SYNTHESIS OF METAL HYDRIDES BY MECHANICAL ALLOYING IN AN ATTRITOR MILL: FY06 STATUS REPORT

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Hydridable metal alloys are used at the Savannah River Site to process tritium. The goal of this work was to develop a mechanical alloying process as a low-cost option to produce these alloys on-site. High-speed milling at elevated temperatures has the potential to significantly reduce the time and cost of the mechanical alloying process. It was demonstrated that elemental metal powders can be alloyed in an attritor mill under argon. In order to form LaNi{sub 4.25}Al{sub 0.75} from elemental metals it was found that lanthanum and nickel must be alloyed prior to adding aluminum. It was also demonstrated that metal ... continued below

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Fox, K November 30, 2006.

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Hydridable metal alloys are used at the Savannah River Site to process tritium. The goal of this work was to develop a mechanical alloying process as a low-cost option to produce these alloys on-site. High-speed milling at elevated temperatures has the potential to significantly reduce the time and cost of the mechanical alloying process. It was demonstrated that elemental metal powders can be alloyed in an attritor mill under argon. In order to form LaNi{sub 4.25}Al{sub 0.75} from elemental metals it was found that lanthanum and nickel must be alloyed prior to adding aluminum. It was also demonstrated that metal powders could be alloyed in the high-speed attritor with the temperature in the mill equilibrating at {approx}220 C. Optimization of the process parameters will require additional testing.

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  • Report No.: WSRC-TR-2006-00334
  • Grant Number: DE-AC09-96SR18500
  • DOI: 10.2172/922281 | External Link
  • Office of Scientific & Technical Information Report Number: 922281
  • Archival Resource Key: ark:/67531/metadc897514

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  • November 30, 2006

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 12, 2016, 1:32 p.m.

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Fox, K. SYNTHESIS OF METAL HYDRIDES BY MECHANICAL ALLOYING IN AN ATTRITOR MILL: FY06 STATUS REPORT, report, November 30, 2006; [Aiken, South Carolina]. (digital.library.unt.edu/ark:/67531/metadc897514/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.