00 (2006.01) G21C 3/06 (2006.01)

Patent

CA 1225572

29 48,331 ABSTRACT OF THE DISCLOSURE Described herein are alpha zirconium alloy fabrication methods and resultant products exhibiting improved high temperature, high pressure steam corrosion resistance. The process, according to one aspect of this invention, utilizes a high energy beam thermal treatment to provide a layer of beta treated microstructure on an alpha zirconium alloy intermediate product. The treated product is then alpha worked to final size. According to another aspect of the invention, high energy beam thermal treatment is used to produce an alpha annealed microstruc- ture in a Zircaloy alloy intermediate size or final size component. The resultant products are suitable for use in pressurized water and boiling water reactors.

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