Spark Plasma Sintering of Mechanically Activated Ni and Al Nanopowders

Abstract:

The structure and mechanical properties of materials fabricated by spark plasma sintering of mechanically activated mixture of nickel and aluminum nanopowders were investigated. On account of the elemental powders ratio formation of Ni₃Al compound was expected. Relative density of sintered samples was equal to ~ 95 %, microhardness of materials was 6540 MPa. Ultimate tensile strength of samples tested according to three-point bending scheme exceed 1100 MPa.

• Periodical: Applied Mechanics and Materials (Volume 682)
• Pages: 188-191
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.682.188
• Online since: October 2014
• Authors: Lilia I. Shevtsova*, T.S. Sameyshcheva, D.D. Munkueva
• Keywords: Intermetallic, Mechanical Alloying, Nanopowder, Nickel Aluminide, Spark Plasma Sintering

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