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Production of dental alloy by the melt extraction technique
Journal of Materials Science, 1978Filaments of a commercial dental alloy (Ag3Sn) have been produced using the technique of pendant drop melt extraction. The filaments are 50 μm in diameter with a mean grain size of 5μm. Both the mechanical and structural properties of these wires have been determined to show that the results are consistent with those predicted in a previous study on ...
J. V. Wood, S. C. King
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Garnet coalescence clogs melt extraction channels in migmatite
LithosHere we investigate the evolution of a focused melt extraction horizon exposed in lower crustal metapelites of the Serre Massif in Calabria (southern Variscan belt, Italy) and consider the effect of melt drainage on the rheology of the orogenic lower crust.
Festa, Vincenzo +2 more
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Physics of melt extraction: theory, implications and applications
Philosophical Transactions of the Royal Society of London. Series A: Physical and Engineering Sciences, 1993This paper presents a general overview of flow in deformable porous media with emphasis on melt extraction processes beneath mid-ocean ridges. Using a series of simple model problems, we show that the equations governing magma migration have two fundamentally different modes of behaviour.
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Microstructure studies of melt-extracted Nd-Fe-B fibers
Journal of Magnetism and Magnetic Materials, 1992Abstract The correlation between quenching conditions and microstructure of Nd-Fe-B fibers obtained by melt-extraction method has been studied. The structure of as-quenched fibers was observed by Scanning Electron Microscopy (SEM) on fracture cross section and by Transmission Electron Microscopy (TEM).
A. Zaluska +2 more
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The importance of melt extraction for tracing mantle heterogeneity
Geochimica et Cosmochimica Acta, 2009Numerous isotope and trace element studies of mantle rocks and oceanic basalts show that the Earth’s mantle is heterogeneous. The isotopic variability in oceanic basalts indicates that most mantle sources consist of complex assemblages of two or more components with isolated long-term chemical evolution, on both global and local scales.
Andreas Stracke, Bernard Bourdon
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Structure and Consolidation Properties of Some Melt Extracted Steels
MRS Proceedings, 1983ABSTRACTA range of Fe-Mn and Fe-Ni steels have been processed by melt extraction to give fibres and particulate. The consolidation and sintering performance of these alloys are presented. Densities of up to 95% can be achieved with hardnesses in the range 400–500 Hv while possessing grain sizes less than 20μm.
J.V. Wood, C. Gagg
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Magnetocaloric effect of melt-extracted high-entropy Gd19Tb19Er18Fe19Al25 amorphous microwires
Journal of Magnetism and Magnetic Materials, 2020Abstract In this paper, the magnetocaloric effect (MCE) of a high-entropy Gd19Tb19Er18Fe19Al25 amorphous microwires fabricated by melt-extracted method are investigated systematically. These microwires exhibit a second-order phase transition from ferromagnetic to paramagnetic states at the Curie temperature of 97 K.
Lin Luo +10 more
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Fabrication and Characterization of Slag Fiber by Melt Extraction
Materials Science Forum, 2007The influence of wheel speed and melt temperature on the surface characteristics of slag fibers were examined in mineral fibers synthesized from the steel-making slag, using a modified melt extraction method, i.e. melt spinning. The synthesized fibers were characterized by optical microscope and scanning electron microscopy. It was found that the wheel
Yeong Hwan Song +5 more
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Forming porous fibrous materials by the pendant drop melt extraction
Russian Journal of Non-Ferrous Metals, 2013A method for forming porous material based on metallic fibers, which are obtained by pendant drop melt extraction (PDME) method, is proposed. An installation for forming porous fibrous materials by the PDME method is developed and fabricated. Samples of porous materials made of fibers of heat-resistant and corrosion-resistant steels, nickel alloys ...
B. V. Borisov, M. M. Serov
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Enhanced magnetocaloric properties of melt-extracted GdAlCo metallic glass microwires
Journal of Magnetism and Magnetic Materials, 2014Abstract Herein, we report high magnetocaloric performance of melt-extracted metallic glass Gd 60 Al 20 Co 20 microwires, which exhibit a large and reversible magnetocaloric effect (MCE). The isothermal magnetic entropy change (−Δ S m ) reaches as high as 10.1 J kg −1 K −1 and the refrigerant capacity (RC) has a large value of 681 J kg −1 for ...
Hongxian Shen +8 more
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