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  • Chemistry  (1)
  • PACS: 68.55.-a; 61.82.Bg  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Amorphization of Fe/Al: bulk and thin-film effects (2000)
    Springer
    Applied physics 71 (2000), S. 47-54 
    Details
    ISSN: 1432-0630
    Keywords: PACS: 68.55.-a; 61.82.Bg
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract. The amorphous non-equilibrium state of the system Fe/Al is studied in bulk and thin-film systems. For bulk samples prepared by ion-beam mixing of laser-deposited multilayers, a bcc solid solution is found for alloys with up to 70 at. % Al. Around 75 at. % Al a Fe2Al5-like crystalline phase is found. An amorphous state with Fe2Al5-like short-range order is found for 80 at. % Al. In thin films, for example the amorphous Al-rich transition layer of a laser-deposited Fe/Al multilayer, the amorphous state can exist for up to 30 at. % Fe due to the high interfacial energy. By ion-beam mixing at low temperatures (about 140 K) an oversaturation with 40 at. % Fe can be achieved.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003390050024
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  • 2
    Electronic Resource
    Electronic Resource
    Comparative Morphology Study of Indentations in Quasicrystalline AlPdMn and Single-crystalline NiAl Investigated by Atomic Force Microscopy (1997)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 25 (1997), S. 561-568 
    Details
    ISSN: 0142-2421
    Keywords: atomic force microscopy ; quasicrystals ; NiAl ; indentation ; crack formation ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: Atomic force microscopy (AFM) was used to characterize surface modifications that developed from Vickers indentations into single-crystalline NiAl(100) and single-quasicrystalline AlPdMn (surface of fivefold symmetry). Indenter rotation was used to track the competition between crystal and indenter anisotropy. Distinct differences between the two model substances were found with respect to the lateral extension of the indentation-induced deformation zone, to crack formation, size, shape and radial extension of created structures, and volume balance between the impression and piled-up elevations.© 1997 John Wiley & Sons, Ltd.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
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