Experimental investigation and computer simulation of diffusion in Pt-coated bulk Ni | Zendy

Weiyan Gong | Zendy; L. Zhang | Zendy; Machiko Ode | Zendy; Hideyuki Murakami | Zendy; Chungen Zhou | Zendy

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Experimental investigation and computer simulation of diffusion in Pt-coated bulk Ni

Author(s) -

Weiyan Gong,

L. Zhang,

Machiko Ode,

Hideyuki Murakami,

Chungen Zhou

Publication year - 2010

Publication title -

journal of mining and metallurgy section b metallurgy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.42

H-Index - 20

eISSN - 2217-7175

pISSN - 1450-5339

DOI - 10.2298/jmmb1002153g

Subject(s) - diffusion , materials science , microanalysis , electron probe microanalysis , coating , thin film , analytical chemistry (journal) , electron microprobe , thermodynamics , chemistry , metallurgy , nanotechnology , chromatography , physics , organic chemistry

The concentration profiles of thin-film Pt/bulk Ni coatings annealed at 1150, 1250 and 1300°C for different time were measured by means of electron probe microanalysis. The corresponding interdiffusion coefficients were then determined using the thin-film solution. The calculated concentration profiles based on the presently obtained interdiffusion coefficients agree well with the experimental ones, but better at a higher temperature or a longer time. The comparison between the presently measured concentration profiles and the DICTRA simulated ones indicates that it is promising to apply the well-established atomic mobility databases due to bulk diffusion information in coating systems with some simple modifications for diffusivities

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