An experiment is conducted to determine the variation of the diffusion coefficient as a function of temperature when carbon is diffused into BCC iron. The diffusion coefficient is measured at two different temperatures and is given by Temp (°C) D (m²is. 141 5.7 x 10 12 580 2.9x 10 10

Introduction to Chemical Engineering Thermodynamics
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Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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An experiment is conducted to determine the variation of the diffusion coefficient as a
function of temperature when carbon is diffused into BCC iron. The diffusion
coefficient is measured at two different temperatures and is given by
Temp (°C)
D (m?/s)
141
5.7 x 10 12
580
2.9 x 10 10
Calculate the diffusion coefficient D (mf/s) at a temperature of 317 C by fitting the
data to
RT
D= Do e
Transcribed Image Text:An experiment is conducted to determine the variation of the diffusion coefficient as a function of temperature when carbon is diffused into BCC iron. The diffusion coefficient is measured at two different temperatures and is given by Temp (°C) D (m?/s) 141 5.7 x 10 12 580 2.9 x 10 10 Calculate the diffusion coefficient D (mf/s) at a temperature of 317 C by fitting the data to RT D= Do e
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