Homework Answers
Modulous of elasticity is defined as the slope of stress strain curve. The ultimate strength of material is the maximum stress developed which can be find out by given diagram.
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PROBLEM5 A tensile test specimen of stainless steel alloy having a diameter of 0.495 inches and...
(c) Acylindrical specimen of stainless steel having a diameter of 12.8 mm and a gauge length...
(c) Acylindrical specimen of stainless steel having a diameter of 12.8 mm and a gauge length of 50.800 mm is pulled in tension. The data acquired was used to plot engineering stress versus engineering strain as shown in the following two graphs (please note that fig. b is a blown-up clastic portion of (a)). Use the o-curves to complete parts through (vi) Stress (MP) 0.00 0.02 0.04 0.06 0.08 0.10 Strain Fig (a). - curve of stainless steel Stress (MPa)...
Assignment 01 TOT Mechanical Properties of Materials 1. A tensile test specimen has a gage length...
Assignment 01 TOT Mechanical Properties of Materials 1. A tensile test specimen has a gage length = 50 mm and its cross-sectional area = 100 mm. The specimen yields at 48,000 N, and the corresponding gage length - 50.23 mm. This is the 0.2 ent yield point. The maximum load of 87,000 N is reached at a gage length 64.2 mm. Determine (a) yield strength, (b) modulus of elasticity, and (c) tensile strength. (d) If fracture occurs at a gage...
1. A tensile test was performed using a standard 0.505 in. diameter specimen (Do 0.505 in)...
1. A tensile test was performed using a standard 0.505 in. diameter specimen (Do 0.505 in) of 4140 steel with 2 inch initial gage length (Lo 2.00 in), and the following were determined: . Elastic Modulus (E)-30 x 106 psi Yield Strength (To) = 60,000 psi Strain at maximum load = 0.15 .Breaking Load (Pbreak) 15,000 lbs Maximum Load (Pa) 20,000 lbs 0 % Elongation-25% . a. (3 points) Calculate the stress at the break point: b. (5 points) Calculate...
1.6 points) A tensile test specimen having a diameter of 10 mm and a gange length...
1.6 points) A tensile test specimen having a diameter of 10 mm and a gange length of 50 mm wa. tested to fracture. The stress-strain curve from the tension test is shown below. Labeling your points and showing the necessary steps, along with the corresponding calculations, find the following magnitudes: (a) Modulus of Elasticity, E = (b) Ultimate Strength = (e) Yield stress (0.2% offset method), (d) If the shear modulus of elasticity of the material is 28 GPa, determine...
3. In a stress–strain curve from a tension test, the specimen begins to neck and the...
3. In a stress–strain curve from a tension test, the specimen begins to neck and the elongation between the gage marks is no longer uniform once the load is beyond . a) yield strength b) proportional limit c) ultimate tensile strength d) Fracture stress 4. The two parameters that can define ductility are _____ and _______. a) elongation b) engineering strain c) reduction of area c) poisson’s ratio
Question 15 15 pts A tensile test specimen has a 2.088"gage length and 0.905" diameter. Yield...
Question 15 15 pts A tensile test specimen has a 2.088"gage length and 0.905" diameter. Yield occurs at a load of 27.808.7 lb wherein the specimen gage is 83.0 10-4"longer. This is an 0.2 percent yield point. Young's Modulus is __psi. Question 16 15 pts A tensile test specimen has a 2.0 in. gage length and 0.875 in. diameter. Yield occurs at a load of 31,000.0 lb wherein the specimen gage is 83.0 10-4 in longer. This is an 0.2...
The stress–strain diagram for a steel alloy having an original diameter of 0.5 in. and a...
The stress–strain diagram for a steel alloy having an original
diameter of 0.5 in. and a gauge length of 2 in. is given in the
figure. If the specimen is loaded until it is stressed to 90 ksi,
determine the approximate amount of elastic recovery and the
increase in the gauge length after it is unloaded. Determine also
approximately the modulus of resilience and the modulus of
toughness for the material.
in. /in.) 0 0 - 0.05 0.10 0.15 0.20...
2. (70 pts) A cylindrical specimen of an alloy having a diameter of 12.8 mm and...
2. (70 pts) A cylindrical specimen of an alloy having a diameter of 12.8 mm and a gauge length of 50.800 mm is pulled in tension. The load-length data are recorded during the test and are tabulated below. After fracture, the diameter of the specimen near the fracture point was 9.5 mm. Load (N) 7,330 15,100 23,100 30,400 34,400 38,400 41,300 44.800 46,200 47,300 47,500 46,100 44,800 42,600 36,400 Length (mm) 50.800 50.851 50.902 50.952 51.003 51.054 51.308 51.816 52.832...
It is desired to evaluate the tensile properties of an aluminum alloy. A tensile test is...
It is desired to evaluate the tensile properties of an aluminum alloy. A tensile test is performed using a standard cylindrical tensile specimen with a diameter of 12.8 mm and a gauge length of 50.800 mm. The gage length and final diameter of the sample are measured after the sample is removed from the testing machine. The gage length and the diameter of the necked region after the specimen was removed from the testing machine are 60 mm and 9...
The following data was collected from a standard 12.827 mm diameter tensile test specimen of a...
The following data was collected from a standard 12.827 mm diameter tensile test specimen of a copper alloy with a gauge length of 50. 80mm. An initial cross head speed of 8.5mm/minute was used. After fracture, the gauge length was 76.556mm and the diameter was 9.5mm. Load (kN) Gauge Length (mm) 0 50.8 13.44 50.842 26.88 50.885 33.60 50.906 40.32 51.029 47.04 51.816 53.76 57.404 55.55 63.500 51.07 (fracture) 76.708 Use the given data to plot a graph and: (a)...
(c) Acylindrical specimen of stainless steel having a diameter of 12.8 mm and a gauge length of 50.800 mm is pulled in tension. The data acquired was used to plot engineering stress versus engineering strain as shown in the following two graphs (please note that fig. b is a blown-up clastic portion of (a)). Use the o-curves to complete parts through (vi) Stress (MP) 0.00 0.02 0.04 0.06 0.08 0.10 Strain Fig (a). - curve of stainless steel Stress (MPa)...
Assignment 01 TOT Mechanical Properties of Materials 1. A tensile test specimen has a gage length = 50 mm and its cross-sectional area = 100 mm. The specimen yields at 48,000 N, and the corresponding gage length - 50.23 mm. This is the 0.2 ent yield point. The maximum load of 87,000 N is reached at a gage length 64.2 mm. Determine (a) yield strength, (b) modulus of elasticity, and (c) tensile strength. (d) If fracture occurs at a gage...
1. A tensile test was performed using a standard 0.505 in. diameter specimen (Do 0.505 in) of 4140 steel with 2 inch initial gage length (Lo 2.00 in), and the following were determined: . Elastic Modulus (E)-30 x 106 psi Yield Strength (To) = 60,000 psi Strain at maximum load = 0.15 .Breaking Load (Pbreak) 15,000 lbs Maximum Load (Pa) 20,000 lbs 0 % Elongation-25% . a. (3 points) Calculate the stress at the break point: b. (5 points) Calculate...
1.6 points) A tensile test specimen having a diameter of 10 mm and a gange length of 50 mm wa. tested to fracture. The stress-strain curve from the tension test is shown below. Labeling your points and showing the necessary steps, along with the corresponding calculations, find the following magnitudes: (a) Modulus of Elasticity, E = (b) Ultimate Strength = (e) Yield stress (0.2% offset method), (d) If the shear modulus of elasticity of the material is 28 GPa, determine...
Question 15 15 pts A tensile test specimen has a 2.088"gage length and 0.905" diameter. Yield occurs at a load of 27.808.7 lb wherein the specimen gage is 83.0 10-4"longer. This is an 0.2 percent yield point. Young's Modulus is __psi. Question 16 15 pts A tensile test specimen has a 2.0 in. gage length and 0.875 in. diameter. Yield occurs at a load of 31,000.0 lb wherein the specimen gage is 83.0 10-4 in longer. This is an 0.2...
The stress–strain diagram for a steel alloy having an original
diameter of 0.5 in. and a gauge length of 2 in. is given in the
figure. If the specimen is loaded until it is stressed to 90 ksi,
determine the approximate amount of elastic recovery and the
increase in the gauge length after it is unloaded. Determine also
approximately the modulus of resilience and the modulus of
toughness for the material.
in. /in.) 0 0 - 0.05 0.10 0.15 0.20...
2. (70 pts) A cylindrical specimen of an alloy having a diameter of 12.8 mm and a gauge length of 50.800 mm is pulled in tension. The load-length data are recorded during the test and are tabulated below. After fracture, the diameter of the specimen near the fracture point was 9.5 mm. Load (N) 7,330 15,100 23,100 30,400 34,400 38,400 41,300 44.800 46,200 47,300 47,500 46,100 44,800 42,600 36,400 Length (mm) 50.800 50.851 50.902 50.952 51.003 51.054 51.308 51.816 52.832...
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