Studies on Structures of Electrodeposited Ni-Fe Alloys by Using Mossbauer Spectroscopy and X-ray Diffraction

Abstract

Abstract: Electrodeposited Ni-Fe alloys with different Fe contents have been studied by means of Mossbauer spectroscopy and X-ray diffraction technique.Those deposits containing less than 46 at% Fe, were identified as γ-phase, those containing 46 at%-63 at% Fe as α+γ phases, and those containing more than 63 at% Fe as γ-phase.Partially ordered Ni₃Fe was found to exist in deposits containing about 25 at% Fe and Fe-rich phase in the range of 35 at%-46 at% Fe.In general, the lattice parameters of γ-phase increase with Fe content increasing.However, in the deposits containing about 25 at% Fe(20 at%-30 at%) the lattice parameters decrease slightly with the increasing of Fe content, which is due to the presence of partially ordered Ni₃Fe in the deposits.The lattice parameter is almost constant in deposits with Fe content from 46 at% to 63 at%.

Key words: Electrodeposition, Ni-Fe alloy, Mossbauer spectroscopy, X-ray diffraction

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GE Fu-Yun, YAO Shi-Bing, CHEN Rong-Qin, CHEN Bing-Yi, XU Shu-Kai, ZHOU Shao-Min . Studies on Structures of Electrodeposited Ni-Fe Alloys by Using Mossbauer Spectroscopy and X-ray Diffraction[J]. Chem. J. Chinese Universities, 1993, 14(9): 1289.

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Studies on Structures of Electrodeposited Ni-Fe Alloys by Using Mossbauer Spectroscopy and X-ray Diffraction

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