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  • Articles  (3)
  • 64  (3)
  • Springer  (3)
  • 1980-1984  (3)
  • 1982  (3)
  • Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics  (3)
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  • Articles  (3)
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Keywords
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  • Springer  (3)
Years
  • 1980-1984  (3)
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  • Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics  (3)
  • Physics  (3)
  • 1
    Electronic Resource
    Electronic Resource
    The activation energy of crystallization of amorphous Fe40Ni40P14B6 (1982)
    Springer
    Applied physics 28 (1982), S. 137-144 
    Details
    ISSN: 1432-0630
    Keywords: 61.40 ; 64 ; 66 ; 75.30
    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 isothermal crystallization of Fe40Ni40P14B6 (Metglas 2826) has been studied by transmission electron microscopy, using static observations of partially crystallized ribbons at room temperature and in situ dynamic registration of the crystallization process at elevated temperatures. At all temperatures crystallization takes place by the nucleation and growth of individual crystals. Analysis of the transformation kinetics allowed to determine the nucleation rates and the activation energy for crystal growth. The growth velocity of the crystal phase was found to be controlled by the diffusion coefficient of phosphorus in this alloy withD 0=2.5×1010±1cm{swu2}/s andQ=(3.4±0.15)eV.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00617145
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Effect of intensity modulation on radiation-induced melting and vaporization of solids (1982)
    Springer
    Applied physics 27 (1982), S. 121-124 
    Details
    ISSN: 1432-0630
    Keywords: 64 ; 43
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Linear response of steady-state melting and of evaporation processes to the modulation of radiation intensity is considered in the framework of a Stephan-like approach. It is shown that resonance behaviour of the surface temperature pertinent to the evaporation process persists in the case where the evaporation front is preceded by a melting transition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00615814
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  • 3
    Electronic Resource
    Electronic Resource
    A TEM study of crystal and domain structures of Nb-Doped 95/5 PZT ceramics (1982)
    Springer
    Applied physics 29 (1982), S. 237-244 
    Details
    ISSN: 1432-0630
    Keywords: 61.10 ; 64 ; 68.55 ; 77.80
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract 95/5 PZT ceramics with compositions of Pb(Zr1−x Ti x )3+1 wt% Nb2O5 (x=0.025 and 0.04) are studied with TEM. The coexistence of both ferroelectric (F) and antiferroelectric (AF) phases in one ceramic grain at room temperature is confirmed for these two compositions. The AF phase is mainly tetragonal, while a pseudo-cubic arrangement of AF polarization is also possibly present. When the Ti4+ concentration is increased, the F phase becomes predominant. Direct interfaces between F and AF domains can be observed, the former expands at the expense of the latter when bombarded by 200 keV electrons.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00615074
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