Melt-Spun
Effects of Initial States on the Spinodal Decomposition of Quenched and Melt Spun Cu 15Ni 8Sn Alloy
... and melt-spun samples) in detail. For melt spun samples, which are notable for a very low rate of spinodal decomposition, the extent of initial concentration fluctuations ...
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Crystallization in Partially Amorphous Ni50Ti32Hf18 Melt Spun Ribbon
... the melt spinning promotes a reduction of the grain size, and thus a decrease in the transformation temperatures, as it has been already shown for Cu-based melt spun ...
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Annealing of Amorphous Sm5Fe17 Melt Spun Ribbon
... The melt-spun ribbon wrapped with tantalum foil was annealed under an argon atmosphere for ...the melt-spun ribbon was examined by chemical analysis using inductively coupled plasma ...
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Long Period Hexagonal Structures in Melt Spun Mg97Ln2Zn1 (Ln=Lanthanide Metal) Alloys
... hcp phase with a long periodicity which is three times longer than that for the ordinary hcp phase. The high-resolution TEM image of the long-period region in the annealed Mg- Gd-Zn alloy is shown in Fig. 9. It is seen ...
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Texture and Microstructure of Ti Ni Melt Spun Shape Memory Alloy Ribbons
... In order to clarify the deformation behavior of the melt- spun ribbons, the thermal cycling tests under various constant stresses were carried out. Figure 3 shows the strain vs. temperature curves of ...
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Thermal Stability and Mechanical Properties of Spray Formed and Melt Spun Al89La6Ni5 Metallic Glass Matrix Composites
... subsequently melt-spun into ribbons at wheel speeds of 15 m/s (designated as La15) and 30 m/s (desig- nated as ...La30). Melt-spun ribbons were sectioned into 10 mm long pieces, glued into a ...
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Hydrogen Permeation Characteristics of Melt Spun Ni Nb Zr Amorphous Alloy Membranes
... from embrittlement although those hydrogen permeability was much lower than that of the Pd–Ag alloys. 31,32) We have tried to develop a practical membrane with high hydrogen permeability without hydrogen-induced ...
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Martensitic Transformation Behavior and Shape Memory Properties of Ti–Ni–Pt Melt Spun Ribbons
... TiNi alloys with some ternary elements have been inves- tigated as above, there are few studies on rapidly solidified TiNi alloys which were ternary added with PGMs. The objective of this study is to investigate phase ...
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Hydriding and dehydriding kinetics of melt spun nanocrystalline Mg20Ni10 xCux (x = 0 4) alloys
... grain boundary and 2.2 wt.% H in the amorphous region. It revealed that the hydrides mainly exist in grain- boundary region and the amorphous phase region. The improved hydrogenation characteristics can be explained with ...
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An insight on the process–property relationships of melt spun polylactic acid fibers
... 17 process has significant effect on the structural properties of the tested PLA samples compared to the as spun samples. In case of drawn fibers. It is clear from the obtained structural properties that the take ...
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Microstructure of a Partially Crystallised Ti50Ni25Cu25 Melt Spun Ribbon
... 3.2 Single-grain particles after 10 minutes at 693 K After 10 minutes at 693 K the microstructure of the partially crystallised samples consists of a distribution of few crystalline particles (typical sizes of 1–2 mm) ...
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Characterization of Melt Spun NdFeB Magnets Prepared by Explosive Compaction
... The high magnetic properties make NdFeB permanent magnets of significant and growing commercial importance for many applications in recent two decades. Polymer bonding processing by blending the silane-treated NdFeB ...
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The Structure and Magnetic Properties of Co77Zr18W5 Melt Spun Ribbons
... melt-spun ribbons on the annealing temperature. We can find that the coercivity of the annealed melt-spun ribbons decreases initially with increasing the annealing tem- perature from 4.0 kOe ...
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Formation of Nanocrystalline Globules and Metallic Glass in Fe70 xCuxZr10B20 (x=0–70) Alloys
... 60 and 70) alloys were prepared from Fe, Cu, Zr, B and ferro- boron by arc melting under purified Ar atmosphere on a water-cooled copper substrate. Rapidly quenched ribbons with a cross section of about 2:0 mm 0:02 mm ...
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Effects of Zr and C Additions on Magnetic Properties and Microstructures of α Fe/Nd2F14B Nanocomposite Magnets
... velocity of 30 m/s and those of subsequently annealed samples at the temperatures ranging from 773 to 903 K. Each sample was isothermally annealed for 600 s. The as melt- spun sample with a slower cooling ...
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Assessment of the distribution of nanofibers in membranes based on microstructure photos
... powder is dissolved in ethanol to prepare a 10% w/v polymer solution. Then, the same laboratory electrospinning apparatus is used to spun the polymer solution using the following conditions: applied voltage 18 kV, ...
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Wet-spinnability and crosslinked fibre properties of two collagen polypeptides with varied molecular weight
... porous internal morphologies (Fig. 4C, E) and fibre diameter (Fig. 5) was observed. As expected, HFC solutions in TFE mainly resulted in porous (P: 4 ± 1 m) fibres (Fig. 1D, E) with decreased diameter (Fig. 5), in light ...
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Microstructure of Nd Rich Grain Boundary Phase in Die Upset Nd Fe Co Ga B Magnet
... Fig. 2 TEM bright field (BF) images of typical texture in the interior (a) and the interface regions (b) for the original melt-spun flake for the die- upset Nd-Fe-Co-Ga-B magnet. (c) Nano-beam diffraction ...
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Electron Irradiation Induced Phase Transformation in Nd2Fe14B Alloy
... highly purified Ar atmosphere using raw materials of 99.9 mass%Fe, 99.9 mass%Nd and Fe-18.9 mass%B mother alloy. Rapidly quenched ribbon was produced from the ingot by a single roller melt-spinning method at a roll ...
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Utilization of multiwalled boron nitride nanotubes for the reinforcement of lightweight aluminum ribbons
... after melt casting - a weak B peak is coming out of the dispersed nanotubes, Cr and Mo peaks are due to the TEM holder, and minor Si and O signals are possibly originated from the traces of the quartz in the ...
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