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Obtaining NiAl intermetallic compound using different milling devices

Kubaski, Evaldo Toniolo; Cintho, Osvaldo Mitsuyuki; Antoniassi, Juliana Lívi; Kahn, Henrique; Capocchi, Jose Deodoro Trani Universidade De São Paulo

Advanced Powder Technology, Amsterdam, v. 23, n. 5, p. 667-672, Sept. 2012

Elsevier Science BV; Amsterdam 2012

Acesso online

  • Título:
    Obtaining NiAl intermetallic compound using different milling devices
  • Autor: Kubaski, Evaldo Toniolo; Cintho, Osvaldo Mitsuyuki; Antoniassi, Juliana Lívi; Kahn, Henrique; Capocchi, Jose Deodoro Trani
  • Universidade De São Paulo
  • Assuntos: Mechanical Alloying; Nial Intermetallic Compound; Attritor Mill; Planetary Mill; Process-Control Agents; Secondary Recrystallization; Nial-Aln-Al2o3 Composites; Cu-Zn; Microstructure; Ductility; Al; Deformation; Mechanisms; Dynamics; Engineering; Chemical
  • É parte de: Advanced Powder Technology, Amsterdam, v. 23, n. 5, p. 667-672, Sept. 2012
  • Descrição: NiAl intermetallic compound was synthesized by mechanical alloying technique in planetary and attritor mills. The starting powders consisted of elemental mixtures of Ni and Al at Ni50Al50(at%) composition. In the planetary mill, compound formation occurred gradually during mechanical alloying, while the occurrence of a mechanically induced self-propagating reaction (MSR) can be suggested in the attritor mill. The NiAl obtained in both mill types was partially disordered with long-range order parameter not inferior to 0.66. Quantitative phase analysis using the Rietveld method was performed in as-milled samples, and this method was also employed to estimate changes in crystallite size and lattice strain of the NiAl produced during mechanical alloying. (C) 2011 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.
    State of Sao Paulo Research Foundation (FAPESP)
    State of Sao Paulo Research Foundation (FAPESP) [07/50954-0]
    Coordination for the Improvement of Higher Education Personnel (Capes) [123/07]
    Coordination for the Improvement of Higher Education Personnel (CAPES)
    CAPES
    Capes
  • DOI: 10.1016/j.apt.2011.08.005
  • Títulos relacionados: Advanced Powder Technology
  • Editor: Elsevier Science BV; Amsterdam
  • Data de publicação: 2012
  • Idioma: Inglês

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