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(A) הודות ל 100 mm Consider the flat bar with shoulder joints shown in Fig. A...
(A) Smin 100 mm Problem 1 (20 pts): Stress Concentrations Consider the flat bar with shoulder...
(A) Smin 100 mm Problem 1 (20 pts): Stress Concentrations Consider the flat bar with shoulder joints shown in Fig. A which is subjected to a tensile force P = 58 kN. The bar is made of Aluminum 6061 having maximum tensile strength Omax = 290 MPa. NOTE: plots of stress concentration factors for different types of loading can be found on page 6 (a) Determine the radius r [mm] for the fillets. (b) An identical flat bar shown in...
(A) 8 mm 100 mm Problem 1 (20 pts): Stress Concentrations Consider the flat bar with...
(A) 8 mm 100 mm Problem 1 (20 pts): Stress Concentrations Consider the flat bar with shoulder joints shown in Fig. A which is subjected to a tensile force P = 58 kN. The bar is made of Aluminum 6061 having maximum tensile strength Omax = 290 MPa. NOTE: plots of stress concentration factors for different types of loading can be found on page 6. (a) Determine the radius r [mm] for the fillets. (b) An identical flat bar shown...
Sm 100 mm Consider the flat bar with shoulder joints shown in Fig. A which is...
Sm 100 mm Consider the flat bar with shoulder joints shown in Fig. A which is subjected to a tensile force P-58 kN. The bar is made of Aluminum 6061 having maximum tensile strength Omar = 290 MPa. NOTE: plots of stress concentration factors for different types of loading can be found on page 6 (a) Determine the radiusr [mm] for the fillets. (b) An identical flat bar shown in Fig. B replaces the tensile load with a bending moment...
The cross section of the cantilever beam loaded as shown in Fig. 8-20 is rectangular, 50 × 75 mm. The bar, 1 m long, i...
The cross section of the cantilever beam loaded as shown in
Fig. 8-20 is rectangular, 50 × 75 mm. The bar, 1 m long, is
aluminum for which E = 65 GPa. Determine the permissible maximum
intensity of loading if the maximum deflection is not to exceed 5
mm and the maximum stress is not to exceed 50 MPa.
Ans. w0 = 14.1 kN/m and 17.1 kN/m. Select 14.1 kN/m.
oment 3 Fig. 8-20
oment 3 Fig. 8-20
A flat bar (thickness b = 10 mm) with a shoulder fillet is loaded by a...
A flat bar (thickness b = 10 mm) with a shoulder fillet is loaded by a cyclic force F-10-2013 shown below. The bar is made of alloy steel (S. = 900 MPa, S, - 700 MPa) and has dimensions of 35 mm, H = 50 mm, r = 4 mm and I = 80 mm. The actual fatigue strength of the component is estimated as S = 360 MPa for commercially polished surface conditions. The bar should be safe against...
Question 1 The stepped flat bar has a constant thickness of 8.0 mm. It carries three concentrated loads as shown...
Question 1 The stepped flat bar has a constant thickness of 8.0 mm. It carries three concentrated loads as shown. Let P 200 N, L 180 mm, L, = 80 mm, and Ls 40 mm. Compute the maximum stress due to bending and state where it occurs. Note: The bar is braced against lateral bending and twisting. 100 mm 140 mm 1CX) mm 140 mm 2P Flat plate r3 mm t8 mm typical 12 m 24 mm-36 mm 48 mm...
Problem 1 . (30%) The bar in Fig I. has a constant width of 35 mm...
Problem 1 . (30%) The bar in Fig I. has a constant width of 35 mm and a thickness of 10 mm. Determine the average normal stress and average shear stress acting at section b-b in the bar when it is subjected to the loading shown. B 9 kN C 4KN D 12 kN 22 kN 9 kN 4 kN 35 mm Fig. 1
An aluminum bar is subjected to a loading shown below. if the maximum axial stress must...
An aluminum bar is subjected to a loading shown below. if the
maximum axial stress must not exceed 150 MPa, what should be the
minimum dismensions of the 3 sections of the bar?
325 kN 215 kN 175 kn 1.2 m 1.2 m
Two wires are connected to a rigid bar as shown in Fig. Q.2b below. The details of the copper alloy wire and the al...
Two wires are connected to a rigid bar as shown in Fig. Q.2b below. The details of the copper alloy wire and the aluminium alloy wire are as follows: (b) ofElasticity,E(MPa) 137.9 x 10 68.9 x 103 Cross-section area (mm) vModulus of Elasticity, E (MPa) Materials Copper Alloy Aluminium alloy Determine the position (x) of the force Fi (4.9 kN) such that the bar would remain 64.5 129 (50%) horizontal? Aluminum alloy wire 10 m Copper alloy wire 6 m...
The shaft shown in Fig. 3.17 has the following dimensions: r = 20 mm, d =...
The shaft shown in Fig. 3.17 has the following dimensions: r = 20 mm, d = 400 mm, and D = 440 mm. The shaft is subjected simul- taneously to a torque T = 20 kN . m, a bending moment M = 10 KN.m, and an axial force P = 50 kN. Calculate at the root of the notch (a) the max- imum principal stress, (b) the maximum shear stress, and (c) the octahedral stresses. x - -
(A) Smin 100 mm Problem 1 (20 pts): Stress Concentrations Consider the flat bar with shoulder joints shown in Fig. A which is subjected to a tensile force P = 58 kN. The bar is made of Aluminum 6061 having maximum tensile strength Omax = 290 MPa. NOTE: plots of stress concentration factors for different types of loading can be found on page 6 (a) Determine the radius r [mm] for the fillets. (b) An identical flat bar shown in...
(A) 8 mm 100 mm Problem 1 (20 pts): Stress Concentrations Consider the flat bar with shoulder joints shown in Fig. A which is subjected to a tensile force P = 58 kN. The bar is made of Aluminum 6061 having maximum tensile strength Omax = 290 MPa. NOTE: plots of stress concentration factors for different types of loading can be found on page 6. (a) Determine the radius r [mm] for the fillets. (b) An identical flat bar shown...
Sm 100 mm Consider the flat bar with shoulder joints shown in Fig. A which is subjected to a tensile force P-58 kN. The bar is made of Aluminum 6061 having maximum tensile strength Omar = 290 MPa. NOTE: plots of stress concentration factors for different types of loading can be found on page 6 (a) Determine the radiusr [mm] for the fillets. (b) An identical flat bar shown in Fig. B replaces the tensile load with a bending moment...
The cross section of the cantilever beam loaded as shown in
Fig. 8-20 is rectangular, 50 × 75 mm. The bar, 1 m long, is
aluminum for which E = 65 GPa. Determine the permissible maximum
intensity of loading if the maximum deflection is not to exceed 5
mm and the maximum stress is not to exceed 50 MPa.
Ans. w0 = 14.1 kN/m and 17.1 kN/m. Select 14.1 kN/m.
oment 3 Fig. 8-20
oment 3 Fig. 8-20
A flat bar (thickness b = 10 mm) with a shoulder fillet is loaded by a cyclic force F-10-2013 shown below. The bar is made of alloy steel (S. = 900 MPa, S, - 700 MPa) and has dimensions of 35 mm, H = 50 mm, r = 4 mm and I = 80 mm. The actual fatigue strength of the component is estimated as S = 360 MPa for commercially polished surface conditions. The bar should be safe against...
Question 1 The stepped flat bar has a constant thickness of 8.0 mm. It carries three concentrated loads as shown. Let P 200 N, L 180 mm, L, = 80 mm, and Ls 40 mm. Compute the maximum stress due to bending and state where it occurs. Note: The bar is braced against lateral bending and twisting. 100 mm 140 mm 1CX) mm 140 mm 2P Flat plate r3 mm t8 mm typical 12 m 24 mm-36 mm 48 mm...
Problem 1 . (30%) The bar in Fig I. has a constant width of 35 mm and a thickness of 10 mm. Determine the average normal stress and average shear stress acting at section b-b in the bar when it is subjected to the loading shown. B 9 kN C 4KN D 12 kN 22 kN 9 kN 4 kN 35 mm Fig. 1
An aluminum bar is subjected to a loading shown below. if the
maximum axial stress must not exceed 150 MPa, what should be the
minimum dismensions of the 3 sections of the bar?
325 kN 215 kN 175 kn 1.2 m 1.2 m
Two wires are connected to a rigid bar as shown in Fig. Q.2b below. The details of the copper alloy wire and the aluminium alloy wire are as follows: (b) ofElasticity,E(MPa) 137.9 x 10 68.9 x 103 Cross-section area (mm) vModulus of Elasticity, E (MPa) Materials Copper Alloy Aluminium alloy Determine the position (x) of the force Fi (4.9 kN) such that the bar would remain 64.5 129 (50%) horizontal? Aluminum alloy wire 10 m Copper alloy wire 6 m...
The shaft shown in Fig. 3.17 has the following dimensions: r = 20 mm, d = 400 mm, and D = 440 mm. The shaft is subjected simul- taneously to a torque T = 20 kN . m, a bending moment M = 10 KN.m, and an axial force P = 50 kN. Calculate at the root of the notch (a) the max- imum principal stress, (b) the maximum shear stress, and (c) the octahedral stresses. x - -
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