Abstract
The diffusion coefficients of chromium in 11 Ni/18 Cr stainless steel (AISI 329) were determined over a temperature range of 1050-1150°C as a sudy of the 1st stage on the diffusion coating of electroplated chromium.The results obtained were summarized as follows (in the unit of cm2/sec.):1050°C D=7.91×10-10(0.39 Cr)-2.55×10-11(0.80 Cr)1100°C D=6.32×10-10(0.45 Cr)-2.11×10-11(0.90 Cr)1150°C D=2.73×10-9(0.35 Cr)-4.50×10-11(0.91 Cr)The results nearly corresponded with those obtained in Fe-Cr system. Therefore, the chromium diffusion in 11 Ni/18 Cr stainless steel would be assumed to be approximately equal to the diffusion of Fe-Cr system.
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