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Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Among the two stress strain curves generated from tensile tests up to the material failure, which curve, A or B represents that generated from a brittle material?
A
B
![**Title: Understanding Stress-Strain Curves in Materials**
**Content:**
Among the two stress-strain curves generated from tensile tests up to the material failure, which curve, A or B, represents that generated from a brittle material?
**Diagram Explanation:**
The image contains a graph with two stress-strain curves labeled A and B. The graph has vertical and horizontal axes representing stress (σ) and strain (ε), respectively.
- **Curve A**: This curve rises steeply and ends abruptly, indicating a sudden failure. It suggests minimal plastic deformation before fracture, characteristic of brittle materials.
- **Curve B**: This curve rises gradually and has a noticeable plateau before failing, indicating significant plastic deformation. This behavior is typically associated with ductile materials.
**Question Options:**
- ○ A
- ○ B
**Educational Insight:**
In material science, understanding the difference between brittle and ductile behaviors is crucial. Brittle materials tend to fracture suddenly without significant deformation, whereas ductile materials exhibit noticeable stretching or deforming before breaking. Curve A is an example of brittle material behavior.](https://content.bartleby.com/qna-images/question/8ede0637-a731-4aa5-a543-54dacf89e51e/b5e0b9d7-9d16-484f-8543-dc675ba8768d/yeg9m9r_thumbnail.png)
Transcribed Image Text:**Title: Understanding Stress-Strain Curves in Materials**
**Content:**
Among the two stress-strain curves generated from tensile tests up to the material failure, which curve, A or B, represents that generated from a brittle material?
**Diagram Explanation:**
The image contains a graph with two stress-strain curves labeled A and B. The graph has vertical and horizontal axes representing stress (σ) and strain (ε), respectively.
- **Curve A**: This curve rises steeply and ends abruptly, indicating a sudden failure. It suggests minimal plastic deformation before fracture, characteristic of brittle materials.
- **Curve B**: This curve rises gradually and has a noticeable plateau before failing, indicating significant plastic deformation. This behavior is typically associated with ductile materials.
**Question Options:**
- ○ A
- ○ B
**Educational Insight:**
In material science, understanding the difference between brittle and ductile behaviors is crucial. Brittle materials tend to fracture suddenly without significant deformation, whereas ductile materials exhibit noticeable stretching or deforming before breaking. Curve A is an example of brittle material behavior.
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- H pleasearrow_forwardThis steel alloy specimen had an original diameter of 12.8 mm and a gauge length of 50.80 mm: i) If it were subjected to a load of 120 kN and then released, what would have been its permanent elongation? Be thorough. ii) If it were subjected to a load of 230 kN and then released, what would have been its permanent elongation? Be thorough.arrow_forwardHello, the stress and cycles required for this question is Stress 1 = 420MPa at 7 cycles, Stress 2 = 360MPa at 65 cycles and Stress 3 = 130MPa at 325 cycles. Use the first three cycles (which shows how many cycles at that stress level to failure) to calculate when the specimen will fail if it underwent test of 7 cycles at 420MPa, then undergoes 360MPa for 65 cycles and finally 130MPa at 325 cycles. Will the specimen fail? Please show calculations of failurearrow_forward
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