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During a carburization process for the surface treatment of steel, how much processing time in minutes is needed to increase the carbon content at 0.4% up to 0.85% at (a) 0.5 mm and (b) 1 mm below the surface? Assume carbon content at the surface is 0.95 % and steel inside has background carbon of 0.1% and diffusivity is 1.1 x 10-¹3 m²/s.

During a carburization process for the surface treatment of steel, how much processing time in minutes is needed to increase the carbon content at 0.4% up to 0.85% at (a) 0.5 mm and (b) 1 mm below the surface? Assume carbon content at the surface is 0.95 % and steel inside has background carbon of 0.1% and diffusivity is 1.1 x 10-¹3 m²/s.

Introduction to Chemical Engineering Thermodynamics
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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1. During a carburization process for the surface treatment of steel, how much processing time in minutes is needed to increase the carbon content at 0.4% up to 0.85% at (a) 0.5 mm and (b) 1 mm below the surface? Assume carbon content at the surface is 0.95 % and steel inside has background carbon of 0.1% and diffusivity is 1.1 x 10-13 m²/s.
Transcribed Image Text:1. During a carburization process for the surface treatment of steel, how much processing time in minutes is needed to increase the carbon content at 0.4% up to 0.85% at (a) 0.5 mm and (b) 1 mm below the surface? Assume carbon content at the surface is 0.95 % and steel inside has background carbon of 0.1% and diffusivity is 1.1 x 10-13 m²/s.
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