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Mostrando ítems 1-10 de 15
Artículo
Medium-Frequency Electrical Resistance Sintering of Soft Magnetic Powder Metallurgy Iron Parts
(MDPI, 2021-06)
The fabrication of soft magnetic Fe parts by the medium-frequency electrical resistance sintering (MF-ERS) technique is studied in this paper. This consolidation technique involves the simultaneous application to metallic ...
Artículo
Amorphous Phase Formation and Heat Treating Evolution in Mechanically Alloyed Ti–Cu Alloy for Biomedical Applications
(Springer, 2022-07-27)
The present work aims to produce TixCu100-x (x = 90, 80, 70, and 60) amorphous alloys by using high energy ball mill. The microstructure and possible formation of amorphous phases were characterized employing laser ...
Artículo
Modelling and Simulation of the Electrical Resistance Sintering Process of Iron Powders
(Korean Institute of Metals and Materials, 2020-07)
In this paper, the process known as Electrical Resistance Sintering under Pressure is modelled, simulated and validated. This consolidation technique consists of applying a high-intensity electrical current to a metallic ...
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
Nickel Porous Compacts Obtained by Medium-Frequency Electrical Resistance Sintering
(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 ...
Artículo
Influence of Temperature on Mechanical Properties of AMCs
(MDPI, 2020-06)
This research focused on studying the effect of temperature on the mechanical properties of aluminium matrix composites (AMCs) obtained by a powder metallurgy route. Aluminium powder was milled at room temperature for 5 h ...
Artículo
Mechanical alloying and amorphization of Ti75Cu25 alloy
(Elsevier, 2022)
Ti-Cu alloys are used in dental and medical applications, due to their good mechanical properties, corrosion resistance and antibacterial properties. These properties are sensitive to microstructure and can be improved by ...
Patente
Método para la fabricación pulvimetalúrgica de imanes
(Oficina Española de Patentes y Marcas , 2015-08-20)
La presente patente tiene por objeto presentar un nuevo método para la fabricación pulvimetalúrgica de imanes (aplicable especialmente a la fabricación de imanes que contienen tierras raras). Lo novedoso del método reside ...
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
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, ...