For a carburization process is carried out in gamma (ꝩ)-Fe at an unknown temperature. The diffusion coefficient at that temperature is measured to be 1.73x10-11 m2/s. What is the carburization temperature in degree C? (reference data are provided in the Table 1, (Hint: find the relevant data from the table) **Diffusivity Data for a Number of Metallic Systems**| Solute | Solvent | \( D_0 \) (m\(^2\)/s) | \( Q \) (kJ/mol) | \( Q \) (kcal/mol) ||-----------|--------------|------------------|----------------|-----------------|| Carbon | Fcc iron | \( 20 \times 10^{-6} \) | 142 | 34.0 || Carbon | Bcc iron | \( 220 \times 10^{-6} \) | 122 | 29.3 || Iron | Fcc iron | \( 22 \times 10^{-6} \) | 268 | 64.0 || Iron | Bcc iron | \( 200 \times 10^{-6} \) | 240 | 57.5 || Nickel | Fcc iron | \( 77 \times 10^{-6} \) | 280 | 67.0 || Manganese | Fcc iron | \( 35 \times 10^{-6} \) | 282 | 67.5 || Zinc | Copper | \( 34 \times 10^{-6} \) | 191 | 45.6 || Copper | Aluminum | \( 15 \times 10^{-6} \) | 126 | 30.2 || Copper | Copper | \( 20 \times 10^{-6} \) | 197 | 47.1 || Silver | Silver | \( 40 \times 10^{-6} \) | 184 | 44.1 || Carbon | Hcp titanium | \( 511 \times 10^{-6} \) | 182 | 43.5 |*Note: See Equation 5.13.***Source:** Data from L. H. Van Vlack, *Elements of Materials Science and Engineering*, 4th ed., Addison-Wesley Publishing Co., Inc., Reading, MA, 1980.---This table presents diffusivity data for various solute-solvent combinations in metallic systems. The parameters provided include the diffusion pre-exponential factor \( D_0 \

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Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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For a carburization process is carried out in gamma (ꝩ)-Fe at an unknown temperature. The diffusion coefficient at that temperature is measured to be 1.73x10-11 m2/s. What is the carburization temperature in degree C? (reference data are provided in the Table 1, (Hint: find the relevant data from the table)