Steady-state creep data taken for an aluminum at 260°C (533K) are given as follows: creep rate...
- Steady-state creep data taken for an aluminum at 260°C (533K) are given as follows:
|
creep rate (1/h) |
σ (MPa) |
|
2.00E-04 |
3 |
|
3.65 |
25 |
determine the K1 and n constants and plot the dependence of creep rate from applied stress in a range from 1 to 60 MPa.
Homework Answers
please ask if any doubt
Please rate by thumbs up
Add Answer to:
Steady-state creep data taken for an aluminum at 260°C (533K)
are given as follows:
creep rate...
A material has been creep tested and the data in the table below has been obtained...
A material has been creep tested and the data in the table below has been obtained 1. Using the data given, a. Estimate the steady state creep rate at temperature of 500°C and stress of 500 MPa. (5 marks) D. Estimate the time to failure for a sample Under a stress of 625 MPa at 500°C (5 marks) T (Celcius) Stress (Mpa) Stage 2 Creep Rate (1/h) Time to failure (h) 650 650 650 675 675 675 700 700 700...
find k1, kN/kS and k-1/ks the values are: Steady-state approximation, competition experiments. The solvolysis of 2-octylmethane-...
find k1,
kN/kS and k-1/ks
the values are:
Steady-state approximation, competition experiments. The solvolysis of 2-octylmethane- sulfonate (RX) in aqueous solutions containing azide ions yields a mixture of alcohol and azide 35 Two mechanisms should be considered: ROH H+ X ROH H+ X H20 H2O IR versus RX kNIN3) kNIN3] RN3 X RN Derive the steady-state rate law for each, and the expression for the product ratio, ORN3MROHI, in terms of the rate constants and IN3 J. Use the following...
The given State of Stress is provided, the stresses are as follows: • ox= 15 KSI...
The given State of Stress is provided, the stresses are as follows: • ox= 15 KSI oy= 10 KSI • txy = 8 KSI Part 1 - For the state of stress described above: A. Draw the Mohr's Circle B. Determine the Radius of the Circle C. Find the coordinate Ō of its center D. Principal Stresses Plot all results above on the Mohr's Circle created under part A. Part 2 - Determine the following: A. Maximum In-Plane Shear Stress...
2. An aluminum cylinder has a radius (ra) of 3 cm and al n cylinder has...
2. An aluminum cylinder has a radius (ra) of 3 cm and al n cylinder has a radius (11) of 3 cm and a length (L) of 10 cm. The cylinder is covered with an additional insulation laver which has the critical insulation thickness The insulation surface is exposed to ambient air with the convection heat trans coefficient of h = 5 W/m2.°C. The surface temperature (T1) of aluminum cylinder is 100 The ambient air temperature (T..) is 25 °C....
answer a, b, and c 1. Steady-state temperatures at selected nodal points of the symmetrical section...
answer a, b, and c
1. Steady-state temperatures at selected nodal points of the symmetrical section of a flow channel are known to be, T, = 95.47°C,T, = 117.3°C, T, = 79.79°C,T, = 77.29°C,T, = 87.28°C.T. = 77.65°C.The wall experiences uniform volumetric heat generation of q'=106 W/m and has a thermal conductivity of k = 10"-. The inner and outer surfaces of the channel experience convection with fluid m, K temperatures of T = 50°C, T = 25°C and convection...
Please answer all the questions with MATLAB and also upload the code. Thanks. 3 Experiment - Matlab controller complexity and steady-state 3.1 Consider the satellite-attitude control problem shown in...
Please answer all the questions with MATLAB and also upload the
code. Thanks.
3 Experiment - Matlab controller complexity and steady-state 3.1 Consider the satellite-attitude control problem shown in following figure where the normalized parameters are J 10 spacecraft inertia; N-m-sec2 /rad erreference satellite attitude; rad actual satellite attitude; rad Hy 1 sensor scale; factor volts/rad Hr = 1 reference sensor scale factor ; volts/rad w= disturbance torque: N-m H, D(s) Js Figure 4: Satellite attitude control Suppose kP =...
Consider 7075-T6 aluminum with fatigue crack growth in Table 16. Consider 7075-T6 aluminum with fatigue crack...
Consider 7075-T6 aluminum with fatigue crack growth in
Table
16. Consider 7075-T6 aluminum with fatigue crack growth properties as given in Table 6.3. Assuming that 1=0.5 in the Walker equation, @. estimate da/dN versus AK equations in the form of Eq. 6.22a for R=0.4 and 0.8. 6. plot the equations from (a) on a log-log scale along with the R=0 equation. Keep in mind the proper region I limits of the equation. 169x10-5 ©. For a given AK, by what...
15. Calculate the actual rotor speed, in rad/s, at maximum steady-state torque for the machine gi...
Example 6C:
15. Calculate the actual rotor speed, in rad/s, at maximum steady-state torque for the machine given in Example 6C for operation as a motor when connected to an electric source of (a) 120 Hz with twice rated voltage, (b) 60 Hz with rated voltage, (c) 30 Hz with one-half rated voltage, and (d) 6 Hz with 10 percent rated voltage. Example 6C. The parameters for the equivalent circuit shown in Fig. 6.8-1 may be calculated by using electromagnetie...
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values...
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values in Table 20.2, determine material removal rate and cutting power in the operation under the following sets of cutting conditions: (a) Cutting speed 5.6 m/s, feed 0.25 mm/rev, and depth of cut 2.0 mm; and (b) cutting speed- 1.3 m/s, feed 0.75 mm/rev, and depth 4.0 mm. Question 2 Consider a turning operation performed on steel whose hardness 225 HB at a cutting speed...
7. Smokers are known to have about 50% higher CL than nonsmokers for theophylline. If the...
7. Smokers are known to have about 50% higher CL than nonsmokers for theophylline. If the average observed AUC after administration of 300 mg IV theophylline in nonsmokers is 100 mg.hr/L, what is the expected AUC in smokers after administration of the same 300 mg dose? Theophylline undergoes linear pharmacokinetics 2. After administration of a single 400 mg dose of a drug, a linear plot of the serum concentration-time prorile on a semi-log graph paper showed a y-intercept of 1mg/mL...
A material has been creep tested and the data in the table below has been obtained 1. Using the data given, a. Estimate the steady state creep rate at temperature of 500°C and stress of 500 MPa. (5 marks) D. Estimate the time to failure for a sample Under a stress of 625 MPa at 500°C (5 marks) T (Celcius) Stress (Mpa) Stage 2 Creep Rate (1/h) Time to failure (h) 650 650 650 675 675 675 700 700 700...
find k1,
kN/kS and k-1/ks
the values are:
Steady-state approximation, competition experiments. The solvolysis of 2-octylmethane- sulfonate (RX) in aqueous solutions containing azide ions yields a mixture of alcohol and azide 35 Two mechanisms should be considered: ROH H+ X ROH H+ X H20 H2O IR versus RX kNIN3) kNIN3] RN3 X RN Derive the steady-state rate law for each, and the expression for the product ratio, ORN3MROHI, in terms of the rate constants and IN3 J. Use the following...
The given State of Stress is provided, the stresses are as follows: • ox= 15 KSI oy= 10 KSI • txy = 8 KSI Part 1 - For the state of stress described above: A. Draw the Mohr's Circle B. Determine the Radius of the Circle C. Find the coordinate Ō of its center D. Principal Stresses Plot all results above on the Mohr's Circle created under part A. Part 2 - Determine the following: A. Maximum In-Plane Shear Stress...
2. An aluminum cylinder has a radius (ra) of 3 cm and al n cylinder has a radius (11) of 3 cm and a length (L) of 10 cm. The cylinder is covered with an additional insulation laver which has the critical insulation thickness The insulation surface is exposed to ambient air with the convection heat trans coefficient of h = 5 W/m2.°C. The surface temperature (T1) of aluminum cylinder is 100 The ambient air temperature (T..) is 25 °C....
answer a, b, and c
1. Steady-state temperatures at selected nodal points of the symmetrical section of a flow channel are known to be, T, = 95.47°C,T, = 117.3°C, T, = 79.79°C,T, = 77.29°C,T, = 87.28°C.T. = 77.65°C.The wall experiences uniform volumetric heat generation of q'=106 W/m and has a thermal conductivity of k = 10"-. The inner and outer surfaces of the channel experience convection with fluid m, K temperatures of T = 50°C, T = 25°C and convection...
Please answer all the questions with MATLAB and also upload the
code. Thanks.
3 Experiment - Matlab controller complexity and steady-state 3.1 Consider the satellite-attitude control problem shown in following figure where the normalized parameters are J 10 spacecraft inertia; N-m-sec2 /rad erreference satellite attitude; rad actual satellite attitude; rad Hy 1 sensor scale; factor volts/rad Hr = 1 reference sensor scale factor ; volts/rad w= disturbance torque: N-m H, D(s) Js Figure 4: Satellite attitude control Suppose kP =...
Consider 7075-T6 aluminum with fatigue crack growth in
Table
16. Consider 7075-T6 aluminum with fatigue crack growth properties as given in Table 6.3. Assuming that 1=0.5 in the Walker equation, @. estimate da/dN versus AK equations in the form of Eq. 6.22a for R=0.4 and 0.8. 6. plot the equations from (a) on a log-log scale along with the R=0 equation. Keep in mind the proper region I limits of the equation. 169x10-5 ©. For a given AK, by what...
Example 6C:
15. Calculate the actual rotor speed, in rad/s, at maximum steady-state torque for the machine given in Example 6C for operation as a motor when connected to an electric source of (a) 120 Hz with twice rated voltage, (b) 60 Hz with rated voltage, (c) 30 Hz with one-half rated voltage, and (d) 6 Hz with 10 percent rated voltage. Example 6C. The parameters for the equivalent circuit shown in Fig. 6.8-1 may be calculated by using electromagnetie...
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values in Table 20.2, determine material removal rate and cutting power in the operation under the following sets of cutting conditions: (a) Cutting speed 5.6 m/s, feed 0.25 mm/rev, and depth of cut 2.0 mm; and (b) cutting speed- 1.3 m/s, feed 0.75 mm/rev, and depth 4.0 mm. Question 2 Consider a turning operation performed on steel whose hardness 225 HB at a cutting speed...
7. Smokers are known to have about 50% higher CL than nonsmokers for theophylline. If the average observed AUC after administration of 300 mg IV theophylline in nonsmokers is 100 mg.hr/L, what is the expected AUC in smokers after administration of the same 300 mg dose? Theophylline undergoes linear pharmacokinetics 2. After administration of a single 400 mg dose of a drug, a linear plot of the serum concentration-time prorile on a semi-log graph paper showed a y-intercept of 1mg/mL...
Most questions answered within 3 hours.
-
The marketing class at CSUS had an average score of 150. An
educational analyst determined that...
asked 10 minutes ago -
Justin Case has purchased a $250 000 home by putting 20 % down
and taking out...
asked 21 minutes ago -
1. In a labor market, marginal cost for a firm is
____________.
a. recruiting cost
b....
asked 53 minutes ago -
On January 1, 2019, ABC Company issued $60,000,000 of 20-year,
10.5% bonds when the market rate...
asked 1 hour ago -
39.4% of US homes continue to use a landline in addition to cell
phone service. 3...
asked 1 hour ago -
Starting with benzene, synthesize 1-phenyl-1-butyne.
Show intermediates and reagents.
asked 2 hours ago -
Create a 32-run crossed array design with six control factors
and two noise factors such that...
asked 3 hours ago -
A 500g sample of sand from source A has the following amounts
retained on each sieve....
asked 3 hours ago -
In
your own words, please explain the essay by John Keynes wrote "The
End of Laissez...
asked 3 hours ago -
How are the matrix and pixels related? Why are smaller
pixels better for diagnostic quality?
asked 3 hours ago -
2. An AC generator has 80 rectangular loops on
its armature. Each loop is 11 cm...
asked 3 hours ago -
Please help me with this question. Consider Aldi’s current and
potential geographic markets (see Exhibit 4...
asked 3 hours ago