Question: The self-diffusion coefficient in Al (fcc; a = 4.05 ) at 600 K is DAI= 2x10-16 m/s. -1 S Assuming an atomic vibration frequency v=

The self-diffusion coefficient in Al (fcc; a = 4.05 Å) at 600 K is

DAI= 2x10-16 m/s. -1 S Assuming an atomic vibration frequency v = 4103 s and an activation energy for hopping

DAI= 2x10-16 m/s. -1 S Assuming an atomic vibration frequency v= 4103 s and an activation energy for hopping A* Gm = 58 kJ/mol, calculate the site fraction of Al vacancies.

Step by Step Solution

★★★★★

3.31 Rating (151 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The vacancy fraction v Al will appear in the siteavailability term p avail of Equation 310 For ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Solid State Materials Chemistry Questions!

A price charged for a component by the selling division to the buying division of the same company is called a(n) a. transfer price. b. economic value added. c. market price. d. cost-based price. e....

A solid sphere of 1 m diameter at 600 K is kept in an evacuated equilateral triangular enclosure (a tetrahedron) whose side length is L. Note that for the sphere to touch the tetrahedrons surfaces,...

Carbon diffuses in iron via an interstitial mechanism-for FCC iron from one octahedral site to an adjacent one. In Section 4.3 (Figure 4.3a), we note that two general sets of point coordinates for...

Can someone help me with the answers i got wrong? 4. The diffusion coefficients for several species are shown in the figure at the right. Using the figure, please determine the self-diffusion...

The activation energy for bulk self - diffusion of C u is approximately 2 1 0 k J m o l . Estimate the activation energy of C u diffusion along grain boundaries when the deviation from the high -...

The activation energy for bulk self-diffusion of Cu is approximately 210 kJ/mol. Estimate the activation energy of Cu diffusion along grain boundaries when the deviation from the high-temperature...

Consider the following oxidation data for oxidation of cobalt to CoO : (a) Convert the weight-based parabolic rate constant kw to the thickness-based parabolic rate constant kp in units of cm2s1 (b)...

please answer and cite sources for literarure values used 9. Estimate the molecular radius of acetone, using the literature values of its self-diffusion coefficient (D) and dynamic viscosity (n)....

Element X has an FCC crystal structure with lattice parameter a = 3.6 . The self-diffusion coefficient of X is given as D= ) = 0.2 exp 197100 RT cm .s-7, where R= 8.314 J mol-1. K-1 Assume X...

Answers a) 166500 J/mole = 1.725 eV/atom b) 1.95 eV 3.9 The accompanying graph shows the self-diffusion coefficient for Na+in an NaCl crystal doped with CdCl2.NaCl is believed to form Schottky...

The National Association of Realtors reports that the median price of an existing single-family home in Denver, Colorado, is $225,100 and the median price of an existing single-family home in...

(Multiple choice) (1) When a cathode-ray tube is placed horizontally in a magnetic field that is directed vertically upward, the electrons emitted from the cathode follow one of the dashed paths to...

Explain why you would be more or less willing to buy a share of Microsoft stock in the following situations: LOADING... Part 2 You would be willing to buy a share of Microsoft stock if your wealth...

7.4 What information is included in the capital asset budget?

For each of the following compounds, determine whether the two protons shown in red are homotopic, enantiotopic, or diastereotopic: (a) (b) (c) (d) (e) Discuss. OMe . CI H,

Deduce the structure of a compound with molecular formula C 5 H 10 O that exhibits the following IR, 1 H NMR, and 13 C NMR spectra. Data from the mass spectrum are also provided. 100 Mass Spec. Data...

Consider the structure of N,N-dimethylformamide (DMF): We might expect the two methyl groups to be equivalent; however, both the proton and carbon NMR spectra of DMF show two separate signals for the...

Hunter Sailing Company exchanged an old sailboat for a new one. The old sailboat had a cost of $160,000 and accumulated depreciation of $100,000. The new sailboat had an invoice price of $270,000....

Anne orally promises Judy that in return for Judy washing Anne's dog, Anne unconditionally promises to pay Judy $50 the next Wednesday. Is a contract formed, is it negotiable, and why or why not?

(3 pts.) Your uncle tells you that he thinks Dynamic Electron Inc. is a great buy because it offers a return of 10% with a variance of only 0.02, making the stock's risk far lower than its return....