Zirconium strip material and process for making same

Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal

Reexamination Certificate

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C148S421000, C148S672000

Reexamination Certificate

active

07927435

ABSTRACT:
Methods for producing zirconium strips that demonstrate improved formability are disclosed. The zirconium strips of the present disclosure have a purity and crystalline microstructure suitable for improved formability, for example, in the manufacture of certain articles such as panels for plate heat exchangers and high performance tower packing components. Other embodiments disclosed herein relate to formed substantially pure zirconium strip, articles of manufacture produced from the substantially pure zirconium strip, and methods for making the articles of manufacture.

REFERENCES:
patent: 5076488 (1991-12-01), Graham
patent: 7625453 (2009-12-01), Eucken
R. K. Shah and A.C. Mueller, “Heat Exchange”, Ullmann's Encylcopedia of Industrial Chemistry, online: Jun. 15, 2000, 10 pages total.
M.L. Picklesimer. “A preliminary examination of the formation and utilization of texture and anisotrophy in Zircaloy-2”, Castlewood Pleasanton, CA, Nov. 12-14, 1962.
R. Nielsen, “Zirconium and Zirconium Compounds”, Ullmann's Encyclopedia of Industrial Chemistry, online Jun. 15, 2000, 29 pages total.

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