Amorphous and nanocrystalline
Microstructural Analysis of Amorphous and Nanocrystalline Fe73.5-xCrxNb3Cu1Si13.5B9 Alloy by XRD Analysis
... above the annealing temperature decreases. The lattice parameter of pure Fe is 2.8664Å. But the lattice parameter at various annealing temperature for the present alloy are significantly less than that of pure Fe. It is ...
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Wettability of amorphous and nanocrystalline Fe78B13Si9 substrates by molten Sn and Bi
... and nanocrystalline alloys are newly devel- oped materials with a number of superior physical, che- mical, and mechanical properties, which are of significant importance for basic scientific research and potential ...
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Amorphous Nanocrystalline Transition in Silicon Thin Films Obtained by Argon Diluted Silane PECVD
... the amorphous to nanocrystalline phase ...an amorphous-nanocrystalline transition, with an increase in crystalline fraction by increasing RF power and working ...
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Electrodeposition of Sm-Co Alloy Films with Nanocrystalline/Amorphous Structures from a Sulphamate Aqueous Solution
... of amorphous material in the films. The growth of amorphous Sm-Co deposits by electrochemical methods is well documented [21, 29, ...an amorphous structure (with a high enough Sm content in the ...of ...
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Crystallization of citrate-stabilized amorphous calcium phosphate to nanocrystalline apatite : a surface-mediated transformation
... of nanocrystalline apatite (Ap), the main constituent of the inorganic phase of bone, 1, 2 remain under ...an amorphous precursor and resulting in a well- defined mineral, is a matter of intensive ...an ...
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The Corrosion Behaviors of Amorphous, Nanocrystalline and Crystalline Ni-W Alloys Coating
... of amorphous, nanocrystalline and crystalline Ni-W alloys coating in pH=3, 7, 10, ...that amorphous Ni-W alloy coating have a biggest self- corrosion resistance among these three Ni-W alloys coating, ...
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FeSiBPCu Nanocrystalline Soft Magnetic Alloys with High Bs of 1 9 Tesla Produced by Crystallizing Hetero Amorphous Phase
... crystallizing amorphous phases attracted great attention due to their excellent soft magnetic properties and rather high ...developed nanocrystalline soft magnetic alloys and their derivatives always ...
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Efficient visible luminescence of nanocrystalline silicon prepared from amorphous silicon films by thermal annealing and stain etching
... Films of nanocrystalline silicon (nc-Si) were prepared from hydrogenated amorphous silicon (a-Si:H) by using rapid thermal annealing. The formed nc-Si films were subjected to stain etching in hydrofluoric ...
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Mechanical Characteristics of Nanocrystalline (ZrO2·20 mol%Y2O3)80(Al2O3)20 Synthesized via Pulse Electric Current Consolidation of the Amorphous Powder
... synthesized amorphous powder 7) is successfully employed to obtain a full-density nanocrystalline ceramic with a nearly threshold of approximately 10 nm for the average crystallite size in the absence of ...
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Ni W Amorphous/Nanocrystalline Duplex Composite Produced by Electrodeposition
... Electrodeposited Ni-W alloys with grain size of 5 and 8 nm were successfully characterized through a series of nano- characterization techniques. The W-concentration histo- grams obtained from 3DAP data fitted well to the ...
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Thermodynamic Assessment of Fe B P Cu Nanocrystalline Soft Magnetic Alloys for Their Crystallizations from Amorphous Phase
... magnetic nanocrystalline alloys, such as FINEMET comprising Fe-Nb-Si-B-Cu 8) and NANOPERM from Fe-Zr-B-Cu 9) in that NANOMET is free of early transition metal ...
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In Process Nanocrystalline Control Consolidation of the Amorphous ZrO2 20 mol%Al2O3 Powder
... The nanocrystalline ceramics is one of the most promising materials to achieve the innovative mechanical property such as high-strain-rate superplasticity at low temperature and extremely high fracture toughness, ...
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FORMATION AND CHARACTERISATION OF NANOCRYSTALLINE COPPER IN AMORPHOUS SILICA
... When energetic ions enter an amorphous solid, they slow down by a series of collisions with target atoms and their electrons. Energy loss to electrons preferentially occurs when ion energies are high and the ion ...
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Optimization of magnetic properties of magnetic microwires by Post-processing.
... of amorphous and nanocrystalline microwires have been thoroughly analyzed, paying attention on the influence of magnetoelastic, induced and magnetocrystalline anisotropies on the hysteresis loops of Fe-, ...
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Ultra High Pressure Consolidation of Ball Milled Nanocrystalline TiTaNb Alloys
... Figure 1 shows X-Ray diffraction patterns from the elementary powders of composition TiTa5Nb5 ball milled for 5, 10, 20, 40 and 80 hours. One can see broadening of the peaks due to gradual decrease of the grain size with ...
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Atomistic Simulation of Shear Mode Deformation of Nanocrystalline Copper with Different Grain Sizes
... In order to investigate the atomic configuration, the radial distribution function (RDF) inside the crystal grain and that in the grain boundary were calculated. The results are shown in Fig. 2. The RDF shows sharp peaks ...
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Soft Magnetic Properties of Nanocystalline Fe Si B Nb Cu Rod Alloys Obtained by Crystallization of Cast Amorphous Phase
... glassy alloys in Fe–Si–B–Nb and Fe–Si–B–Zr systems are very attractive as a new type of soft magnetic bulk alloy. Thus the bulk glassy alloys with good soft magnetic properties were developed in a number of Fe-based ...
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The Crystallization Kinetics, Structural and Magnetic Properties of Fe72.5Ag2Nb3Si13.5B9 Amorphous Ribbons as Affected by Annealing
... preparation of nanocrystals through the crystallization process controlled by thermal treatments [4-7]. Müller et. al. [8] studied the influence of Cu/ Nb content and annealing condition on the microstructure and the ...
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Control of a Nanocomposite Structure in Fe86Nd9B5 Alloy by Electron Irradiation
... phase was completely annihilated during irradiation, while - Fe solid solution shows high phase stability against electron irradiation and transformation to the other phases does not occur. The nanocrystalline ...
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Shear Band Deformation in Amorphous Alloys and Composites
... (e.g., nanocrystalline alloys) or those without a long-range crys- talline order ...of nanocrystalline alloys (and some of ultra-fine grained materials), the initiation and propagation behaviors of shear ...
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