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The optical properties of nickel, iron, and nickel-iron alloys in the vacuum ultra-violetMoravec, Thomas Joseph, January 1975 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 167-175).
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Anodic polarization behavior of iron-nickel alloys in sulfuric acid solutions /Economy, George January 1960 (has links)
No description available.
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The planar hall effect in thin foils of Ni-Fe alloy丘健倫, Yau, Kin-lun. January 1968 (has links)
published_or_final_version / Physics / Master / Master of Science
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Calculation of magnetocrystalline anisotropySchneider, Gunter 20 January 1999 (has links)
The magnetocrystalline anisotropy energy (MAE) for fcc Ni and bcc Fe is calculated as the difference of single particle energy eigenvalue sums using a tight-binding model. For nickel we predict a MAE of -0.15 eV and the wrong easy axis, for iron we find a MAE of -0.7 eV with the easy axis in agreement with experiment. Our results compare favorably with previously reported first-principles calculations based on density functional theory and the local spin density approximation. The inclusion of an orbital polarization correction improves the magnitude of the MAE for iron, but fails to bring the result for nickel closer to the experimental value. The outstanding feature of our calculations is the careful handling of the necessary Brillouin zone integrals. Linear interpolation schemes and methods based on Fermi surface smearing were used and analyzed. An alternative method of calculating the MAE based on the torque on a magnetic moment centered on an atom is found to be equivalent to the calculation of the MAE in terms of energy differences. / Graduation date: 1999
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The planar hall effect in thin foils of Ni-Fe alloy.Yau, Kin-lun. January 1968 (has links)
Thesis (M. Sc.)--University of Hong Kong, 1968. / Mimeographed.
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The planar hall effect in thin foils of Ni-Fe alloyYau, Kin-lun. January 1968 (has links)
Thesis (M.Sc.)--University of Hong Kong, 1968. / Also available in print.
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Alloying effects of silicon and nickel on iron in the earth's core /Lin, Jung-Fu. January 2002 (has links)
Thesis (Ph. D.)--University of Chicago, Dept. of the Geophysical Sciences, June 2002. / Includes bibliographical references. Also available on the Internet.
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Tools for flexible electrochemical microfabrication /Wang, Weihua, January 2002 (has links)
Thesis (Ph. D.)--University of Washington, 2002. / Vita. Includes bibliographical references (leaves 100-118).
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The interaction of HVEM generated point-defects with dislocations in Fe-Ni-Cr alloysKing, Simon L. January 1990 (has links)
The climb of dissociated dislocations in FCC materials is known to be complex: Observations of climb under HVEM irradiation in CuAl suggest that it, proceeds via the nucleation of interstitial loops directly onto individual partials. In silver, however, dissociated dislocations appear to constrict at an early stage in the irradiation, and dense vacancy cluster damage is seen to form in their vicinity. This thesis presents results and analysis of a study aimed at the determination of the interaction of HVEM generated interstitials and vacancies with pre-existing dislocations in a range of Fe-17Cr-Ni ternary alloys (with the nickel content varying between 15 and 40%). Two quaternary alloys (Fe-15%Ni-17%Cr-l%Si and Fe-15%Ni-17%Cr-2%Mo) arc also studied. As with earlier studies in CuAl and Ag, pre-existing dislocations in a (111) orientated foil were first characterized at subthreshold voltages employing the weak-becim technique, then irradiated with IMeV electrons at temperatures in the range 400-430°C and finally returned to the low voltage microscope for postirradiation characterization of the observed damage. Analysis of the post-irradiation microstructures indicates that interstitial climb only occurs at particularly favourable sites, such as pre-existing jogs: For the ternary alloys, constrictions are removed along edge and mixed dislocations, whilst zig-zagging of screw and near-screw dislocations may also be attributable to jog climb. After the annihilation of constrictions evidence of climb is not seen and pipe diffusion is thought to be occurring. The precipitation of small clusters, many of which are identifiable as vacancy SFT, is reminiscent of observations in silver. The addition of silicon to the matrix apparently leads to the creation of favourable sites for interstitial climb, as evidenced by the formation of high densities of new jogs after irradiation. Loops are seen to precipitate close to dislocations in the Mo-doped material. The origin of these loops is unclear at this stage. The relevance of the results to the phenomenon of void swelling is discussed.
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Polarization characteristics of high-purity iron-rich iron-chromium-nickel alloys in sulfuric acid solutions /Beauchamp, Richard Lawrence January 1966 (has links)
No description available.
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