Now showing items 21-27 of 27

    • Self-Diffusion and fast cobalt impurity diffusion in the bulk and in grain boundaries of hexagonal titanium 

      Herzig, Christian; Willecke, Ralf; Vieregge, Klaus (2013-07-03)
      Bulk Self-Diffusion was measure in alpha-Titanium single crystals between 776 and 1132 K using the radiotracer Ti44 and ion beam sputtering for profile sectioning.
    • DIFFUSION OF Ti44 AND V48 IN TITANIUM 

      Murdock, J. F.; Lundy, T.S; Stansbury, E.E (2013-07-03)
      The diffusion of Ti44 and V48 in the b.c.c. phase of iodide titanium has been studied over the temperature range 909-1550°C. The resulting Arrhenius-type plots show curvature with the apparent activation energies and ...
    • Ni Self-Diffusion 

      Maier, K; Mehrer, H; Lessmann, E; Schüle, W (2013-06-26)
      Self-diffusion in nickel single crystals is measured between 813 and 1193 K using ion-beam sputtering as a microsectioning technique. Gaussian activity-depth profiles are observed over about three orders of magnitude in ...
    • Mg-Al Interdiffusion and Phase Growth Kinetics 

      Kulkarni, Kaustubh N.; Luo, Alan A. (2013-05-07)
      Binary interdiffusion data as functions of composition in the Mg-Al system are essential in modeling kinetics of phase transformations in multicomponent Mg and Al alloys. Interdiffusion and phase growth kinetics were studied ...
    • Interdiffusion in the Mg-Al System and Intrinsic Diffusion in beta-Mg2Al3 

      Brennan, Sarah; Bermudez, Katrina; Kulkarni, Nagraj S.; Sohn, Yongho (2013-05-07)
      Solid-to-solid diffusion couples were assembled and annealed to examine the diffusion between pure Mg (99.96 pct) and Al (99.999 pct). Diffusion anneals were carried out at 573 K, 623 K and 673 K (300 C, 350 C and 400 C) ...
    • Al Impurity Diffusion in Mg 

      Brennan, Sarah; Warren, Andrew P.; Coffey, Kevin R.; Kulkarni, Nagraj; Todd, Peter; Kilmov, Mikhail; Sohn, Yongho (2013-05-07)
      The diffusion of Al in polycrystalline Mg (99.9%) was studied via depth profiling with secondary ion mass spectrometry in the temperature range of 573-673 K, utilizing the thin film method and thin film solution to the ...
    • Al-Co, Co-Fe Diffusion Mobilities, Ni/Rene88, IN718/Rene88 

      Campbell, Carelyn E.; Zhao, J-C.; Henry, M. F. (2013-05-05)
      A multicomponent diffusion mobility database for the Ni-rich fcc phase [2002Cam] is evaluated by comparing diffusion simulations to two experimental multicomponent Ni-base superalloy diffusion couples: Ni/Rene´-88 and ...