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5. Constitutive matrix What is it used for? Differences between plane stress and plane strain Stress...
For a body undergoing plane strain conditions, which of the following is true? The out-of-plane normal stress is zero a. b. The in-plane strain is zero c. The in-plane stress is zero d. The out-of-pl...
For a body undergoing plane strain conditions, which of the following is true? The out-of-plane normal stress is zero a. b. The in-plane strain is zero c. The in-plane stress is zero d. The out-of-plane stress is zero e. The out-of-plane shear stress is zero
For a body undergoing plane strain conditions, which of the following is true? The out-of-plane normal stress is zero a. b. The in-plane strain is zero c. The in-plane stress is zero d. The out-of-plane...
Calculate Op3 and £p3 for plane stress and plane strain in the x-y plane.
Calculate Op3 and £p3 for plane stress and plane strain in the x-y plane.
project about stress and strain Explanation of the difference between stress and strain
project about stress and strain Explanation of the difference between stress and strain
Problem 9) a) b) What is the difference between the engineering stress and true stress Explain...
Problem 9) a) b) What is the difference between the engineering stress and true stress Explain the meaning of plane stress and plane strain. Ans: See class notes
The plane strain stress state has the following stress values at the critical point. = 265...
The plane strain stress state has the following stress values at the critical point. = 265 MPa, o, = -40 MPa and TX = 52 MPa. Calculate the equivalent tensile (von Mises) stress. (Enter the value with 1 decimal place in MPa).
Figure (a) shows the stress strain relations for two different materials, A and B. Between A...
Figure (a) shows the stress strain relations for two different materials, A and B. Between A and B, which one has higher strength? stress B strain Figure (a) O A. Material A OB. Material B Figure (a) shows the stress strain relations for two different materials, A and B. Figure (b) is a schematic of the catastrophic failure of a Liberty ship. Between A and B. which material could have been used in construction of the ship and caused this...
The stress-strain curve for titanium alloy (Ti-6Al-4V) at 427° C is compared with the stress-strain curves...
The stress-strain curve for titanium alloy (Ti-6Al-4V) at 427°
C is compared with the stress-strain curves for titanium matrix
composite (TMC) at 25° and 427° C.
a. Determine the value of the elastic modulus for Ti-6Al-4V
at 427° C.
b.Determine the change in length of a for Ti-6Al-4V test
specimen (originally 5 inch long) that is subjected to a tensile
stress of 40,000 lb/in2 at 427° C.
c. Determine the 0.2% YS for TMC at 25° C and 427° C....
5. For rock deformation characteristics, be able to draw on stress-strain plots the general nature of...
5. For rock deformation characteristics, be able to draw on stress-strain plots the general nature of strong-stiff brittle rock, weak soft ductile rock, strong ductile rock, etc... Be able to draw the secant, average, and tangent Young's modulus. Be able to identify different points on the stress- strain curve that describes the behavior of the rock with accumulated strain (deformation). What is the difference between stress and strength?
The figure on the left below shows a stress block (plane strain condition is assumed, z...
The figure on the left below shows a stress block (plane strain condition is assumed, z axis is not shown here). Its components as well as the material properties are, • 0,= 10 MPa . O, is currently unknown • Txy = 30 MPa • Young's Modulus E = 150 GPa • Poisson's Ratio V=-0.25 • Note: Poisson's Ratio is negative Rotate the x-y axes in the anticlockwise direction by 45° (as shown in the figure on the right below),...
7. In an empirical stress analysis of the shown pliers, strain gages are used. Explain: a....
7. In an empirical stress analysis of the shown pliers, strain gages are used. Explain: a. the critical locations? b. how should strain gages be installed, and why? c. Are there any stress concentrations? any stress concentration, the will be at the point 95 - a strain gases 8. The data collected from a rosette strain gage are: at = 45 E = 70 x 10 at 0= 90 E: = 200 x 10 at 0= 135 Es = 130...
For a body undergoing plane strain conditions, which of the following is true? The out-of-plane normal stress is zero a. b. The in-plane strain is zero c. The in-plane stress is zero d. The out-of-plane stress is zero e. The out-of-plane shear stress is zero
For a body undergoing plane strain conditions, which of the following is true? The out-of-plane normal stress is zero a. b. The in-plane strain is zero c. The in-plane stress is zero d. The out-of-plane...
Calculate Op3 and £p3 for plane stress and plane strain in the x-y plane.
Problem 9) a) b) What is the difference between the engineering stress and true stress Explain the meaning of plane stress and plane strain. Ans: See class notes
The plane strain stress state has the following stress values at the critical point. = 265 MPa, o, = -40 MPa and TX = 52 MPa. Calculate the equivalent tensile (von Mises) stress. (Enter the value with 1 decimal place in MPa).
Figure (a) shows the stress strain relations for two different materials, A and B. Between A and B, which one has higher strength? stress B strain Figure (a) O A. Material A OB. Material B Figure (a) shows the stress strain relations for two different materials, A and B. Figure (b) is a schematic of the catastrophic failure of a Liberty ship. Between A and B. which material could have been used in construction of the ship and caused this...
The stress-strain curve for titanium alloy (Ti-6Al-4V) at 427°
C is compared with the stress-strain curves for titanium matrix
composite (TMC) at 25° and 427° C.
a. Determine the value of the elastic modulus for Ti-6Al-4V
at 427° C.
b.Determine the change in length of a for Ti-6Al-4V test
specimen (originally 5 inch long) that is subjected to a tensile
stress of 40,000 lb/in2 at 427° C.
c. Determine the 0.2% YS for TMC at 25° C and 427° C....
5. For rock deformation characteristics, be able to draw on stress-strain plots the general nature of strong-stiff brittle rock, weak soft ductile rock, strong ductile rock, etc... Be able to draw the secant, average, and tangent Young's modulus. Be able to identify different points on the stress- strain curve that describes the behavior of the rock with accumulated strain (deformation). What is the difference between stress and strength?
The figure on the left below shows a stress block (plane strain condition is assumed, z axis is not shown here). Its components as well as the material properties are, • 0,= 10 MPa . O, is currently unknown • Txy = 30 MPa • Young's Modulus E = 150 GPa • Poisson's Ratio V=-0.25 • Note: Poisson's Ratio is negative Rotate the x-y axes in the anticlockwise direction by 45° (as shown in the figure on the right below),...
7. In an empirical stress analysis of the shown pliers, strain gages are used. Explain: a. the critical locations? b. how should strain gages be installed, and why? c. Are there any stress concentrations? any stress concentration, the will be at the point 95 - a strain gases 8. The data collected from a rosette strain gage are: at = 45 E = 70 x 10 at 0= 90 E: = 200 x 10 at 0= 135 Es = 130...
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