Solution of niobium in iron during arc surfacing
- Authors: Sarychev V.D.1, Khaimzon B.B.2, Nevskii S.A.1
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Affiliations:
- Siberian State Industrial University
- Novokuznetsk Institute
- Issue: Vol 46, No 8 (2016)
- Pages: 563-566
- Section: Article
- URL: https://journals.rcsi.science/0967-0912/article/view/178927
- DOI: https://doi.org/10.3103/S0967091216080143
- ID: 178927
Cite item
Abstract
The solution of niobium in iron during arc surfacing is simulated. The model is based on diffusional dissolution of niobium particles in metals. It includes diffusion equations, initial and boundary conditions, and also the equations of motion of the boundary between the media. The diffusion coefficient in liquid iron is assumed to much exceed that in the solid solution. The solution of the Stefan diffusional problem within the solid is found as a Fourier series in terms of cosines; the solution within the liquid is found in terms of error functions. The time for the dissolution of niobium is determined. It is 10–100 s for 10-μm particles at high temperatures.
About the authors
V. D. Sarychev
Siberian State Industrial University
Author for correspondence.
Email: sarychev_vd@mail.ru
Russian Federation, Novokuznetsk
B. B. Khaimzon
Novokuznetsk Institute
Email: sarychev_vd@mail.ru
Russian Federation, Novokuznetsk
S. A. Nevskii
Siberian State Industrial University
Email: sarychev_vd@mail.ru
Russian Federation, Novokuznetsk