Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Question
Chapter 5.7, Problem 28AAP
To determine
The diffusivity
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Presents the diagram of the problem, necessary formulas, clearance and numerical solution:
How much heat must be applied to a 12-kg bar of silver to raise its temperature from 22°C to 90°C?
P.3
The diffusivity of manganese atoms in the FCC iron lattice is 1.50 x 10-14 m²/s at
1300°C and 1.50 x 10-15 m²/s at 400°C. Calculate the activation energy in kJ/mol
for this case in this temperature range. Data: R= 8.314 J/(mol-K).
Given that a component is made of 0.1 wt.%C steel is carburized by introducing 1.0 wt.% carbon at its surface at 980ºC. Calculate the carbon content at 0.5 mm below the surface of this component after 1 hour.Do= 0.2 cm^2/s and Qd=40,000 cal/mol.
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
Knowledge Booster
Similar questions
- What is the volume of 3.00 moles of copper? Molar mass of copper is 63.546 g/mol and its density is 8.9 x 103 kg/m3.arrow_forwardWater in a 127 mm diameter, 3 m long tank cools from 930C to 88 oC in 75 minutes. The ambient temperature is 24 oC. How long will it take for the water to cool from 930C to 520C? [Hint: Use lumped analysis]arrow_forwardGiven the following: Cp of Br: 0.226 J/g-K BP of Br: 59 deg C density of Br: 3.12 g/mL Hvap of Br: 30,900 J/mol V of liquid Br solution: 50 mL Cp of Br2: 0.473 J/g-K What is the total heat required in heating Br from 25 to 75 deg C?arrow_forward
- Calculate the residual molar entropy for molecular crystals of 1,3,5-Trichlorobenzenearrow_forwardwhat is the delta H of 40 g of silver dropping from 300 K to 270 K? c = 0.25arrow_forwardempt in Progress Calculate the number of Frenkel defects per cubic meter in zinc oxide at 939°C. The energy for defect formation is 2.51 eV, while the density for ZnO is 5.55 g/cm³ at this temperature. The atomic weights of zinc and oxygen are 65.41 g/mol and 16.00 g/mol, respectively. N₁= 6.5e17 defects/m³ M Qu Mult Ques Multinarrow_forward
- Common aluminum foil for household use is nearly pure aluminum. A box of this product at a local supermarket is advertised as giving 75 ft°of material (in a roll 304 mm wide by 22.8 m long). If the foil is 0.5 mil (12.7 µm) thick, calculate the number of atoms of aluminum in the roll. Given: Density of Aluminum: p= 2.7 Mg/m³ Molar mass of Aluminum: MAI= 26.98 g/mol Avogadro's Number: AN = 0.6203 (10)²ªarrow_forwardConsider de-oxidation by the addition of ferromanganese (60 percent Mn) to molten steel at 1600°C.The initial oxygen content is 0.04 wt%. It has to be brought down to 0.02 wt%. Calculate the quantity of ferromanganese required per tonne of steel. The manganese content of steel before de- oxidation is 0.1 wt%. (MnO) + [Fe] = [Mn] + (FeO) Given: K Mn at 1873 K = 0.4 K Fe-Mn at 1873 K = 0.156 Assumptions: Fe and Mn form ideal solutionsarrow_forwardQuestion 1Helium gas is contained in a cylinder by a gas-tight piston which can beassumed to move without friction. The gas occupies a volume of 1 x 10^-3m^3 temperature of 300K and a pressure of 1 x 10^5 Pa.(a) Calculate :i.the number of helium atoms in the container,ii.the total KE of the helium atoms(b) Energy is now supplied to the gas in such a way that the gas expands andthe temperature remains constant at 300K. State, and explain what changes, if any, will have occurred in the following quantities :i. The internal energy of the gasii. The root-mean-square speed of the helium atomsiii. The density of the gas.(Given : Boltzmann's constant = 1.38 x 10^23 JK^-1)arrow_forward
- In an electrochemical cell, a metal anode lost 0.227 g while a total volume of 0.08149 L of hydrogen gas was produced. The temperature was 298 K and the barometric pressure was 745.4 mm Hg. At 298 K, the vapor pressure of water is 23.8 mm Hg. How many moles of hydrogen gas were collected?arrow_forwardAn optical fiber for telecommunication is made of SiO2 glass with a density of 3.2 (g/cm3). Given a 8 mm long and 10 µm diameter fiber. Calculate the number of atoms of Si in the fiber. Given: Avogadro's Number NA = 0.6023 x 1024 (atoms/mole) Molar mass: M(Si)=28.09 g/mole • M(0)=16 g/mole Select one: a. N(si atoms)=2.0153× 1016 b. N(Si atoms)=1.558 × 1016 C. N(Si atoms)=3.464x 1015 d. N(si atoms)=5.195 x 1012 e. N(Si atoms)=5.195 x 1015arrow_forwardSteady-state creep rate data are given here for some alloy taken at 200°C (473 K): i és (h-¹) 2.2 x 10-3 h-1 2.5 x 10-2 o (MPa) 56 If it is known that the activation energy for creep is 130000 J/mol, compute the steady-state creep rate at a temperature of 230°C (503 K) and a stress level of 50 MPa. 70arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University Press
Mechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSON
Thermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEY
Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning
Engineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
Elements Of Electromagnetics
Mechanical Engineering
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:9780134319650
Author:Russell C. Hibbeler
Publisher:PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:9781259822674
Author:Yunus A. Cengel Dr., Michael A. Boles
Publisher:McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:9781118170519
Author:Norman S. Nise
Publisher:WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:9781118807330
Author:James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:WILEY