The Phase Transformation of Iron Rich Iron-Nickel Alloy in Fine Particles
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概要
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Studies on the equilibrium diagram and characteristics of phase transformation of Fe-Ni alloy in fine particles were carried out by X-ray diffraction and specific heat measurement. The specimens were prepared by reduction of solid solution Fe_xNi_<1-x>C_2O_4 in hydrogen at various temperatures below 800℃. The fine particles reduced at temperatures below 600℃ did not undergo a martensitic transformation even when they were cooled to room temperature. The diagram determined by the reduction method is in close agreement with those obtained by annealing of bulk alloys for very long periods. Therefore the diagram was easily determined because of the absence of martensitic transformation and furthermore because of the acceleration effects during reduction upon the diffusion rate. The existence of the superstructure Fe_3Ni was suggested by the specific heat measurement.
- 社団法人応用物理学会の論文
- 1962-12-15
著者
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KACHI Sukeji
Department of Chemistry, Kyoto University
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BANDO Yoshichika
Department of Chemistry, Institute for Chemical Research, Kyoto University
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HIGUCHI Seijun
Department of Chemistry, Faculty of Science, Kyoto University
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