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 SystemsSoluteCarbonCarbonIronIronNickelManganeseZincCopperCopperSilverCarbonSolventFcc ironBcc ironFcc ironBcc ironFcc ironFcc ironCopperAluminumCopperSilverHcp titaniumDo (m²/s)20 × 10-6220 × 1022 × 10-6200 × 10-677 x 10-635 × 10-634 x 10-615 × 10-620 × 10-640 × 10-6511 x 10-6Q(kJ/mol)142122268240280282191126197184182Q(kcal/mol)34.029.364.057.567.067.545.630.247.144.143.5aSee 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.

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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)