Diffusion of Refractory Elements in Ternary Iron Alloys

Abstract:

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Interdiffusion coefficients of the refractory elements in Fe-W-Re and Fe-Cr-X (X=Mo, W) ternary alloys have been measured on the basis of the modified Boltzmann-Matano method for ternary system. Both the cross interdiffusion coefficients, Fe ReW ~D and Fe WRe ~D were negative in Fe-W-Re ternary alloys. This result indicates that attractive interaction exists between W and Re atoms in iron alloys [1]. This is consistent with our previous experimental results that Re suppresses W diffusion in Fe-15Cr alloy [1]. In addition, the value of cross interdiffusion coefficient Fe CrW ~D was positive in Fe-Cr-W diffusion system, whereas Fe MoCr ~D was negative in Fe-Cr-Mo diffusion system.

Info:

Periodical:

Defect and Diffusion Forum (Volumes 273-276)

Edited by:

Andreas Öchsner and Graeme E. Murch

Pages:

746-751

DOI:

10.4028/www.scientific.net/DDF.273-276.746

Citation:

K. Yamashita et al., "Diffusion of Refractory Elements in Ternary Iron Alloys", Defect and Diffusion Forum, Vols. 273-276, pp. 746-751, 2008

Online since:

February 2008

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Price:

$35.00

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