Now showing items 1-8 of 8

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      A Method to Determine the Electrical Resistance of a Metallic Powder Mass under Compression  [Article]

      Montes Martos, Juan Manuel; Gómez Cuevas, Francisco de Paula; Ternero Fernández, Fátima; Astacio López, Raquel; Sánchez Caballero, Eduardo; Cintas Físico, Jesús (MDPI, 2017-11-06)
      In this paper, a phenomenological model to predict the value of the electrical resistance of a compressed metal powder mass is proposed. The model, based on the experimental compressibility and resistivity-porosity curves, ...
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      Fracture toughness of cemented carbides obtained by electrical resistance sintering  [Article]

      Astacio López, Raquel; Gallardo Fuentes, José María; Cintas Físico, Jesús; Gómez Cuevas, Francisco de Paula; Prakash, Leo; Torres Hernández, Yadir (Elsevier, 2019)
      The unique combination of hardness, toughness and wear resistance exhibited by WC-Co cemented carbides (hardmetals) has made them a preeminent material choice for extremely demanding applications, such as metal cutting/forming ...
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      Hard Metal Production by ERS: Processing Parameter Roles in Final Properties  [Article]

      Gallardo Fuentes, José María; Agote, Íñigo; Astacio López, Raquel; Schubert, Thomas; Cintas Físico, Jesús; Montes Martos, Juan Manuel; Torres Hernández, Yadir; Gómez Cuevas, Francisco de Paula (MDPI, 2019)
      Cemented carbide is a hard composite material, used widely in a variety of industries. The value of the global tungsten carbide market is expected to grow by 4.4% (compound annual growth rate) from 2017 to 2022. One of the ...
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      In Situ Synthesis of Al-Based MMCs Reinforced with AlN by Mechanical Alloying under NH3 Gas  [Article]

      Sánchez Caballero, Eduardo; Gómez Cuevas, Francisco de Paula; Ternero Fernández, Fátima; Astacio López, Raquel; Montes Martos, Juan Manuel; Cintas Físico, Jesús (MDPI, 2018)
      Aluminum matrix composites (AMCs) reinforced by aluminum nitride were prepared by mechanical alloying followed by a simple press and sintering method. Milling began under vacuum and after a period of between 1 and 4 h, ...
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      Influence of processing parameters on the conduct of electrical resistance sintering of iron powders  [Article]

      Ternero Fernández, Fátima; Astacio López, Raquel; Sánchez Caballero, Eduardo; Gómez Cuevas, Francisco de Paula; Montes Martos, Juan Manuel (MDPI, 2020-04)
      The influence of the applied pressure and electrical parameters on the macrostructure of specimens consolidated by the medium-frequency electrical resistance sintering technique (MF-ERS) is analysed in this work. This ...
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      Medium-frequency electrical resistance sintering of oxidized C.P. iron powder  [Article]

      Montes Martos, Juan Manuel; Gómez Cuevas, Francisco de Paula; Ternero Fernández, Fátima; Astacio López, Raquel; Sánchez Caballero, Eduardo; Cintas Físico, Jesús (MDPI, 2018)
      Commercially pure (C.P.) iron powders with a deliberate high degree of oxidation were consolidated by medium-frequency electrical resistance sintering (MF-ERS). This is a consolidation technique where pressure, and heat ...
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      Nickel Porous Compacts Obtained by Medium-Frequency Electrical Resistance Sintering  [Article]

      Ternero Fernández, Fátima; Sánchez Caballero, Eduardo; Astacio López, Raquel; Cintas Físico, Jesús; Montes Martos, Juan Manuel (MDPI, 2020-05)
      A commercially pure (c.p.) nickel powder was consolidated by Medium-Frequency Electrical Resistance Sintering (MF-ERS). In this consolidation technique, a pressure and the heat released by a high-intensity and low-voltage ...
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      Production of Ultrafine Grained Hardmetals by Electrical Resistance Sintering  [Article]

      Cintas Físico, Jesús; Astacio López, Raquel; Gómez Cuevas, Francisco de Paula; Montes Martos, Juan Manuel; Weissgaerber, Thomas; Lagos, Miguel Ángel; Torres Hernández, Yadir; Gallardo Fuentes, José María (MDPI, 2019-02)
      In this work, powders of cemented ultrafine WC-6 wt.% Co were consolidated. The feasibility of the medium frequency electrical resistance sintering (MF-ERS) technique were studied to prevent WC grain growth during ...