A large flat plate is subjected to constant-amplitude uniaxial cyclic tensile stresses of a maximum stress...
Homework Answers
Answer:
Given that,
Maximum stress = 147 MPa
Minimum stress = 22 MPa
Surface crack = 0.98 mm
Plain strain fracture toughness of the plate = 33.4 MPa m1/2
m = 1.4
A = 5.0*10-12
Y = 1.17
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A large flat plate is subjected to constant-amplitude uniaxial
cyclic tensile stresses of a maximum stress...
A large flat plate is subjected to a constant-stress-amplitude uniaxial cyclic tensile stress. Compute the surface crac...
A large flat plate is subjected to a constant-stress-amplitude uniaxial cyclic tensile stress. Compute the surface crack length after 7.0x10 loading cycles. Assume the initial edge surface crack length of 1.80 mm and a maximum tensile stress of 160 MPa. The minimum tensile stress is 0, Assume m = 1.8 and A = 7.5×10-12 in MPa and meter units. Assume Y -1.25.
A large flat plate is subjected to a constant-stress-amplitude uniaxial cyclic tensile stress. Compute the surface crack length...
Help 7.16 Started: Mar 13 at 11:30pm Quiz Instructions Question 1 1 pts Alarge flat plate...
Help
7.16 Started: Mar 13 at 11:30pm Quiz Instructions Question 1 1 pts Alarge flat plate is subjected to constant-amplitude uniaxial cyclic tensile stresses of a maximum stress of 102 and a minimum stress of 24 MPa. If before testing the largest surface crack is 0.61 mm and the plain-strain fracture toughness of the plate is 31.6 MPa m1/2 estimate the fatigue life of the plate in cycles to failure. For the plate, m - 4.2 and A = 5.0...
A large flat plate is subjected to a constant-stress-amplitude fatigue loading. Before the fatigue test, the precrack l...
A large flat plate is subjected to a constant-stress-amplitude fatigue loading. Before the fatigue test, the precrack length in the material was 1.25 mm. The yield strength of this material is 300 MPa; the Young's modulus is 211 GPa; the fracture resistance (the
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step by step solution please 3. The fatigue characteristics for a brass alloy are given as...
step by step solution please
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13-1 A cast-iron plate in biaxial stress is subjected to tensile stresses ơ,-30MPa and ơ.-40MPa (see figure). The corresponding strains in the plate are E-120x106 and ε,-160x106. Determine (1) Poisson's ratio v for the material (2) Modulus of elasticity E for the material. (3) Strain energy density u.
13-1 A cast-iron plate in biaxial stress is subjected to tensile stresses ơ,-30MPa and ơ.-40MPa (see figure). The corresponding strains in the plate are E-120x106 and ε,-160x106. Determine (1) Poisson's ratio v...
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A large flat plate is subjected to a constant-stress-amplitude uniaxial cyclic tensile stress. Compute the surface crack length after 7.0x10 loading cycles. Assume the initial edge surface crack length of 1.80 mm and a maximum tensile stress of 160 MPa. The minimum tensile stress is 0, Assume m = 1.8 and A = 7.5×10-12 in MPa and meter units. Assume Y -1.25.
A large flat plate is subjected to a constant-stress-amplitude uniaxial cyclic tensile stress. Compute the surface crack length...
Help
7.16 Started: Mar 13 at 11:30pm Quiz Instructions Question 1 1 pts Alarge flat plate is subjected to constant-amplitude uniaxial cyclic tensile stresses of a maximum stress of 102 and a minimum stress of 24 MPa. If before testing the largest surface crack is 0.61 mm and the plain-strain fracture toughness of the plate is 31.6 MPa m1/2 estimate the fatigue life of the plate in cycles to failure. For the plate, m - 4.2 and A = 5.0...
A large flat plate is subjected to a constant-stress-amplitude fatigue loading. Before the fatigue test, the precrack length in the material was 1.25 mm. The yield strength of this material is 300 MPa; the Young's modulus is 211 GPa; the fracture resistance (the
A large flat plate is subjected to a constant-stress-amplitude fatigue loading. Before the fatigue test, the precrack length in the material was 1.25 mm. The yield strength of this material is 300 MPa; the Young's modulus is...
step by step solution please
3. The fatigue characteristics for a brass alloy are given as follows: Stress Amplitude (MPa) 170 Cycles to Failure 3.7 x 104 1.0 x 105 3.0 x 105 1 x 106 1 x 107 1 x 108 1 x 109 130 114 2 0 (a) Make an S-N plot (stress amplitude vs. logarithm cycles to failure) using these data. (b) Determine the fatigue strength at 4 x 106 cycles. (c) Determine the fatigue life for...
13-1 A cast-iron plate in biaxial stress is subjected to tensile stresses ơ,-30MPa and ơ.-40MPa (see figure). The corresponding strains in the plate are E-120x106 and ε,-160x106. Determine (1) Poisson's ratio v for the material (2) Modulus of elasticity E for the material. (3) Strain energy density u.
13-1 A cast-iron plate in biaxial stress is subjected to tensile stresses ơ,-30MPa and ơ.-40MPa (see figure). The corresponding strains in the plate are E-120x106 and ε,-160x106. Determine (1) Poisson's ratio v...
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...
A 3 m rigid bar AB is supported with a vertical translational spring at A and a pin at B The bar is subjected to a linearly varying distributed load with maximum intensity g Calculate the vertical deformation of the spring if the spring constant is 700 kN/m. (ans: 21.43 mm) 2. A steel cable with a nominal diameter of 25 mm is used in a construction yard to lift a bridge section weighing 38 kN. The cable has an...
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