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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 23 (1988), S. 3480-3484 
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Interest is focused on the segregation and clustering behaviour of iron atoms in fcc Cu100−x−yAuxFey, alloys (x=6 to 50.7 at%, y=0.2 to 1.0 at%) of three different metallurgical states: as-rolled, fast-quenched and melt-spun. The gold concentration was varied to assess the effect of change in lattice parameter. Mössbauer spectroscopy has been used to examine iron clusters and phases in samples as functions of annealing temperature and time. The development of f c c γ-Fe, segregates with increasing annealing time at temperatures around 410° C has been monitored and the Néel temperature of the antiferromagnetic γ-Fe precipitates as well as their particle size determined, the latter by transmission electron microscopy. The increase in isomer shift with increasing gold concentration is accounted for mainly by changes in atomic volume.
    Type of Medium: Electronic Resource
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