Question
In: Mechanical Engineering
An ASTM A36 steel having a yield strength of 235 MPa, a tensile strength of 640...
An ASTM A36 steel having a yield strength of 235 MPa, a tensile strength of 640 MPa, and an endurance limit of 210 MPa is subjected to a cyclic loading. Using the Goodman diagram, predict whether the material has an infinite fatigue life, or whether it will fail by yielding or fatigue, when the cyclic stress is between:
(i) 0 and 250 MPa.
(ii) 95 ± 220 MPa
Solutions
samet mamat answered 2 years agoRelated Solutions
low carbon steel having a tensile strength of 350 MPa and shear strength of 250 MPa...
low carbon steel having a tensile strength of 350 MPa and shear
strength of 250 MPa is cut in a turning operation with a cutting
speed of 200 m/min. The feed is 0.3 mm/rev and the depth of cut is
4.8 mm. The rake angle of the tool is 12 degrees in the direction
of chip flow. The resulting chip ratio is 0.8. Using the orthogonal
model as an approximation of turning determine...
a.The shear plane angle.
b. Shear force...
For a brass alloy, the tensile strength is 400 MPa, the yield strength is 315 MPa...
For a brass alloy, the tensile strength is 400 MPa, the yield
strength is 315 MPa and the modulus of elasticity is 100 GPa.
(a) What is the maximum load that may applied to the specimen
with a cross sectional area of 130 mm2 before it fractures?
(b) For the same cross sectional area, if the original length of
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a load of 13000 N is applied...
An article suggested that yield strength (ksi) for A36 grade steel is normally distributed with μ...
An article suggested that yield strength (ksi) for A36 grade
steel is normally distributed with μ = 44 and σ =
4.5.
(a) What is the probability that yield strength is at most 38?
Greater than 60? (Round your answers to four decimal places.)
at most 38
greater than 60
What yield strength value separates the strongest 75% from the
others? (Round your answer to three decimal places.)
__________ ksi
An article suggested that yield strength (ksi) for A36 grade steel is normally distributed with μ...
An article suggested that yield strength (ksi) for A36 grade
steel is normally distributed with μ = 44 and σ =
5.0.
(a) What is the probability that yield strength is at most 40?
Greater than 64? (Round your answers to four decimal places.)
at most 40
greater than 64
(b) What yield strength value separates the strongest 75% from the
others? (Round your answer to three decimal places.)
____________ ksi
An article suggested that yield strength (ksi) for A36 grade steel is normally distributed with μ...
An article suggested that yield strength (ksi) for A36 grade
steel is normally distributed with μ = 45 and σ =
4.5.
(a) What is the probability that yield strength is at most 40?
Greater than 63? (Round your answers to four decimal places.)
at most 40
greater than 63
(b) What yield strength value separates the strongest 75% from the
others? (Round your answer to three decimal places.)
ksi
An engineer who is studying the tensile strength of a steel alloy knows that tensile strength...
An engineer who is studying the tensile strength of a steel
alloy knows that tensile strength is approximately normally
distributed with sigma= 60 psi. A random sample of 12 specimens has
a mean tensile strength of 3450 psi.
a) Compute a two-side confidence interval on the maen tensile
strength at a 95% confidence level.
b) Test the hypothesis that the mean strength is 3500 psi at
alfa=0.05, and provide a conclusion statement.
c) If we keep the signifiance level constant...
An engineer who is studying the tensile strength of a steel alloy knows that tensile strength...
An engineer who is studying the tensile strength of a steel
alloy knows that tensile strength
is approximately normally distributed with σ = 60 psi. A random
sample of 12 specimens
has a mean tensile strength of 3450 psi.
a) Compute a two-sided confidence interval on the mean tensile
strength at a 95%
confidence level
b) Test the hypothesis that the mean strength is 3500 psi at α=
0.05, and provide a
conclusion statement
Of the materials shown with a tensile strength of 1000 MPa, the densest ones are high...
Of the materials shown with a tensile strength of 1000 MPa, the
densest ones are
high carbon steel
nickel-based superalloys
titanium alloys
tungsten alloys
At a tensile strength of 1000 MPa, the material with the lowest embodied energy is titanium...
At a tensile strength of 1000 MPa, the material with the lowest
embodied energy is
titanium alloys
high carbon steel
nickel-based superalloys
tungsten alloys
1) An engineer who is studying the tensile strength of a steel alloy knows that tensile...
1) An engineer who is studying the tensile strength of a steel
alloy knows that tensile strength
is approximately normally distributed with σ = 60 psi. A random
sample of 12 specimens
has a mean tensile strength of 3450 psi.
a) Compute a two-sided confidence interval on the mean tensile
strength at a 95%
confidence level
b) Test the hypothesis that the mean strength is 3500 psi at α=
0.05, and provide a
conclusion statement
c) If we keep the...
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