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o (MPa) 750 If the yield strength of aluminium alloy (450 MPa) that is used for...
A brass alloy is known to have a yield strength of 275 MPa (40,000 psi), a...
A brass alloy is known to have a yield strength of 275 MPa (40,000 psi), a tensile strength of 380 MPa (55,000 psi), and an elastic modulus of 103 GPa (15.0×106 psi). A cylindrical specimen of this alloy 9.0 mm (0.35 in.) in diameter and 245 mm (9.65 in.) long is stressed in tension and found to elongate 9.0 mm (0.35 in.). A) What is the yield strain? B) What is the test strain?
1-Determine the % elongation, yield stress and ultimate tensile strength of the material tested above 2-Calculate...
1-Determine the % elongation, yield stress and ultimate tensile
strength of the material tested above
2-Calculate the elastic modulus of the material tested above
3-If a 200mm cylindrical rod of the material tested above, with
radius 20mm, was subjected to a tensile load of 200kN, what would
the length be?
4-An underground wastewater steel pipe with 2mm walls carries an
ammonia solution of 40 g/m3. The pipe is in contact with
groundwater (assume 0 g/m3 ammonia). Determine the
diffusion rate...
6. An alloy rod is used in an application involving wide temperature changes. The alloy has the following properties: (1) elastic modulus of 70 GPa, (2) yield strength of 40 MPa, (3) fracture strengt...
6. An alloy rod is used in an application involving wide temperature changes. The alloy has the following properties: (1) elastic modulus of 70 GPa, (2) yield strength of 40 MPa, (3) fracture strength of 100 MPa, and (4) thermal expansion coefficient of 24x10-6 °c-1. The rod is 10 cm long and mechanically constrained. Note that the initial temperature is 20°C prior to any use. What is the temperature in [°C] to which the rod may be subjected without significant...
Strength of material The stress-strain diagram for an aluminum alloy specimen having an original diameter of...
Strength of material
The stress-strain diagram for an aluminum alloy specimen having an original diameter of 0.5 in. and a gage length of 2 in, is shown in the figure below. σ (ksi) 70 60 50 40 30 20 10 0 e (in./in.) 0 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.2 0 00025 0.0050.0075 0.01 0.0125001500175 0.02 00255 0.025 Tap image to zoom Part A Determine the modulus of resilience. Express your answer to three significant figures....
(c) Acylindrical specimen of stainless steel having a diameter of 12.8 mm and a gauge length...
(c) Acylindrical specimen of stainless steel having a diameter of 12.8 mm and a gauge length of 50.800 mm is pulled in tension. The data acquired was used to plot engineering stress versus engineering strain as shown in the following two graphs (please note that fig. b is a blown-up clastic portion of (a)). Use the o-curves to complete parts through (vi) Stress (MP) 0.00 0.02 0.04 0.06 0.08 0.10 Strain Fig (a). - curve of stainless steel Stress (MPa)...
Rod ABC is made of a steel for which the yield strength is oy= 450 MPa...
Rod ABC is made of a steel for which the yield strength is oy= 450 MPa and the modulus of elasticity is E-200 GPa. Knowing that a strain energy of 11.2 J must be acquired by the rod as the axial load P is applied, determine the factor of safety of the rod with respect to permanent deformation when a -0.3 m. 18-mm diameter 12-mm diameter The factor of safety of the rod with respect to permanent deformation is
6. The data in the table below was obtained from room temperature tensile tests of two Mg alloy s...
6. The data in the table below was obtained from room temperature tensile tests of two Mg alloy samples (A and B): Determine: elastic modulus, yield strength, UTS, and total elongation of these samples. Calculate the strain hardening exponent (n). Sa 35 120 158 333 203.333 228 333 245 0.33 0.63 0.83 0.28 0.4 0.61 0.85 1.75 3.75 5.16 7.64 0.78 11.25 11.9 1225 12.25 12.25 1225 123 203.333 235 260 83.333 295 305 311.66 18.333 321.667 325 1.9 263.333...
Question 2. (Total 18 marks) 350 350 300 300 Same plot, but with expanded x axis...
Question 2. (Total 18 marks) 350 350 300 300 Same plot, but with expanded x axis 250 250 200 Stress (MPa) Stress (MPa) 150 $150 100 100 0 0 0 0.02 0.04 0.06 0.12 0.14 0.16 0.18 0 0.08 0.1 Strain 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.01 Strain (a) Determine the % elongation, yield stress and ultimate tensile strength of the material tested above (3 marks) (b) Calculate the elastic modulus of the material tested above...
1-Determine the % elongation, yield stress and ultimate tensile
strength of the material tested above
2-Calculate the elastic modulus of the material tested above
3-If a 200mm cylindrical rod of the material tested above, with
radius 20mm, was subjected to a tensile load of 200kN, what would
the length be?
4-An underground wastewater steel pipe with 2mm walls carries an
ammonia solution of 40 g/m3. The pipe is in contact with
groundwater (assume 0 g/m3 ammonia). Determine the
diffusion rate...
6. An alloy rod is used in an application involving wide temperature changes. The alloy has the following properties: (1) elastic modulus of 70 GPa, (2) yield strength of 40 MPa, (3) fracture strength of 100 MPa, and (4) thermal expansion coefficient of 24x10-6 °c-1. The rod is 10 cm long and mechanically constrained. Note that the initial temperature is 20°C prior to any use. What is the temperature in [°C] to which the rod may be subjected without significant...
Strength of material
The stress-strain diagram for an aluminum alloy specimen having an original diameter of 0.5 in. and a gage length of 2 in, is shown in the figure below. σ (ksi) 70 60 50 40 30 20 10 0 e (in./in.) 0 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.2 0 00025 0.0050.0075 0.01 0.0125001500175 0.02 00255 0.025 Tap image to zoom Part A Determine the modulus of resilience. Express your answer to three significant figures....
(c) Acylindrical specimen of stainless steel having a diameter of 12.8 mm and a gauge length of 50.800 mm is pulled in tension. The data acquired was used to plot engineering stress versus engineering strain as shown in the following two graphs (please note that fig. b is a blown-up clastic portion of (a)). Use the o-curves to complete parts through (vi) Stress (MP) 0.00 0.02 0.04 0.06 0.08 0.10 Strain Fig (a). - curve of stainless steel Stress (MPa)...
Rod ABC is made of a steel for which the yield strength is oy= 450 MPa and the modulus of elasticity is E-200 GPa. Knowing that a strain energy of 11.2 J must be acquired by the rod as the axial load P is applied, determine the factor of safety of the rod with respect to permanent deformation when a -0.3 m. 18-mm diameter 12-mm diameter The factor of safety of the rod with respect to permanent deformation is
6. The data in the table below was obtained from room temperature tensile tests of two Mg alloy samples (A and B): Determine: elastic modulus, yield strength, UTS, and total elongation of these samples. Calculate the strain hardening exponent (n). Sa 35 120 158 333 203.333 228 333 245 0.33 0.63 0.83 0.28 0.4 0.61 0.85 1.75 3.75 5.16 7.64 0.78 11.25 11.9 1225 12.25 12.25 1225 123 203.333 235 260 83.333 295 305 311.66 18.333 321.667 325 1.9 263.333...
Question 2. (Total 18 marks) 350 350 300 300 Same plot, but with expanded x axis 250 250 200 Stress (MPa) Stress (MPa) 150 $150 100 100 0 0 0 0.02 0.04 0.06 0.12 0.14 0.16 0.18 0 0.08 0.1 Strain 0.001 0.002 0.003 0.004 0.005 0.006 0.007 0.008 0.009 0.01 Strain (a) Determine the % elongation, yield stress and ultimate tensile strength of the material tested above (3 marks) (b) Calculate the elastic modulus of the material tested above...
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