Question:
In the strain-stress curve for a material, if the ultimate strength and fracture points are close, then the material is
In the strain-stress curve for a material, if the ultimate strength and fracture points are close, then the material is
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Brittle materials fail suddenly without warning plastic deformation.
Updated On: Jun 22, 2026
- Ductile
- Elastomer
- Brittle
- Plastic \bigskip
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The Correct Option is C
Solution and Explanation
Concept:
Stress–strain curve describes how materials behave under applied force. The nature of material depends on how much plastic deformation occurs before fracture.
Step 1: Understand ductile vs brittle behavior.
• Ductile materials show large plastic deformation before breaking.
• Brittle materials break almost immediately after reaching ultimate strength.
Step 2: Analyze given condition.
The statement says: \[ \text{ultimate strength point} \approx \text{fracture point} \] This means very little or no plastic deformation occurs.
Step 3: Conclusion.
Such behavior is characteristic of brittle materials like glass and ceramics. Final Answer: \[ (C)\ \text{Brittle} \]
Step 1: Understand ductile vs brittle behavior.
• Ductile materials show large plastic deformation before breaking.
• Brittle materials break almost immediately after reaching ultimate strength.
Step 2: Analyze given condition.
The statement says: \[ \text{ultimate strength point} \approx \text{fracture point} \] This means very little or no plastic deformation occurs.
Step 3: Conclusion.
Such behavior is characteristic of brittle materials like glass and ceramics. Final Answer: \[ (C)\ \text{Brittle} \]
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