Abstract
The approximate limits of the ordered phases in the Fe-Ni-Pt system at 600° C are established; some results are also given for high nickel alloys at 475° C. Continuous solid solutions form between FePt and NiPt and between Fe3 Pt and Ni3 Pt at temperatures below the relevant critical temperatures, but not between FeNi3 and Ni3Pt. Ordering of the iron and nickel atoms was not detected in the ternary alloy Fe25 Ni25 Pt50 but two tetragonal phases were found in the alloys containing about 60 at. % Pt. The lattice parameters of alloys heat-treated at these temperatures are given.
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Stevens, G.T., Hatherly, M. & Bowles, J.S. The ordered phase fields of the iron-nickel-platinum equilibrium diagram. J Mater Sci 13, 499–504 (1978). https://doi.org/10.1007/BF00541798
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DOI: https://doi.org/10.1007/BF00541798