Spark plasma
All-solid-state silver batteries assembled by Spark Plasma Sintering
... needed to minimize the polarization due to the resistive electrode/ electrolyte interfaces of the cells assembled by cold compaction. Recently, we reported a new approach to develop bulk type all solid state Li ion ...
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Spark Plasma Sintering and Characterization of NiCoCrAlY-Ta Superalloy Powder
... 5. Conclusions NiCoCrAlY-Ta alloys have been sintered by the using spark plasma sintering process. In less than 30 min and at 950 °C, tablet-like specimen disclosing with a good compacting and homogeneous ...
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Simulation multi-physique du procédé de frittage SPS (Spark Plasma Sintering)
... [9] K. Vanmeensel, A. Laptev, J. Hennicke, J. Vleugels, et O. Van der Biest, “Modelling of the temperature distribution during field assisted sintering”, Acta Materialia, vol. 53, no 16, p. 4379 ‑ 4388, 2005. [10] R. ...
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Spark-plasma-sintering of double-walled carbon nanotube–magnesia nanocomposites
... severe spark plasma sintering conditions (1700 °C, 150 MPa) shows mostly undamaged nanotubes and a higher microhardness than the other materials, reflecting a better bonding between nano- tubes and ...
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Full densification of Molybdenum powders using Spark Plasma Sintering
... Abstract: Pure molybdenum powder was sintered using Spark Plasma Sintering under various temperatures, and holding times, under a pressure of 77 MPa and a heating rate at 700°C/min. After sintering, a ...
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Numerical model for sparking and plasma formation during spark plasma sintering of ceramic compacts
... the Spark Plasma Sintering (SPS) process, a pulsed DC current is directly applied to the die-powder assembly, resembling superfast heated hot-pressing ...
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Development of a TiAl Alloy by Spark Plasma Sintering
... alain.couret@cemes.fr Spark Plasma Sintering (SPS) is a consolidated powder metallurgy process for which the powder sintering is achieved through an applied electric ...
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Spark plasma sintering : couplage entre les approches : modélisation, instrumentation et matériaux
... Spark plasma sintering : couplage entre les approches : modélisation, instrumentation et matériaux Charles Manière.. To cite this version: Charles Manière.[r] ...
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BiFeO3/La0.7Sr0.3MnO3 heterostructures deposited on spark plasma sintered LaAlO3 substrates
... deposition on polished spark plasma sintered LaAlO 3 (LAO) polycrystalline substrates. Both polycrystalline LAO substrates and BFO films were locally characterized using electron backscattering diffraction, ...
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Spark Plasma Sintering and Characterization of NiCoCrAlY-Ta Superalloy Powder
... 5. Conclusions NiCoCrAlY-Ta alloys have been sintered by the using spark plasma sintering process. In less than 30 min and at 950 °C, tablet-like specimen disclosing with a good compacting and homogeneous ...
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Densification of nanocrystalline Y2O3 ceramic powder by spark plasma sintering
... Keywords: Spark plasma sintering; Nanocrystalline; Y 2O3; Grain growth; Densification ...Introduction Spark plasma sintering (SPS) is a versatile technique used for rapid densification of ...
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Superconducting cryo-magnets processed by spark plasma sintering and texturing
... tered for 20 min in dynamic vacuum from 800 °C to 950°C with current pulses in the 2 kA range, while applying uniaxial pressure up to 100 MPa. Additional processing was carried out using another Spark ...
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Spark plasma sintering of ductile ceramic particles: study of LiF
... Spark plasma sintering of ductile ceramic particles: study of LiF R. Marder • C. Estourne`s • G. Chevallier • S. Kalabukhov • R. Chaim Abstract Densification of cuboidal micrometer-sized lithium fluoride ...
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Pulse analysis and electric contact measurements in spark plasma sintering
... 1. Introduction The spark-plasma-sintering (SPS) process is used to manufac- ture complex shaped solid materials from powder. The interesting part of the process is its ability to sinter in a few minutes ...
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Spark plasma sintering and complex shapes: The deformed interfaces approach
... The spark plasma sintering (SPS) is a breakthrough sintering tech- nique based on a simultaneous application of high pressure (up to 150 MPa with graphite tools), high temperature (up to 2000 °C with ...
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Optically transparent ceramics by spark plasma sintering of oxide nanoparticles
... of spark plasma sintering (SPS), the latter technique has been widely promoted as a method for fabricating transparent polycrystalline oxides [7–19] : transparent polycrystalline ceramics of various ...
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Thermoelectric properties of ZnO ceramics densified through spark plasma sintering
... using spark plasma sintering by varying temperature (600 –900 °C) and atmosphere (air and vacuum), thereafter, the ceramics were annealed in air at 600 ...
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Etudes fondamentales pour la compréhension des mécanismes de densification des matériaux par la technologie Spark Plasma Sintering
... "Spark Plasma Sintering" (SPS) séduit autant les mondes scientifique qu'industriel pour ses performances dans la mise en forme de tous types de matériaux, tels que des métaux et alliages, des ...
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Spark plasma sintering de composites base titane renforcés par des carbures pour applications en tribocorrosion
... TiC is brittle in nature, as such metallic binders are normally incorporated to provide ductility and toughness in the bulk material. In terms of sintering, the binder phase also aid in consolidation to full density by ...
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Spark plasma sintering : couplage entre les approches. Modélisation, instrumentation et matériaux
... "Spark Plasma Sintering" (SPS) rencontre beaucoup de succès auprès du milieu scientifique depuis les quinze dernières années de par ses temps de frittage courts, son contrôle microstructural et sa ...
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