Why are ceramics weaker in tension, plot their stress strain curve in tension and compression
Why are ceramics weaker in tension, plot their stress strain curve in tension and compression
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
100%
Please no typing no internet connection

Transcribed Image Text:**Question 7: Why are ceramics weaker in tension? Plot their stress-strain curve in tension and compression.**
*Explanation:*
Ceramics are generally considered weaker in tension than in compression for several reasons:
1. **Brittleness**: Ceramics are brittle materials, meaning they have little to no plastic deformation before fracture. This characteristic makes them prone to crack initiation and propagation under tensile stress.
2. **Internal Flaws**: Ceramics often contain microcracks or flaws introduced during their creation. Under tensile stress, these flaws tend to open and propagate, leading to failure.
3. **Grain Structure**: The grain structure in ceramics contributes to their directional strength, usually favoring compressive strength over tensile strength.
*Stress-Strain Curve Explanation:*
In a stress-strain curve for ceramics, you typically observe:
- **Plot for Tension**: The curve rises steeply, representing high stiffness, and then abruptly drops when the material fractures, showing little to no yielding.
- **Plot for Compression**: The curve is steeper and extends further, indicating a higher compressive strength. Ceramics can support higher stress levels in compression before failure occurs.
Visualizing this on a graph:
- The **x-axis** represents strain, showing deformation.
- The **y-axis** represents stress, showing the applied force.
- The tensile curve will show a steep incline and sudden drop.
- The compressive curve will extend further with a plateau or end point signifying failure.
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps with 1 images

Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you

Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press

Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON

Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education

Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press

Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON

Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education

Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY

Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning

Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY