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Metal alloy and metal alloy storage product for storing radioactive materials

  • US 7,034,197 B2
  • Filed: 01/29/2002
  • Issued: 04/25/2006
  • Est. Priority Date: 06/12/1998
  • Status: Expired due to Fees
First Claim
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1. A storage product for storing radioactive isotopes, the storage product including:

  • (a) at least one radioactive isotope;

    (b) a metal alloy including a chemically active metal fraction in an amount effective for chemically reducing organic feed materials, tungsten in an amount effective for producing a close-packed crystalline structure throughout the metal alloy upon solidification of the metal alloy from a molten state, and for each type of expected radioactive emission associated with a radioactive isotope in the storage product, at least one corresponding radiation absorbing metal, each corresponding radiation absorbing metal being capable of absorbing the respective type of expected radioactive emission; and

    (c) wherein the metal alloy is solidified from the molten state to form a storage ingot with each radioactive isotope, the tungsten, the chemically active metal fraction, and each radiation absorbing metal being substantially evenly distributed within the ingot.

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