as-melt-spun microstructure
Microstructure of a Partially Crystallised Ti50Ni25Cu25 Melt Spun Ribbon
... the melt-spinning technique and retained in the amorphous matrix after the rapid solidification, similar to bigger bubbles observed after casting by melt-spinning under non-optimum ...
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Texture and Microstructure of Ti Ni Melt Spun Shape Memory Alloy Ribbons
... Figure 1 shows {110}, {211} and {200} pole figures of the Ti-51.0 at%Ni as-spun ribbon. The center of the pole figure corresponds to the direction normal to the specimen surface (ND). The top and the right of pole ...
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Crystallization in Partially Amorphous Ni50Ti32Hf18 Melt Spun Ribbon
... Production of amorphous material may seem useless in the field of SMA, as it requires a subsequent crystallization process in order to obtain the martensitic transformation. However, the exceptional ductility of amorphous ...
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Thermal Stability and Mechanical Properties of Spray Formed and Melt Spun Al89La6Ni5 Metallic Glass Matrix Composites
... At the end of the spray forming process, the deposit flew off from high-speed rotating ram and crashed into pieces. Figure 1 shows the overview and cross-sectional micro- graphs of a broken as-spray-formed LaSD deposit ...
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Hydriding and dehydriding kinetics of melt spun nanocrystalline Mg20Ni10 xCux (x = 0 4) alloys
... by melt spinning is undoubtedly asso- ciated with the refinement of the grains produced by melt spinning ...the microstructure, a lot of new crystallites and grain boundaries are created which can ...
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Effect of annealing and silylation on the strength of melt-spun Ni-Mn-Ga fibres and their adhesion to epoxy
... of melt-spun Ni-Mn-Ga fibres on their strength and adhesion to an epoxy matrix was investigated using single fibre tension and fragmentation ...of melt-spun Ni-Mn-Ga fibres changed the surface ...
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Study Microstructure And Mechanical Properties Of Rapidly Solidified Of Al-Sn By Melt Spinning Technique
... The melt spinning technique has been used in this study to produce rapidly solidified alloys in the simple binary Al- Sn ...and melt spun ...in microstructure and phases of as cast and rapid ...
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Characterization of Nanocrystal Dispersed Cu60Zr30Ti10 Metallic Glass
... the melt-spun ribbon shows single phase amorphous structure, the nanocrystalline microstructure observed in the as-cast bulk sample is concluded to be due to the crystal- lization during ...phous ...
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Morphology and Static Micro-indentation of melt-spun Al-Si-Fe- X (X= Nb, B) alloys by the addition of Ni
... and microstructure properties of rapidly solidified Al-20Si-5Fe alloys by addition of Cr and Zr, results displayed that different size of β and Si particles were homogeneously distributed through Al matrix, ...
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Microstructure and Magnetic Properties of Grain Refined Pr2Co14B Melt-Spun Ribbons
... the microstructure of the as-spun PrCoB-TiC samples from wheel side to free side, while Figure 4d–f correspond to the as-spun PrCoB samples, also from wheel side to free ...the ...
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The Study of Microstructure and Electrochemical Properties of Melt-spun Mg-Ni-La alloys
... 564.2 mAhg -1 ) showed superior hydrogenation kinetics and higher discharge capacity. One explanation for this could be the homogeneous microstructure of the melt–spun alloy. The as-cast eutectic ...
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Martensitic Transformation Behavior and Shape Memory Properties of Ti–Ni–Pt Melt Spun Ribbons
... are not observed for odd k. 21) Based on the atom positions reported in Ref. 20), we can deduce that disordered B19 takes, for the notation in this study, space group of Bmmb. Structure factors of 011 and 100 reflections ...
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Evaluation of Degradable Spun-Melt 100% Polylactic Acid Nonwoven Mulch Materials in a Greenhouse Environment
... Two experimental degradable mulch candidates were prepared by using fibers of PLA [5, 6] and nonwoven fabric production techniques [7]. The first, a spunbond (SB) PLA spun-melt nonwoven is a strong, ...
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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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Small Angle X ray Scattering Studies of Fe Si Cu B Melt Spun Ribbons
... Detailed analysis of SAXS data showed that: ・ optimum magnetic properties result from the use of not only finer grain sizes, but also smaller size distributions, ・ an inverse effect of g[r] ...
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Microstructure of Nd Rich Grain Boundary Phase in Die Upset Nd Fe Co Ga B Magnet
... A schematic illustration and a low magnified SEM image of a vertical plane in the die-upset Nd-Fe-Co-Ga-B magnet are shown in Fig. 1(a) and (b), respectively. One can see that there are dark big grains separated by bright ...
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Effects of Initial States on the Spinodal Decomposition of Quenched and Melt Spun Cu 15Ni 8Sn Alloy
... the melt- spun samples are presumably too small to promote spinodal ...the melt-spun samples require a relatively long time even when the aging temperature is high enough to promote spinodal ...
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The Preparation and Catalytic Performance of Nanoporous CuO/CeO2 Composites
... mechanism of the nanoporous Cu prepared by the dealloying of melt-spun Al-Cu alloys in acidic or alkaline aqueous solution has been extensively studied. The dealloying process is essentially the selective ...
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Formation of Nanocrystalline Globules and Metallic Glass in Fe70 xCuxZr10B20 (x=0–70) Alloys
... of melt per run was about 5 ...of melt before ejection was around 1723 K. Structure of the melt-spun ribbon was examined by X-ray diffractometry using Cu-K radiation, optical microscope (OM), ...
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Electron Irradiation Induced Phase Transformation in Nd2Fe14B Alloy
... The microstructure of rapidly-solidified ribbon was inves- tigated by XRD and conventional TEM using a JEM-3010 operated at 300 kV. Figure 1(a) shows the XRD pattern of a rapidly solidified sample; many sharp ...
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