Consider the hypothetical free?energy diagram of an ideal solution shown in Fig. 10.5. Now assume that a layer of pure metal A, is bonded to a layer of pure metal B, that 40 percent by weight of the couple is in the A metal layer, and that the atomic weights of metals A and B are 80 and 60 grams per mole, respectively. Furthermore, assume that the couple is held long enough at 500 K so that, as a result of diffusions, a homogeneous solid solution is obtained.

(a) What would be the free energy of the couple at the beginning of the diffusion anneal? Give the answer in Joules per mole.
(b) What would be the free?energy of the homogenous solid solution at the end of the diffusion anneal? Give the answer in Joules per mole.




Trades & Technology

You might also like to view...

Consider the binary data packet shown as a spreadsheet with columns indicated by letters and rows by numbers. The last row contains the LRC and there is one error. The letter-number address of the error is___.


What will be an ideal response?

Trades & Technology

Which form is used to report tax withholding?

A) Job application B) MSDS C) W-4 D) None of these

Trades & Technology

Air carbon arc cutting utilizes the same equipment as which process?

A) PAW B) SMAW C) GMAW D) Oxy-fuel

Trades & Technology

The programmable interconnect array consists of conductors that run through the CPLD chip

Indicate whether the statement is true or false

Trades & Technology