Homework Answers
Add Answer to:
1.Below are stress-strain curves for 5 steels. (a) annealed low carbon steel, (b) a steel alloy...
Will rate if everything is complete. In the space below, sketch the generalized stress-strain behavior for...
Will rate if everything is complete.
In the space below, sketch the generalized stress-strain behavior for a typical metal, such as annealed brass. On your sketch, clearly identify each of the metal, such as annealed brass. On your sketch, clearly identify each of the following. a. 0.2% offset yield strength b. Young's modulus c. Proportional limit d. Ultimate tensile strength Onset of localized plastic deformation е. f. Region of uniform plastic deformation g. Fracture strength h. Ductility i. Toughness Modulus...
1. A large plate is fabricated from a steel alloy that has a plane strain fracture toughness of 8...
1. A large plate is fabricated from a steel alloy that has a plane strain fracture toughness of 82.4 MPavm. If the plate is exposed to a tensile stress of 345 MPa during service use, determine the minimum length of a surface crack that will lead to fracture. Assume a value of 1.0 for Y. Maximum stress at tip of elliptically shaped crack Pt 2Ery, 1/2 critical stress required for crack propagation in a brittle material πα KIe YoeVra Fracture...
Figure 2.1 shows the stress strain curves for three materials. For these materials answer the fol...
Figure 2.1 shows the stress strain curves for three materials. For these materials answer the following questions, giving reasons for your selection a) Which material has the highest elastic modulus? b) Which material has the highest ductility? c) Which material has the highest toughness? d) Which material has the highest yield strength? e) Which material has the highest ultimate tensile strength? f State respectively which material behaves like a: i. Metal ii. Polymer iii. Ceramic Figure 2.1 (NB. The points...
Q1 (10 points): Consider the two stress-strain curves shown to the right. Based on each of...
Q1 (10 points): Consider the two stress-strain curves shown to the right. Based on each of these stress-strain curves, calculate or identify the following items: (a) • Modulus of elasticity Yield stress Yield strain Ultimate stress Ultimate strain Fracture stress Fracture strain • Ductility ratio Modulus of resilience Modulus of toughness u oo Stress (ksi) Straini 0.0012 0.0031 0.0039 0.0064 0.0079 O Note: If any of the values you need to identify or calculate are not explicitly clear from the...
PROBLEM5 A tensile test specimen of stainless steel alloy having a diameter of 0.495 inches and...
PROBLEM5 A tensile test specimen of stainless steel alloy having a diameter of 0.495 inches and a gage length of 2.00 in was tested to fracture. Stress and strain data obtained during the test are shown below. Determine a. The modulus of elasticity b. The proportional limit c. the ultimate strength d, the yield strength (with a 0.20% offset) 160 Upper scale 120 Lower scale 40 0.0 0.020 0.040 0.060 0.080 0.100 0.120 L-Le 0.0 0.002 0.004 0.006 0.008 0.010...
manifactoring processes 1) Sketch Engineering stress vs. Engineering strain curve and True stress vs. true strain...
manifactoring processes 1) Sketch Engineering stress vs. Engineering strain curve and True stress vs. true strain curve from one uniaxial tension test for an engineering metals that shows power law strain hardening (e.g. aluminum or steel), within the same plot, and identify, from the curves, the material property parameters of: Yield strength (0.2% offset) Uniform engineering strain ultimate tensile strength (eng.) true stress and true strain at the onset of necking K and n from power-law fitting (the range of...
5. EVALUATION I. Create a stress-strain diagram for the measured values in table 1 and identify...
5. EVALUATION I. Create a stress-strain diagram for the measured values in table 1 and identify the mechanical properties of the material. (4 marks) II. Identify the following and label them in the graph. (12 marks) • Young's modulus Yield strength Elongation Ultimate tensile strength THEORETICAL BACKGROUND Equations: Cross-sectional Area (A) Modulus of Elasticity (E) Tensile Strength (ST) Percent Elongation (%EL) d? E = Sy Ey Sr Pu А %EL Extension at fracture Gauge Length Where: A: Cross- Sectional Area...
We've been given then stress-strain data of 3 materials pulled to failure: Low Carbon Steel, 7075...
We've been given then stress-strain data of 3 materials pulled
to failure: Low Carbon Steel, 7075 T6 Al, and PMMA. We were given
initial lengths of the material:
With the stress-strain data, our first task was to creak
stress-strain curves which I did in excel.
Low Carbon Steel:
7075 T6 Al:
PMMA:
Please help me find yield strength, ultimate strength, modulus
of elasticity, resilience, the percentage of elongation, and curve
type.
Material Initial Gauge Length (m) Final Guage Length (m)...
Q21. Which one of the following statements about the ductility of metals is TRUE? A High ductility occurs in brittle materials B Ductility is the amount of deformation at the 0.2% proof stress C Duct...
Q21. Which one of the following statements about the ductility of metals is TRUE? A High ductility occurs in brittle materials B Ductility is the amount of deformation at the 0.2% proof stress C Ductility can be measured as % reduction in area from broken tensile samples D Ductility is deformation in the elastic region E Ductility is the change between upper and lower yield point in steels Q22. Which one of the following statements is TRUE about Charpy impact...
1. What is difference between plain carbon steel and cast iron in terms of composition and toughn...
1. What is difference between plain carbon steel and cast iron in terms of composition and toughness? Illustrate the difference with the aid of an Fe-FesC eqilibrium phase diagram and stress strain diagram. 2. Perform the literature search and determine the composition and at least one application of the following ferrous alloys a. AISI4140 steel b. AISI 1045 steel с. А36 d. ASTM A312 steel e. ASTM 516 Grades 70 steel f D2 steel g. O1 steel h. AISI304 stainless...
Will rate if everything is complete.
In the space below, sketch the generalized stress-strain behavior for a typical metal, such as annealed brass. On your sketch, clearly identify each of the metal, such as annealed brass. On your sketch, clearly identify each of the following. a. 0.2% offset yield strength b. Young's modulus c. Proportional limit d. Ultimate tensile strength Onset of localized plastic deformation е. f. Region of uniform plastic deformation g. Fracture strength h. Ductility i. Toughness Modulus...
1. A large plate is fabricated from a steel alloy that has a plane strain fracture toughness of 82.4 MPavm. If the plate is exposed to a tensile stress of 345 MPa during service use, determine the minimum length of a surface crack that will lead to fracture. Assume a value of 1.0 for Y. Maximum stress at tip of elliptically shaped crack Pt 2Ery, 1/2 critical stress required for crack propagation in a brittle material πα KIe YoeVra Fracture...
Figure 2.1 shows the stress strain curves for three materials. For these materials answer the following questions, giving reasons for your selection a) Which material has the highest elastic modulus? b) Which material has the highest ductility? c) Which material has the highest toughness? d) Which material has the highest yield strength? e) Which material has the highest ultimate tensile strength? f State respectively which material behaves like a: i. Metal ii. Polymer iii. Ceramic Figure 2.1 (NB. The points...
Q1 (10 points): Consider the two stress-strain curves shown to the right. Based on each of these stress-strain curves, calculate or identify the following items: (a) • Modulus of elasticity Yield stress Yield strain Ultimate stress Ultimate strain Fracture stress Fracture strain • Ductility ratio Modulus of resilience Modulus of toughness u oo Stress (ksi) Straini 0.0012 0.0031 0.0039 0.0064 0.0079 O Note: If any of the values you need to identify or calculate are not explicitly clear from the...
PROBLEM5 A tensile test specimen of stainless steel alloy having a diameter of 0.495 inches and a gage length of 2.00 in was tested to fracture. Stress and strain data obtained during the test are shown below. Determine a. The modulus of elasticity b. The proportional limit c. the ultimate strength d, the yield strength (with a 0.20% offset) 160 Upper scale 120 Lower scale 40 0.0 0.020 0.040 0.060 0.080 0.100 0.120 L-Le 0.0 0.002 0.004 0.006 0.008 0.010...
5. EVALUATION I. Create a stress-strain diagram for the measured values in table 1 and identify the mechanical properties of the material. (4 marks) II. Identify the following and label them in the graph. (12 marks) • Young's modulus Yield strength Elongation Ultimate tensile strength THEORETICAL BACKGROUND Equations: Cross-sectional Area (A) Modulus of Elasticity (E) Tensile Strength (ST) Percent Elongation (%EL) d? E = Sy Ey Sr Pu А %EL Extension at fracture Gauge Length Where: A: Cross- Sectional Area...
We've been given then stress-strain data of 3 materials pulled
to failure: Low Carbon Steel, 7075 T6 Al, and PMMA. We were given
initial lengths of the material:
With the stress-strain data, our first task was to creak
stress-strain curves which I did in excel.
Low Carbon Steel:
7075 T6 Al:
PMMA:
Please help me find yield strength, ultimate strength, modulus
of elasticity, resilience, the percentage of elongation, and curve
type.
Material Initial Gauge Length (m) Final Guage Length (m)...
Q21. Which one of the following statements about the ductility of metals is TRUE? A High ductility occurs in brittle materials B Ductility is the amount of deformation at the 0.2% proof stress C Ductility can be measured as % reduction in area from broken tensile samples D Ductility is deformation in the elastic region E Ductility is the change between upper and lower yield point in steels Q22. Which one of the following statements is TRUE about Charpy impact...
1. What is difference between plain carbon steel and cast iron in terms of composition and toughness? Illustrate the difference with the aid of an Fe-FesC eqilibrium phase diagram and stress strain diagram. 2. Perform the literature search and determine the composition and at least one application of the following ferrous alloys a. AISI4140 steel b. AISI 1045 steel с. А36 d. ASTM A312 steel e. ASTM 516 Grades 70 steel f D2 steel g. O1 steel h. AISI304 stainless...
Most questions answered within 3 hours.
-
x
P(x)
0
0.25
1
0.2
2
0.15
3
0.4
Find the standard deviation of this...
asked 38 minutes ago -
An economist claims that he has found evidence to support the
assumption that the investment expenditure...
asked 1 hour ago -
Question 10 (1 point)
Suppose that a researcher studying the weight of female college
athletes wants...
asked 2 hours ago -
a. Using your
molecular modeling kit, build a model of sucrose. Locate the oxygen
bridge in...
asked 2 hours ago -
Below is a
linear time complexity algorithm Max-Min-VER1 to find the biggest
and smallest element a...
asked 2 hours ago -
A women tries to swim perpendicular across the river to the
opposite bank at 2.0m/s with...
asked 3 hours ago -
The amount of time it takes for a student to complete a
statistics quiz is uniformly...
asked 4 hours ago -
True or False: If some system undergoes a reversible,
isothermal
process, then its entropy must remain...
asked 3 hours ago -
You are analyzing the after-tax cost of debt for a firm. You
know that the firm’s...
asked 3 hours ago -
You
are dining with a friend and use the friend's spoon to taste her
food, if...
asked 4 hours ago -
explain why The elasticity of demand for labor is higher the
higher the elasticity of supply...
asked 4 hours ago -
Hi just need to know if these statements are true or false and
why!!!
1. Magnetic...
asked 4 hours ago