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Problem 1 A 2-in dia. steel bar is subjected to the loading indicated. Locate and estimate...
Problem 1 The machined steel bar shown in the figure undergoes fully reversed axial loading at...
Problem 1 The machined steel bar shown in the figure undergoes fully reversed axial loading at a nominal alternating stress of 30 ksi. 1. Find the safety factor for an infinite life of the bar if the critical section of this filleted bar in tension is assumed at the shoulder fillet. 2. How many cycles of stress can be expected? Given: The corrected endurance limit Se = 35 ksi. Material Ultimate Tensile Strength Sut = 100 ksi. Material Yield Strength...
A) A ductile hot-rolled steel bar has yield strength in tension and compression of 400 MPa...
A) A ductile hot-rolled steel bar has yield strength in tension and compression of 400 MPa Define Maximum shear stress, and Maximum normal stress for the following stress distribution: ?,-200 Mpa and ?,-200 Mpa, and Txysl 00 Mpa (All the other stresses are set to zero). safety factor using distortion energy theory, Maximum Normal stress theory, and maximum shear stress theory B) For the above material and stress distribution, what is the
Question 1: A rotating shaft with a diameter of 30 mm is made of 1018 cold-rolled...
Question 1: A rotating shaft with a diameter of 30 mm is made of 1018 cold-rolled steel. The stress concentration factor is 2.366, and the shear stress concentration factor is 1.75 respectively. The notch sensitivity is 0.78 and for shear it's 0.96 Estimate the factor of safety guarding against fatigue failure using modified-Goodman and Soder- berg for each of the following loading conditions: a) The shaft is subjected to a completely reversed torque of 120 N.m in phase with a...
A circular cross section steel bar with a Young’s modulus E=2.1x10^11 N/m^2 and an area A=50mm^2...
A circular cross section steel bar with a Young’s modulus
E=2.1x10^11 N/m^2
and an area A=50mm^2
and a
length L=3m
is installed horizontally between and welded to two walls.
Assuming that a torque of M=5,000Nm
is applied to the bar at a distance of l=2m
from the left wall please answer the following:
a. Is this system statically determinate or
indeterminate?
b. Determine:
i. What are the reactions from the walls?
ii. Plot the variation of torque in the bar....
5. A 38-mm-diameter solid steel shaft, 2 m long, is subjected to a torque of 600...
5. A 38-mm-diameter solid steel shaft, 2 m long, is subjected to a torque of 600 N.m, as shown below. The steel is AISI 1020 hot-rolled. Calculate a) The maximum torsional shear stress b) The angle of twist, ?, in degrees, ifG2 79.3 x 10"MPas 79.3 x 10, N/m2 Te TL Recall radian 57.3 32 JG
The material is steel. hence the ultimate strength can be found.
the
material is steel. hence the ultimate strength can be found.
131- (3 marks) Figure below shows a bolted joint subjected to an external force P that fluctuates from 0 to 7 kips. The steel bolt specification is 5/8"-11 UNC, SAE grade 5 material with rolled threads. The clamped members are steel of length 1.25 in each (with a total length of 2.5 in). Plain wide washers are utilized at both ends of the bolt. [a]. Using the Goodman line,...
The solid cireular cross-section bar shown is machined from AISI 1040 CD steel and is subjected t...
show all work and steps
The solid cireular cross-section bar shown is machined from AISI 1040 CD steel and is subjected to a t60 kip fuctuating axial load as shown. 18 in 8 in 8 in 0.20 in rad." L- 2-in dia. 3-in dia. +60 kip НН -60 kip 1. Estimate the fully corrected endurance limit. Express your answer in ksi. 2. Determine the minimum factor of safety based on achieving infinite life 3. Determine the factor of safety against...
2. The bar in the figure is made of steel and is atiched to the wall...
2. The bar in the figure is made of steel and is atiched to the wall at the base. neglecting any stress concentrations find the following: The location and value for the maximum stress in the bar. The minimum yield strength that would be required of the material to have a factor of safety of 1.15 using distortion energy and maximum shear stress theory. a. b. 200 mm mm round 250 mm 100 mm 1000 N
[3]. (3 marks) Figure below shows a bolted joint subjected to an external force P that fluctuates...
[3]. (3 marks) Figure below shows a bolted joint subjected to an external force P that fluctuates from 0 to 7 kips The steel bolt specification is 5/8"-11 UNC, SAE grade 5 material with rolled threads. The clamped members are steel of length 1.25 in each (with a total length of 2.5 in). Plain wide washers are utilized at both ends of the bolt. [a]. Using the Goodman line, determine the factor of safety guarding against fatigue failure for the...
131- (3 marks) Figure below shows a bolted joint subjected to an external force P that fluctuates...
131- (3 marks) Figure below shows a bolted joint subjected to an external force P that fluctuates from 0 to 7 kips. The steel bolt specification is 5/8"-11 UNC, SAE grade 5 material with rolled threads. The clamped members are steel of length 1.25 in each (with a total length of 2.5 in). Plain wide washers are utilized at both ends of the bolt. [a]. Using the Goodman line, determine the factor of safety guarding against fatigue failure for the...
Problem 1 The machined steel bar shown in the figure undergoes fully reversed axial loading at a nominal alternating stress of 30 ksi. 1. Find the safety factor for an infinite life of the bar if the critical section of this filleted bar in tension is assumed at the shoulder fillet. 2. How many cycles of stress can be expected? Given: The corrected endurance limit Se = 35 ksi. Material Ultimate Tensile Strength Sut = 100 ksi. Material Yield Strength...
A) A ductile hot-rolled steel bar has yield strength in tension and compression of 400 MPa Define Maximum shear stress, and Maximum normal stress for the following stress distribution: ?,-200 Mpa and ?,-200 Mpa, and Txysl 00 Mpa (All the other stresses are set to zero). safety factor using distortion energy theory, Maximum Normal stress theory, and maximum shear stress theory B) For the above material and stress distribution, what is the
Question 1: A rotating shaft with a diameter of 30 mm is made of 1018 cold-rolled steel. The stress concentration factor is 2.366, and the shear stress concentration factor is 1.75 respectively. The notch sensitivity is 0.78 and for shear it's 0.96 Estimate the factor of safety guarding against fatigue failure using modified-Goodman and Soder- berg for each of the following loading conditions: a) The shaft is subjected to a completely reversed torque of 120 N.m in phase with a...
A circular cross section steel bar with a Young’s modulus
E=2.1x10^11 N/m^2
and an area A=50mm^2
and a
length L=3m
is installed horizontally between and welded to two walls.
Assuming that a torque of M=5,000Nm
is applied to the bar at a distance of l=2m
from the left wall please answer the following:
a. Is this system statically determinate or
indeterminate?
b. Determine:
i. What are the reactions from the walls?
ii. Plot the variation of torque in the bar....
5. A 38-mm-diameter solid steel shaft, 2 m long, is subjected to a torque of 600 N.m, as shown below. The steel is AISI 1020 hot-rolled. Calculate a) The maximum torsional shear stress b) The angle of twist, ?, in degrees, ifG2 79.3 x 10"MPas 79.3 x 10, N/m2 Te TL Recall radian 57.3 32 JG
the
material is steel. hence the ultimate strength can be found.
131- (3 marks) Figure below shows a bolted joint subjected to an external force P that fluctuates from 0 to 7 kips. The steel bolt specification is 5/8"-11 UNC, SAE grade 5 material with rolled threads. The clamped members are steel of length 1.25 in each (with a total length of 2.5 in). Plain wide washers are utilized at both ends of the bolt. [a]. Using the Goodman line,...
show all work and steps
The solid cireular cross-section bar shown is machined from AISI 1040 CD steel and is subjected to a t60 kip fuctuating axial load as shown. 18 in 8 in 8 in 0.20 in rad." L- 2-in dia. 3-in dia. +60 kip НН -60 kip 1. Estimate the fully corrected endurance limit. Express your answer in ksi. 2. Determine the minimum factor of safety based on achieving infinite life 3. Determine the factor of safety against...
2. The bar in the figure is made of steel and is atiched to the wall at the base. neglecting any stress concentrations find the following: The location and value for the maximum stress in the bar. The minimum yield strength that would be required of the material to have a factor of safety of 1.15 using distortion energy and maximum shear stress theory. a. b. 200 mm mm round 250 mm 100 mm 1000 N
[3]. (3 marks) Figure below shows a bolted joint subjected to an external force P that fluctuates from 0 to 7 kips The steel bolt specification is 5/8"-11 UNC, SAE grade 5 material with rolled threads. The clamped members are steel of length 1.25 in each (with a total length of 2.5 in). Plain wide washers are utilized at both ends of the bolt. [a]. Using the Goodman line, determine the factor of safety guarding against fatigue failure for the...
131- (3 marks) Figure below shows a bolted joint subjected to an external force P that fluctuates from 0 to 7 kips. The steel bolt specification is 5/8"-11 UNC, SAE grade 5 material with rolled threads. The clamped members are steel of length 1.25 in each (with a total length of 2.5 in). Plain wide washers are utilized at both ends of the bolt. [a]. Using the Goodman line, determine the factor of safety guarding against fatigue failure for the...
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