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      Nanocrystalline Al Composites from Powder Milled under Ammonia Gas Flow  [Article]

      Cintas Físico, Jesús; Caballero, E. S.; Montes, J. M.; Cuevas, F. G.; Arévalo Mora, Cristina María (Hindawi Publishing Corporation, 2014)
      The production of high hardness and thermally stable nanocrystalline aluminium composites is described. Al powder was milled at room temperature in an ammonia flow for a period of less than 5 h. NH3 dissociation during ...