Question: Steady-state creep rate data are given in the following table for some alloy taken at 200C (473 K): s (h-1) __________________ ( [MPa (psi)] 2.5

Steady-state creep rate data are given in the following table for some alloy taken at 200°C (473 K):

s (h-1) __________________ ( [MPa (psi)]

2.5 × 10-3 .......................... 55 (8000)

2.4 × 10-2 ........................ 69 (10,000)

If it is known that the activation energy for creep is 140,000 J/mol, compute the steady-state creep rate at a temperature of 250°C (523 K) and a stress level of 48 MPa (7000 psi)?

Step by Step Solution

★★★★★

3.39 Rating (168 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

This problem gives values at two different stress levels and ... 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

Document Format (1 attachment)

1403-P-M-P-A-S(1957).docx

120 KBs Word File

Students Have Also Explored These Related Modern Physics Questions!

Steady-state creep rate data are given in the following table for a nickel alloy at 538(C (811 K): (2 (h-1) _____________ ((MPa) 10-7 ........................ 22.0 106 .......................... 36.1...

A series of experiments were conducted by passing 40°C air over a long 25 mm diameter cylinder with an embedded electrical heater. The objective of these experiments was to determine the power...

The steady-state kinetics of an enzyme are studied in the absence and presence of an inhibitor (inhibitor A). The initial rate is given as a function of substrate concentration in the following...

Steady-state creep rate data are given here for some alloy taken at 200C (473 K): s (h -1 ) (MPa) 2.4 10 -3 55 2.2 10 -2 70 If it is known that the activation energy for creep is 120000 J/mol,...

Steady-state creep rate data are given here for some alloy taken at 200C (473 K): 6 (h-') 2.3x 10-3 2.2x 10-2 (MPa) 56 71 If it is known that the activation energy for creep (503 K) and a stress...

This is material science pls solve both of them Steady-state creeprate data are given here for some alloy taken at 200C (473 K): g (h-2) o(MPa) 2.7 x 10-3 56 2.3 x 10-2 67 If it is known that the...

8. Steady-state creep data taken for a stainless steel at a stress level of 70 MPa (10,000 psi) are given as follows: (s1) 1.0 105 977 T (K) 2.5 103 1089 If it is known that the value of the stress...

Steady-state creep data taken for a stainless steel at a stress level of 70 MPa (10,000 psi) are given as follows: If it is known that the value of the stress exponent n for this alloy is 7.0,...

The following creep data were taken on an aluminum alloy at 480°C (900°F) and a constant stress of 2.75 MPa (400 psi). Plot the data as strain versus time, then determine the steady-state or...

The following creep data were taken on an aluminum alloy at 400°C (750°F) and a constant stress of 25 MPa (3660 psi). Plot the data as strain versus time, then determine the steady-state or...

The following histogram' shows the percentage of workers (16 and older) in each of the 136 U.S. counties surveyed who drove alone to work in 2014. Number of counties 50 40 30 20 10 0 5 1 1 10 15 2 2...

The following information relates to the debt investments of Wildcat Company. 1. On February 1, the company purchased 10% bonds of Gibbons Co. having a par value of $300,000 at 100 plus accrued...

Which of the following formulas is INCORRECT? PV of an annuity = C 1 7 ( 1 - 1 ( 1 7 ) N ) PV of a growing perpetuity = C r - g PV of a growing annuity = C 1 r - g ( 1 - ( 1 r ( 1 g ) ) N ) PV of a...

2. Amazon is very highly ranked on a number of the dimensions examined, but the firm scored quite unevenly across the areas, scoring particularly low in social responsibility. Should Amazon see this...

(a) Compute the magnitude of the dipole moment associated with each unit cell of BaTiO3, as illustrated in Figure 18.35. (b) Compute the maximum polarization that is possible for this material.

The dielectric constant for a soda-lime glass measured at very high frequencies (on the order of 1015 Hz) is approximately 2.3. What fraction of the dielectric constant at relatively low frequencies...

Briefly explain why the ferroelectric behavior of BaTiO3 ceases above its ferroelectric Curie temperature.

Furthe dot plot below, what is the maximum and what is the minimum entry? 0 O O O O O O O O O O O O O 12 13 14 15 1B 1? O 11. max: 14; min: 12 O B. max: 54; min: 12 O C. max: 54; min: 15 O D. max:...

Normal distribution Let 1:1,. .. ,1}, ~ MM}, 3 > u. (a) Find the mie of 5-, MLE. (12:) Find the Fisher information I09}. (1:) Find the Rab-Cramer bound for H. (d) We know 13(50): 9, where 32 = i...

Chester has an asset turnover of 1.49 (Asset Turnover = Sales/Assets). That means: Select: 1 Every $1.49 of profit in the firm comes from each $1.00 of sales. Each $1.00 of assets in the firm...