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Artículo
Fracture toughness of cemented carbides obtained by electrical resistance sintering
(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 ...
Artículo
Production of Ultrafine Grained Hardmetals by Electrical Resistance Sintering
(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 ...
Artículo
Influence of Milling Atmosphere on the Controlled Formation of Ultrafine Dispersoids in Al-Based MMCs
(MDPI, 2016)
Properties of compacts made from aluminium powder, milled under different atmospheres, were evaluated. The duration of all the milling processes was 10 h, although different atmospheres were tested: vacuum, confined ...
Artículo
Nanocrystalline Al Composites from Powder Milled under Ammonia Gas Flow
(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 ...
Artículo
Consolidation by MF-ERS of mechanically alloyed Al powder
(Elsevier, 2019-07)
The aim of this work is to study the viability of producing, by medium-frequency electrical resistance sintering (MF-ERS), compacts from mechanically alloyed aluminium powders. The MF-ERS process was carried out using ...
Artículo
Hard Metal Production by ERS: Processing Parameter Roles in Final Properties
(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 ...
Artículo
In Situ Synthesis of Al-Based MMCs Reinforced with AlN by Mechanical Alloying under NH3 Gas
(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, ...
Artículo
Ceramic dies selection for electrical resistance sintering of metallic materials
(Elsevier, 2019)
Processing metallic powders by electrical resistance sintering requires the use of insulating ceramics dies. Selecting the appropriate ceramic material according to the electrical, thermal and mechanical properties is a ...
Artículo
Medium-frequency electrical resistance sintering of oxidized C.P. iron powder
(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 ...
Artículo
Synthesis and characterization of in situ-reinforced Al–AlN composites produced by mechanical alloying
(Elsevier, 2017)
This research is focused on the production of aluminum matrix composites (AMCs) reinforced with various percentages of aluminum nitride (AlN). For this purpose, aluminum powder was milled at room temperature for a total ...