2001
DOI: 10.1007/s11661-001-0171-1
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Liquid titanium solute diffusion measured by pulsed ion-beam melting

Abstract: The diffusivities of Sn, Mo, Zr, and Hf in liquid Ti were determined by pulsed ion-beam melting of thin liquid layers. Time-resolved optical reflectance and one-dimensional heat-flow simulations were employed to determine the melt duration. The broadening of nearly Gaussian solute concentration-depth profiles was determined ex situ using Rutherford backscattering spectrometry. Solute diffusivities in the range of 5 to 9 x 10 -5 cm 2 /s were determined at temperatures in the range of 2200 to 2500 K. Calculation… Show more

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Cited by 16 publications
(9 citation statements)
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“…The differences between the predicted values of at the surface were greatest at short times and were probably associated with the slow convergence of the series solution represented by Eq. [13]. In particular, the first three or four terms in Eq.…”
Section: Concentration Profilesmentioning
confidence: 99%
See 3 more Smart Citations
“…The differences between the predicted values of at the surface were greatest at short times and were probably associated with the slow convergence of the series solution represented by Eq. [13]. In particular, the first three or four terms in Eq.…”
Section: Concentration Profilesmentioning
confidence: 99%
“…The concentration at the melt surface (x ϭ d) from Eq. [12] is [13] The integral for the flux is thus readily found to be the following: [14] A plot of the infinite series in Eq. [14] is given in Figure 1.…”
Section: Finite-domain Diffusion Solutionmentioning
confidence: 99%
See 2 more Smart Citations
“…[4,5,6] By inducing uniform melting in a shallow surface layer over a short duration, convection is effectively eliminated. Reactive contamination is also eliminated because the molten pool is contained by identical solid, while reactivity at the free surface is limited by the brief melt duration.…”
Section: Introductionmentioning
confidence: 99%