Homework Answers
Point "A" indicate Proportion limit , so that , upto point A stress - strain relation is linear.
Point "D" indicate Ultimate stress , so that , maximum stress which a material can resist.
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F3–2. Indicate the points on the stress-strain diagram which represent the proportional limit and the ultimate...
Question 5: Draw a typical stress-strain relationship (graph) for steel subjected to tension. On that graph,...
Question 5: Draw a typical stress-strain relationship (graph) for steel subjected to tension. On that graph, show the initial tangent modulus (slope only), proportional limit, elastic limit, the yield strength, ultimate strength and rupture stress. Also indicate the area that would be used to determine the modulus of resilience. (2+6+3 =11 Points)
Identify the parts of the stress-strain diagram. For each property or region of the stress diagram...
Identify the parts of the stress-strain diagram. For each property or region of the stress diagram listed below, type the letter that corresponds to its placement on the stress-strain diagram. Strain hardening Young's modulus Necking Yield plateau / yielding Yield stress. Ultimate stress
Which point on the stress strain curve occurs after the ultimate point? Select one: O a....
Which point on the stress strain curve occurs after the ultimate point? Select one: O a. Material limit O b. Yield point O c. Elastic limit O d. Breaking point
1. Stress-Strain Diagrams (10 points) Draw and label a Stress-Strain diagram for two materials with the...
1. Stress-Strain Diagrams (10 points) Draw and label a Stress-Strain diagram for two materials with the following properties. (B) is brittle and has a Young's Modulus that is twice as large as (A). The elastic limit, yield point and rupture occur almost simultaneously for (B). (A) is a ductile material that undergoes plastic deformation prior to rupture. The toughness of (A) is approximately 4x as large as (B). You do not need to label any points on the curves other...
MFG 333: Strength of Materials Lab 4b: Stress-strain Diagram Given the data set in the table...
MFG 333: Strength of Materials Lab 4b: Stress-strain Diagram Given the data set in the table below from a tensile test experiment, generate the strain and stress columns and create the stress-strain diagram for the material in Microsoft Excel. From the graph estimate: a. Proportional limit stress b. Proportional limit strain c. Elastic modulus d. Yield strength (0.2% offset) e. Tensile strength L f. Fracture strain Gauge length Initial diameter 50 mm 12.5 mm Length (mm) 50.00 50.05 50.08 50.12...
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
2) Draw two schematic graphs using pencil showing a typical stress-strain curve for aluminum. The first...
2) Draw two schematic graphs using pencil showing a typical stress-strain curve for aluminum. The first graph should show engineering stress vs engineering strain, and the second graph should show true stress vs true strain. Label the showing: (i) elastic modulus (ii) proportional limit (iii) yield stress (iv) yield strain (v) fracture stress (vi) fracture strain on each graph. You may show both graphs on one plot. (5 points)
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...
Stress-Strain Diagram-2 Stress Strain Diagram 120 100 80 60 40 20 0.02 0.04 0.06 0.08 0.1...
Stress-Strain Diagram-2 Stress Strain Diagram 120 100 80 60 40 20 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 0.2 0.22 e(in/in) 5) Refer to Stress-Strain Diagram 2. If a rod of this material has an original diameter of 0.5 in and an original length (unloaded) of 144 in, how long was the rod at rupture? A) 145 in B) 29 in C) 173 in D) 164 in
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...
Question 5: Draw a typical stress-strain relationship (graph) for steel subjected to tension. On that graph, show the initial tangent modulus (slope only), proportional limit, elastic limit, the yield strength, ultimate strength and rupture stress. Also indicate the area that would be used to determine the modulus of resilience. (2+6+3 =11 Points)
Identify the parts of the stress-strain diagram. For each property or region of the stress diagram listed below, type the letter that corresponds to its placement on the stress-strain diagram. Strain hardening Young's modulus Necking Yield plateau / yielding Yield stress. Ultimate stress
Which point on the stress strain curve occurs after the ultimate point? Select one: O a. Material limit O b. Yield point O c. Elastic limit O d. Breaking point
1. Stress-Strain Diagrams (10 points) Draw and label a Stress-Strain diagram for two materials with the following properties. (B) is brittle and has a Young's Modulus that is twice as large as (A). The elastic limit, yield point and rupture occur almost simultaneously for (B). (A) is a ductile material that undergoes plastic deformation prior to rupture. The toughness of (A) is approximately 4x as large as (B). You do not need to label any points on the curves other...
MFG 333: Strength of Materials Lab 4b: Stress-strain Diagram Given the data set in the table below from a tensile test experiment, generate the strain and stress columns and create the stress-strain diagram for the material in Microsoft Excel. From the graph estimate: a. Proportional limit stress b. Proportional limit strain c. Elastic modulus d. Yield strength (0.2% offset) e. Tensile strength L f. Fracture strain Gauge length Initial diameter 50 mm 12.5 mm Length (mm) 50.00 50.05 50.08 50.12...
2) Draw two schematic graphs using pencil showing a typical stress-strain curve for aluminum. The first graph should show engineering stress vs engineering strain, and the second graph should show true stress vs true strain. Label the showing: (i) elastic modulus (ii) proportional limit (iii) yield stress (iv) yield strain (v) fracture stress (vi) fracture strain on each graph. You may show both graphs on one plot. (5 points)
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...
Stress-Strain Diagram-2 Stress Strain Diagram 120 100 80 60 40 20 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 0.18 0.2 0.22 e(in/in) 5) Refer to Stress-Strain Diagram 2. If a rod of this material has an original diameter of 0.5 in and an original length (unloaded) of 144 in, how long was the rod at rupture? A) 145 in B) 29 in C) 173 in D) 164 in
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...
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