Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
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Chapter 5.7, Problem 4KCP
To determine
Draw a typical Arrhenius plot of log10 of the reaction rate versus reciprocal absolute temperature, and indicate the slope of the plot. What is the physical meaning of the slope.
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Chapter 5 Solutions
Foundations of Materials Science and Engineering
Ch. 5.7 - Prob. 1KCPCh. 5.7 - Write an equation for the number of vacancies...Ch. 5.7 - Prob. 3KCPCh. 5.7 - Prob. 4KCPCh. 5.7 - Describe the substitutional and interstitial...Ch. 5.7 - Prob. 6KCPCh. 5.7 - What factors affect the diffusion rate in solid...Ch. 5.7 - Write the equation for Ficks second law of...Ch. 5.7 - Prob. 9KCPCh. 5.7 - Prob. 10KCP
Ch. 5.7 - (a) Calculate the equilibrium concentration of...Ch. 5.7 - Prob. 12AAPCh. 5.7 - Determine the diffusion flux of zinc atoms in a...Ch. 5.7 - The diffusion flux of copper solute atoms in...Ch. 5.7 - Prob. 15AAPCh. 5.7 - Prob. 16AAPCh. 5.7 - Prob. 17AAPCh. 5.7 - A gear made of 1020 steel (0.20 wt% C) is to be...Ch. 5.7 - Prob. 19AAPCh. 5.7 - The surface of a steel gear made of 1020 steel...Ch. 5.7 - Prob. 21AAPCh. 5.7 - If boron is diffused into a thick slice of silicon...Ch. 5.7 - Prob. 23AAPCh. 5.7 - Prob. 24AAPCh. 5.7 - Prob. 25AAPCh. 5.7 - Prob. 26AAPCh. 5.7 - Prob. 27AAPCh. 5.7 - Prob. 28AAPCh. 5.7 - Prob. 29AAPCh. 5.7 - Prob. 30AAPCh. 5.7 - The diffusivity of copper atoms in the aluminum...Ch. 5.7 - Prob. 32AAPCh. 5.7 - Prob. 33SEPCh. 5.7 - Prob. 34SEPCh. 5.7 - Prob. 37SEPCh. 5.7 - Prob. 38SEPCh. 5.7 - The activation energy of nickel atoms in FCC iron...Ch. 5.7 - Prob. 40SEPCh. 5.7 - The self-diffusion of iron atoms in BCC iron is...Ch. 5.7 - Would you expect the diffusion rate of copper...Ch. 5.7 - Would you expect the diffusion rate of copper...Ch. 5.7 - Prob. 44SEPCh. 5.7 - Prob. 45SEPCh. 5.7 - Prob. 46SEPCh. 5.7 - Prob. 47SEPCh. 5.7 - Prob. 48SEPCh. 5.7 - Prob. 49SEPCh. 5.7 - Prob. 50SEP
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- Using the following information: ·A binary system of A and B metallic elements, which are partially soluble in the solid state. • Consider linear solidus, liquidus, solvus lines. • The melting point of element A is 1000 °C and the melting point of element B is 1250°C. • The system has a eutectic reaction which occurs at 750°C, at a composition of CE: 25 wt% A. · The solid solution formed in A rich region a; the maximum solid solubility of B in a is 7%wt at eutectic temperature and drops to 3%wt at room temperature. • The solid solution formed in B rich region is B; the maximum solid solubility of A in B is 5%wt at eutectic temperature and drops to 0%wt at room temperature. (d) Calculate the mass fractions of the two solids for the alloy with a composition of 50%wt A-50%wt B just below eutectic temperature.arrow_forwardUsing the following information: ·A binary system of A and B metallic elements, which are partially soluble in the solid state. • Consider linear solidus, liquidus, solvus lines. • The melting point of element A is 1000 °C and the melting point of element B is 1250°C. • The system has a eutectic reaction which occurs at 750°C, at a composition of CE: 25 wt% A. · The solid solution formed in A rich region a; the maximum solid solubility of B in a is 7%wt at eutectic temperature and drops to 3%wt at room temperature. • The solid solution formed in B rich region is B; the maximum solid solubility of A in B is 5%wt at eutectic temperature and drops to 0%wt at room temperature. (b) Name all regions within the phase diagram.arrow_forwardProblem 1 A 30 wt% Sn-70 wt% Pb alloy is heated to a temperature within the aliquid phase region. If the mass fraction of each phase is 0.5, estimate: (a) The temperature of the alloy (b) The compositions of the two phases 300 100 327€ (PH) 20 wit 18.3 40 20 183°C 4.8 Composition Lik 61.9 80 232°C 97.8 100 1000 500 1400 300 200 -100 Problem 2 An alloy of composition 80 wt% Sn-20 wt% Pb is slowly cooled from the melt to the temperature 182°C, just below the eutectic temperature. a) Determine the mass fraction of the a phase. b) Determine the mass fraction of the eutectic structure. 0 300 200 100 % 327°C (Pb) a.L 18.3 40 T 20 Composition at S 60 T 183C 40 Liquid 61.9 60 Composition (wt% Se RO 2+2 80 2820 97 A 100 4600 1500 400 H300 & 200 -100 T 100 (SA) Problem 3 A plain carbon-steel alloy of composition 98.6 wt% Fe and 1.4 wt% C is cooled to the temperature 720°C, just below the eutectoid temperature. a) Make a schematic sketch of the microstructure, label all phases, and indicate their…arrow_forward
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Extent of Reaction; Author: LearnChemE;https://www.youtube.com/watch?v=__stMf3OLP4;License: Standard Youtube License