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Friction-stir welding of a beryllium-aluminum powder metallurgy alloy

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Abstract

The friction-stir welding of a 62 Be-38 Al composite consisting of a Be phase in a continuous Al matrix produced a recrystallized, refined weld zone microstructure with intermixed, equiaxed grains of Be and Al, which increased in hardness by 43 percent from the base metal hardness. Like other friction-stir weld processes, there was no melting and no apparent release of airborne Be or BeO, rendering the process environmentally and technically attractive.

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Authors and Affiliations

  1. Department of Metallurgical and Materials Engineering, The University of Texas at El Paso, El Paso, TX, 79968, USA

    F. Contreras, E. A. Trillo & L. E. Murr

Authors
  1. F. Contreras
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  2. E. A. Trillo
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  3. L. E. Murr
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Contreras, F., Trillo, E.A. & Murr, L.E. Friction-stir welding of a beryllium-aluminum powder metallurgy alloy. Journal of Materials Science 37, 89–99 (2002). https://doi.org/10.1023/A:1013193708743

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  • DOI: https://doi.org/10.1023/A:1013193708743

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