Browsing Diffusion Data by Title

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Browsing Diffusion Data by Title

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  • 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 ...
  • Rowland, T. J.; Fradin, F. Y. (2013-10-01)
    Using a radio‐frequency field pulse technique which enables measurement of slow atomic diffusion by means of nuclear magnetic resonance we have obtained, for nominally 6–9's pure Al, an activation energy for self‐diffusion ...
  • Beyeler, M.; Adda, Y. (2014-01-19)
    Self-diffusion of gold, copper and aluminium has been investigated for single crystals treated under pressures of 0 to 10 kbars in a temperature range of 700 °C to 990 °C for copper and gold and 400-610 °C for aluminium. ...
  • Messer, R.; Dais, S.; Wolf, D. (2014-01-19)
  • 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 ...
  • Volin, T. E.; Balluffi, R. W. (2014-01-20)
    The annealing kinetics of voids in 99.9999 wt% pure aluminum were studied over the temperature range 85 to 209 °C in thin specimens by transmission electron microscopy. The isothermal shrinkage of individual voids was ...
  • Moon, Kil-Won; Campbell, Carelyn; Williams, Maureen; Boettinger, William (2016-04)
    Diffusion couple experiments between various Co-rich face centered cubic (FCC) alloys in the Co-W-Al ternary system have been conducted at 900 °C and 1000 °C. Diffusion coefficients have been extracted for the Co-W binary ...
  • Askill, J. (2013-07-08)
    Self diffusion of Cr-51 in pure chromium, Cr +20 wt% Ni, Cr +44wt% Ni, and Cr +65%wt Ni has been measured over the temperature ranges of 1000 to 1900, 1000 to 1525, and 900 to 1350 degrees C, respectively.
  • Askill, J.; Tomlin, D. H. (2013-07-08)
    Self-diffusion measurements have been made in the temperature range 1000 degrees c to 1550 degrees c in order to resolve some uncertainties arising from previously published data from several separate investigations covering ...
  • Mundy, J. N.; Tse, C. W.; McFall, W. D. (2013-07-03)
    The diffusion of "Cr in chromium has been measured between 1100 and 1820'C, and the data fit the Arrhenius relation D = 970exp(—104000/R T) cm'sec '. Isotope-effect measurements, using isotopes "Cr and "Cr, have been ...
  • Mundy, J. N.; Hoff, H. A.; Pelleg, J.; Rothman, S. J.; Nowicki, L. J.; Schmidt, F. A. (2013-07-03)
    Self-diffusion in chromium single crystals has been measured over the temperature range 1073 to 1446 K. These data, when combined with earlier measurements from this laboratory over the. range 1370—2090 K, yield a plot ...
  • Paxton, H. W.; Gondolf, E. G. (2013-07-08)
    Measurement of the radioactivity of the surface reduced by partial diffusion of the radioactive chromium as well a measurement of the radioactivity after gradual working off of thin surface films, after coating radioactive ...
  • 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 ...
  • Campbell, Carelyn; Zhao, J-C; Henry, M. F. (2014-04-02)
    Four Ni-base superalloy diffusion couples with multiphase regions were studied. The diffusion couples contained single-phase (gamma ), two phase( gamma +MC carbide) and three-phase ( gamma + gamma prime+MC carbide) ...
  • 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) ...
  • Tiwari, GP; Hirano, Ken-ichi (2013-07-03)
    It has been observed that the metals which exhibit anomalous diffusion behaviour are all allotropic in nature. A hypothesis to rationalise this interrationship between the diffusion behaviour and the phase transformation ...
  • Combronde, J.; Brebec, G. (2013-08-09)
    The self-diffusion of magnesium along the c-axis and perpendicular to it has been investigated in the temperature range from 500 to 630 C.
  • Shewmon, P. G.; Rhines, F. N. (2013-08-09)
    The determination of the self-diffusion coefficient of magnesium has been made possible recently by discovery of a radioactive isotope, Mg-28 having a half-life of 21.3 hr, and subject to manufacture in useful quantity.
  • Pavlinov, L. V.; Gladyshev, A. M.; Bykov, V. N. (2013-08-29)
    It is found that the parameters of self-diffusion and carbon diffusion in calcium are in good agreement with the general regularities for self-diffusion in pure metals and interstitial impurity diffusion in metals with a ...
  • 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 ...

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