Nanocrystalline nickel
Nanocrystalline Nickel Zinc Ferrite as an efficient alcohol sensor at room temperature
... Abstract— In the present communication, nanocrystalline nickel zinc ferrite (NZF) has been successfully synthesized by temperature and spin controlled coprecipitation techinique. The structural and surface ...
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Fabrication and Characterization of Nanocrystalline Nickel with a Grain Size Gradient by Direct Current Electrodeposition
... gradient nanocrystalline nickel samples, the electrodeposition rate was varied and is summarized and displayed in Figure 3 for the given operating ...for nickel coating could be deduced as: ...
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Comparative Study on Microstructural Stability of Pre annealed Electrodeposited Nanocrystalline Nickel During Pack Rolling
... for nanocrystalline materials to be practically used in many ...electrodeposited nanocrystalline nickel containing an initial strong fiber texture, on the basis of X-ray diffraction line profile ...
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The Effect of Stirring Rate on Electrodeposition of Nanocrystalline Nickel Coatings and their Corrosion Behaviors and Mechanical Characteristics
... nano-structure nickel coatings demonstrate better corrosion resistance than ordinary bulk nickel coatings [12, ...of nickel layer according to the potential changes and illustrated that freshly ...
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Jet Electrodeposition of Bulk Nanocrystalline Nickel with Real-Time Polishing
... bulk nanocrystalline nickel deposits by introducing real-time polishing of dynamical free particles to the process of electrodeposition without any additives using direct ...
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Effects of Vacancies on Deformation Behavior in Nanocrystalline Nickel
... of nanocrystalline nickel produced by ...a nanocrystalline Ni-W film containing more vacancies are compared with those of one containing fewer ...
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Influence of Bath Composition on Tensile Ductility in Electrodeposited Bulk Nanocrystalline Nickel
... might play roles in the deformation of the nanocrystalline materials. In the past, there has been considerable research on electrodeposited nanocrystalline Ni (nc-Ni) and nc-Ni alloys. However, there were ...
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ROLE OF LANTHANUM SUBSTITUTION ON THE STRUCTURAL AND MAGNETIC PROPERTIES OF NANOCRYSTALLINE NICKEL FERRITES
... substituted nickel nano ferrites are preferential candidates as compared to normal ferrites for various applications like inductor cores, transformers, recording heads, magnetic shielding and microwave ...
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EFFECT OF SAMARIUM SUBSTITUTION ON THE STRUCTURAL, MORPHOLOGICAL AND MAGNETIC PROPERTIES OF NANOCRYSTALLINE NICKEL FERRITES
... The various magnetic parameters such as saturation magnetization, coercivity and retentivity was measured using a vibrating sample magnetometer and are as tabulated in Table2.The values were all recorded at room ...
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Elastic and Plastic Deformation Behavior Studied by In Situ Synchrotron X ray Diffraction in Nanocrystalline Nickel
... In situ XRD measurements were conducted during the tensile deformation of both submicron-grained Ni specimens fabricated by accu- mulative roll bonding (having a grain size of 270 nm) and nanocrystalline Ni ...
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Fundamentals of interface phenomena in advanced bulk nanoscale materials
... in nanocrystalline nickel [8] and copper [9] processed by electrodepo- ...in nickel obtained by severe plastic deformation despite the fact that at the start of the testing both materials have a ...
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Chemical Bath Synthesis and physico-chemical Characterizations of NiO-CoO Composite Thin Films for Supercapacitor applications
... of nanocrystalline nickel-cobalt oxides (NiO-CoO) thin ...using nickel sulfate and cobalt sulfate as the starting materials, were deposited on non-conducting glass substrates and steel ...
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Electrochemical Behaviour of Nanoscale Ni Modified Screen-Printed Carbon Electrodes in Corrosion Tests and Hydrogen Evolution Electrocatalysis
... Electrochemical stability of electrodeposited nanocrystalline nickel particles was studied by anodic polarization curves at room temperature. The representative Tafel plots obtained for NiNPs modified SPCEs ...
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Thermally Stability of Nanocrystalline Microstructures
... research nanocrystalline (NC) and ultra-fine-grained (UFG) metal alloys were electro-polished both in the mechanically consolidated bulk state and also by embedding the hard powder particles into a softer matrix ...
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Nickel and nickel oxide nanocrystals selectively grafting on multiwalled carbon nanotubes
... In the Figures 1, 2 and 3 the XRD pattern O- MWCNTs, NN-MWCNTs along with the calcined products of NN MWCNTs in hydrogen and Nitrogen atmosphere are shown. Two distinct diffraction peaks for graphitic structure at 2 θ = ...
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The design and control of anaerobic ponds with specific reference to Western Treatment Plant
... no discernible effect of nickel on acetoclastic methanogenic activity.. Figure 5-6 Effect of nickel ion on methanogenic activity. Table 5-7 Concentrations of nickel in test vials.. conce[r] ...
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Nickel contamination of the environment
... 60% nickel. In case of nickel ore “Nickeliferous pyrrhotite” is considered as the most ample phase, because nickel is general contained in solid form ...solution nickel is generally found in ...
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Investigation of surface modification of perovskite with different catalysts
... LSGT10 with reduction pre-treatment was coated with palladium catalyst in air. However, palladium did not dissolve into the perovskite even with an extended firing time. The sample was then coated with palladium in ...
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Proposal for a Council Decision on acceptance of the terms of reference at the International Study Group on Nickel. COM (91) 337 final, 19 September 1991
... a "The Group" means the International Nickel Study Group as constituted in these Terms of Reference; b "Nickel" shall include, inter alia, scraps, wastes, and/or residues and such nickel[r] ...
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Characterization and comparison between porous anodized aluminum colored by nickel and tin deposition
... of nickel oxide, where low density of nickel content was measured and higher potential required for nickel oxidation The high absorbance of colored samples perceived as a promised surfaces for ...
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