Question:
If the ultimate strength and fracture points are far apart in a stress - strain curve of a material, then the material is said to be
If the ultimate strength and fracture points are far apart in a stress - strain curve of a material, then the material is said to be
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Ductile materials show significant plastic deformation before breaking.
Updated On: Apr 24, 2026
- ductile
- brittle
- perfectly elastic
- non malleable
- very hard
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
In a stress-strain curve, the distance between ultimate strength (maximum stress) and fracture point indicates plastic deformation.
Step 2: Detailed Explanation:
1. Ductile materials — undergo large plastic deformation before fracture. Ultimate strength and fracture points are far apart.
2. Brittle materials — fracture soon after elastic limit, points are close.
3. Perfectly elastic — no plastic region.
4. Non malleable — cannot be hammered into sheets.
5. Very hard — resists indentation.
Step 3: Final Answer:
The material is ductile.
In a stress-strain curve, the distance between ultimate strength (maximum stress) and fracture point indicates plastic deformation.
Step 2: Detailed Explanation:
1. Ductile materials — undergo large plastic deformation before fracture. Ultimate strength and fracture points are far apart.
2. Brittle materials — fracture soon after elastic limit, points are close.
3. Perfectly elastic — no plastic region.
4. Non malleable — cannot be hammered into sheets.
5. Very hard — resists indentation.
Step 3: Final Answer:
The material is ductile.
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