5. A metal has a modulus of elasticity of 70 GPa, yield strength of 210 MPa,...
Answers: QUESTION 3 (TZU marks) subjected an internal gauge modulus of elasticity of 210 GPa and a A closed cylindrical pressure vessel illustrated in the figure below is pressure of 5.0 MPa. The vessel is made of steel with a Poisson's ratio of 0.29. A delta strain gauge rosette, attached to the external surface of a closed cylindrical pressure vessel measures the following strains a 74 x 10-6 10-6 E60 246 x 248 x 10 E120 Determine the strain components...
a cylindrical tank is made from A-36 OBLEM 2: The cylindrical tank is made from A-36 steel with a yield strength ayie 250 MPa, modulus ef elasticity &-200 GPa and Poisson's ratio v 0.3. When the tank is pressuri pressure p, a 60 strain rosette mounted on the surface measures the following strains: & 100(10), 343(10), maximum-distortion-energy theory, to determine the factor of safety against yielding (c) Find the internal pressure p acting within the tank. (30 Points) 343(10) Use...
For a certain steel alloy, the yield strength is 560 MPa and the Young’s modulus is 200 GPa. What is the maximum load that may be applied to a specimen with a cross sectional area of without plastic deformation?
Given the following values: Modulus of elasticity of reinforcement, Es = 3×105 Mpa, Mean value of the modulus of elasticity of concrete at 28 days, Ec = 13000 Mpa, Width of a cross-section, b = 200 mm, Effective depth of a cross-section, d = 480 mm, and Tensile steel ratio, pt = 0.023, Calculate Icr ,which is the second moment of area of a cracked section with the reinforcement transformed to an equivalent area of...
1. An alloy of steel has a Young’s modulus of 180 GPa , elastic limit of 0.002 and ultimate tensile strength of 860 MPa . An alloy of aluminium has a Young’s modulus of 70 GPa , elastic limit of 0.004 and ultimate tensile strength of 110 MPa . a) Sketch a stress-strain graph for both of these alloys, plotting them on the same graph b) Label significant positions on the graphs c) Compare and contrast the mechanical properties of...
Problem #1 A cylindrical rod of copper (E 110 GPa) having a yield strength of 240 MPa is to be subjected to a load of 6660 N. If the length of the rod is 380 mm, what must the diameter be to allow an elongation of 0.50 mm? A cylindrical specimen of some alloy 8 mm in diameter is stressed elastically in tension. A force of 15,700 N produces a reduction in the specimen diameter of 5 10-3 mm. Compute...
5. EVALUATION I. Create a stress-strain diagram for the measured values in table 1 and identify the mechanical properties of the material. (4 marks) II. Identify the following and label them in the graph. (12 marks) • Young's modulus Yield strength Elongation Ultimate tensile strength THEORETICAL BACKGROUND Equations: Cross-sectional Area (A) Modulus of Elasticity (E) Tensile Strength (ST) Percent Elongation (%EL) d? E = Sy Ey Sr Pu А %EL Extension at fracture Gauge Length Where: A: Cross- Sectional Area...
A unidirectional glass fiber-epoxy matrix composite containing 65 vol% fiber, calculate the modulus of elasticity in the longitudinal direction and the transverse direction. Epoxy has a density of 1.54 g/cm3, modulus of elasticity of 3.5 GPa, yield strength of 60 MPa, tensile strength of 95 MPa, and Poisson’s ratio of 0.33. Glass fiber has a Poisson’s ratio of 0.22.
A strip of high-strength steel has a length of 30 cm and a cross-section mm. The modulus of elasticity is 200 GPa, and Poisson's ratio is 0.27. It is subjected to axial load of 15,000 N, and is instrumented with 120 Ohm resistors in a half-bridge configuration. The supply voltage is 5 volts and the gage factor is 2. Find the output voltage in mv. of 1 by 20 mm 2- A strip of high-strength steel has a length of...
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...