Experimental investigation of phase equilibria in the Ce-Fe-Ni system at 950 and 750 °C
Source abstract
Abstract
Abstract The Ce-Fe-Ni system has been experimentally studied by microstructural analysis, electron microprobe analysis and X-ray diffraction over the whole concentration range. Isothermal sections at 950 and 750 °C for this system were constructed for the first time. The phase relations at 750 °C measured in this work are different from those published for 700 °C in particular because of the identification of a new binary phase Ce5Ni19. A continuous solid solution Ce(Fe,Ni)2 (MgCu2-type structure, cF24-Fd-3m), was found at 750 °C, with mutual substitution of Fe and Ni atoms. The liquid phase is present in the system both at 950 and 750 °C. Almost all binary-based phases at these temperatures show wide homogeneity regions and possess a constant Ce content.
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Research context
OpenAlex topics: Magnetic Properties of Alloys · Rare-earth and actinide compounds · Hydrogen Storage and Materials
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