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Superplastic behaviour is observed in
- a)Steel and Cast iron
- b)Aluminium, Zinc and Magnesium
- c)Bubble gum, Glass and Thermoplastics
- d)Cement and Bricks
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Superplastic behaviour is observed ina)Steel and Cast ironb)Aluminium,...
Understanding Superplastic Behavior
Superplasticity refers to the ability of certain materials to undergo extreme deformation without necking or breaking. This phenomenon is particularly notable in some polymers and non-metallic materials.
Materials Exhibiting Superplastic Behavior
- Bubble Gum:
- Exhibits high ductility when stretched, allowing for significant elongation without breaking.
- Glass:
- At elevated temperatures, glass can flow and deform like a superplastic material, especially in forming processes.
- Thermoplastics:
- Certain thermoplastic polymers can be heated to a point where they become soft and pliable, allowing for extensive shaping and forming.
Why Other Options Do Not Qualify
- Steel and Cast Iron:
- While these materials are ductile and can undergo plastic deformation, they do not exhibit superplastic behavior under standard conditions.
- Aluminium, Zinc, and Magnesium:
- These metals can show good formability but lack the extreme elongation characteristics typical of superplastic materials without specific processing conditions.
- Cement and Bricks:
- These materials are brittle and do not exhibit superplastic behavior. They can fracture under stress rather than deform significantly.
Conclusion
In summary, the correct answer is option 'C' because bubble gum, glass, and thermoplastics can undergo significant deformation without breaking, illustrating the essential characteristics of superplastic behavior. They are capable of large strains, making them unique in their mechanical properties.
Superplasticity refers to the ability of certain materials to undergo extreme deformation without necking or breaking. This phenomenon is particularly notable in some polymers and non-metallic materials.
Materials Exhibiting Superplastic Behavior
- Bubble Gum:
- Exhibits high ductility when stretched, allowing for significant elongation without breaking.
- Glass:
- At elevated temperatures, glass can flow and deform like a superplastic material, especially in forming processes.
- Thermoplastics:
- Certain thermoplastic polymers can be heated to a point where they become soft and pliable, allowing for extensive shaping and forming.
Why Other Options Do Not Qualify
- Steel and Cast Iron:
- While these materials are ductile and can undergo plastic deformation, they do not exhibit superplastic behavior under standard conditions.
- Aluminium, Zinc, and Magnesium:
- These metals can show good formability but lack the extreme elongation characteristics typical of superplastic materials without specific processing conditions.
- Cement and Bricks:
- These materials are brittle and do not exhibit superplastic behavior. They can fracture under stress rather than deform significantly.
Conclusion
In summary, the correct answer is option 'C' because bubble gum, glass, and thermoplastics can undergo significant deformation without breaking, illustrating the essential characteristics of superplastic behavior. They are capable of large strains, making them unique in their mechanical properties.
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Superplastic behaviour is observed ina)Steel and Cast ironb)Aluminium, Zinc and Magnesiumc)Bubble gum, Glass and Thermoplasticsd)Cement and BricksCorrect answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Superplastic behaviour is observed ina)Steel and Cast ironb)Aluminium, Zinc and Magnesiumc)Bubble gum, Glass and Thermoplasticsd)Cement and BricksCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Superplastic behaviour is observed ina)Steel and Cast ironb)Aluminium, Zinc and Magnesiumc)Bubble gum, Glass and Thermoplasticsd)Cement and BricksCorrect answer is option 'C'. Can you explain this answer?.
Superplastic behaviour is observed ina)Steel and Cast ironb)Aluminium, Zinc and Magnesiumc)Bubble gum, Glass and Thermoplasticsd)Cement and BricksCorrect answer is option 'C'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Superplastic behaviour is observed ina)Steel and Cast ironb)Aluminium, Zinc and Magnesiumc)Bubble gum, Glass and Thermoplasticsd)Cement and BricksCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Superplastic behaviour is observed ina)Steel and Cast ironb)Aluminium, Zinc and Magnesiumc)Bubble gum, Glass and Thermoplasticsd)Cement and BricksCorrect answer is option 'C'. Can you explain this answer?.
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