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Gray iron contains-
- a)High compressive strength
- b)Low compressive strength
- c)High tensile strength
- d)Carbon as cementite
Correct answer is option 'A'. Can you explain this answer?
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Gray iron contains-a)High compressive strengthb)Low compressive stren...
Gray cast iron is a broad term used for a number of cast irons whose microstructures are characterized by the presence of flake graphite in the ferrous matrix. Such castings often contain 2.5% to 4% carbon, 1% to 3% silicon, and some additions of manganese ranging from 0.1% to 1.2%.
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Gray iron contains-a)High compressive strengthb)Low compressive stren...
High Compressive Strength of Gray Iron
Gray iron is a type of cast iron that is known for its high compressive strength. This is due to the microstructure of gray iron, which consists of graphite flakes dispersed throughout the ferritic matrix. This unique microstructure helps to inhibit the propagation of cracks and provides good resistance to compressive forces.
Microstructure of Gray Iron
- Gray iron contains graphite flakes in the ferritic matrix.
- The presence of graphite flakes gives gray iron its characteristic gray color.
Effect of Graphite Flakes
- The graphite flakes act as crack initiators and stoppers, improving the resistance of gray iron to compressive forces.
- This microstructure also provides good damping properties and wear resistance.
Comparison with Tensile Strength
- While gray iron has high compressive strength, it typically has lower tensile strength compared to other materials like steel.
- This makes gray iron more suitable for applications where compressive strength is crucial, such as in machinery components and brake systems.
Therefore, the correct answer is option 'A' – High compressive strength. Gray iron's unique microstructure and composition make it an excellent choice for applications requiring strong resistance to compressive forces.
Gray iron is a type of cast iron that is known for its high compressive strength. This is due to the microstructure of gray iron, which consists of graphite flakes dispersed throughout the ferritic matrix. This unique microstructure helps to inhibit the propagation of cracks and provides good resistance to compressive forces.
Microstructure of Gray Iron
- Gray iron contains graphite flakes in the ferritic matrix.
- The presence of graphite flakes gives gray iron its characteristic gray color.
Effect of Graphite Flakes
- The graphite flakes act as crack initiators and stoppers, improving the resistance of gray iron to compressive forces.
- This microstructure also provides good damping properties and wear resistance.
Comparison with Tensile Strength
- While gray iron has high compressive strength, it typically has lower tensile strength compared to other materials like steel.
- This makes gray iron more suitable for applications where compressive strength is crucial, such as in machinery components and brake systems.
Therefore, the correct answer is option 'A' – High compressive strength. Gray iron's unique microstructure and composition make it an excellent choice for applications requiring strong resistance to compressive forces.
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Gray iron contains-a)High compressive strengthb)Low compressive strengthc)High tensile strengthd)Carbon as cementiteCorrect answer is option 'A'. Can you explain this answer?
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Gray iron contains-a)High compressive strengthb)Low compressive strengthc)High tensile strengthd)Carbon as cementiteCorrect answer is option 'A'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about Gray iron contains-a)High compressive strengthb)Low compressive strengthc)High tensile strengthd)Carbon as cementiteCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Gray iron contains-a)High compressive strengthb)Low compressive strengthc)High tensile strengthd)Carbon as cementiteCorrect answer is option 'A'. Can you explain this answer?.
Gray iron contains-a)High compressive strengthb)Low compressive strengthc)High tensile strengthd)Carbon as cementiteCorrect answer is option 'A'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about Gray iron contains-a)High compressive strengthb)Low compressive strengthc)High tensile strengthd)Carbon as cementiteCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Gray iron contains-a)High compressive strengthb)Low compressive strengthc)High tensile strengthd)Carbon as cementiteCorrect answer is option 'A'. Can you explain this answer?.
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