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The Cast Iron which possesses all the carbon in combined form as cementite is known as
- a)Malleable Cast Iron
- b)White Cast Iron
- c)Grey Cast Iron
- d)Spheroidal Cast Iro
Correct answer is option 'B'. Can you explain this answer?
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The Cast Iron which possesses all the carbon in combined form as cemen...
The cast iron which possesses all the carbon in combine form as cementite is known as white C.I.
Hence, the correct option is (B).
Hence, the correct option is (B).
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The Cast Iron which possesses all the carbon in combined form as cemen...
White Cast Iron
White cast iron is a type of cast iron that possesses all the carbon in combined form as cementite. It is known for its hardness and brittleness, and it is commonly used in applications where high wear resistance is required, such as in the production of grinding balls, liners for ball mills, and wear-resistant parts for crushers.
Composition
White cast iron is primarily composed of iron and cementite. Cementite, also known as iron carbide (Fe3C), is a hard and brittle compound that forms when carbon atoms combine with iron atoms. In white cast iron, all the carbon is present in the form of cementite, which gives the iron its characteristic white appearance.
Formation
White cast iron is formed by rapid cooling of molten iron, preventing the carbon from precipitating out as graphite. The rapid cooling process traps the carbon in the iron matrix, forming cementite instead of graphite. As a result, the iron retains its hardness and brittleness, making it suitable for applications requiring high wear resistance.
Properties
- Hardness: White cast iron is extremely hard due to the presence of cementite. It has a hardness of around 500-700 Brinell, which is significantly higher than other forms of cast iron.
- Brittleness: White cast iron is also highly brittle, meaning it is prone to fracture when subjected to stress or impact. This limits its use in applications where toughness and ductility are important.
- Wear Resistance: The high hardness of white cast iron makes it highly resistant to wear, making it suitable for applications involving abrasive materials or high impact forces.
- Machinability: Due to its hardness and brittleness, white cast iron is difficult to machine. Specialized tools and techniques are required to work with this material.
Applications
White cast iron is commonly used in applications requiring high wear resistance, such as:
- Grinding balls and liners for ball mills: The hardness and wear resistance of white cast iron make it ideal for grinding applications in the mining and cement industries.
- Wear-resistant parts for crushers: Components subject to high impact forces, such as crusher hammers and impact plates, are often made from white cast iron.
- Chilled iron rolls: White cast iron is used in the production of chilled iron rolls, which are used in rolling mills to shape and form metal products.
Overall, white cast iron is a specialized form of cast iron that possesses all the carbon in combined form as cementite. Its hardness and wear resistance make it suitable for specific applications where these properties are required, but its brittleness limits its use in applications where toughness and ductility are important.
White cast iron is a type of cast iron that possesses all the carbon in combined form as cementite. It is known for its hardness and brittleness, and it is commonly used in applications where high wear resistance is required, such as in the production of grinding balls, liners for ball mills, and wear-resistant parts for crushers.
Composition
White cast iron is primarily composed of iron and cementite. Cementite, also known as iron carbide (Fe3C), is a hard and brittle compound that forms when carbon atoms combine with iron atoms. In white cast iron, all the carbon is present in the form of cementite, which gives the iron its characteristic white appearance.
Formation
White cast iron is formed by rapid cooling of molten iron, preventing the carbon from precipitating out as graphite. The rapid cooling process traps the carbon in the iron matrix, forming cementite instead of graphite. As a result, the iron retains its hardness and brittleness, making it suitable for applications requiring high wear resistance.
Properties
- Hardness: White cast iron is extremely hard due to the presence of cementite. It has a hardness of around 500-700 Brinell, which is significantly higher than other forms of cast iron.
- Brittleness: White cast iron is also highly brittle, meaning it is prone to fracture when subjected to stress or impact. This limits its use in applications where toughness and ductility are important.
- Wear Resistance: The high hardness of white cast iron makes it highly resistant to wear, making it suitable for applications involving abrasive materials or high impact forces.
- Machinability: Due to its hardness and brittleness, white cast iron is difficult to machine. Specialized tools and techniques are required to work with this material.
Applications
White cast iron is commonly used in applications requiring high wear resistance, such as:
- Grinding balls and liners for ball mills: The hardness and wear resistance of white cast iron make it ideal for grinding applications in the mining and cement industries.
- Wear-resistant parts for crushers: Components subject to high impact forces, such as crusher hammers and impact plates, are often made from white cast iron.
- Chilled iron rolls: White cast iron is used in the production of chilled iron rolls, which are used in rolling mills to shape and form metal products.
Overall, white cast iron is a specialized form of cast iron that possesses all the carbon in combined form as cementite. Its hardness and wear resistance make it suitable for specific applications where these properties are required, but its brittleness limits its use in applications where toughness and ductility are important.
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The Cast Iron which possesses all the carbon in combined form as cementite is known asa)Malleable Cast Ironb)White Cast Iron c)Grey Cast Irond)Spheroidal Cast IroCorrect answer is option 'B'. Can you explain this answer?
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The Cast Iron which possesses all the carbon in combined form as cementite is known asa)Malleable Cast Ironb)White Cast Iron c)Grey Cast Irond)Spheroidal Cast IroCorrect answer is option 'B'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about The Cast Iron which possesses all the carbon in combined form as cementite is known asa)Malleable Cast Ironb)White Cast Iron c)Grey Cast Irond)Spheroidal Cast IroCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The Cast Iron which possesses all the carbon in combined form as cementite is known asa)Malleable Cast Ironb)White Cast Iron c)Grey Cast Irond)Spheroidal Cast IroCorrect answer is option 'B'. Can you explain this answer?.
The Cast Iron which possesses all the carbon in combined form as cementite is known asa)Malleable Cast Ironb)White Cast Iron c)Grey Cast Irond)Spheroidal Cast IroCorrect answer is option 'B'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about The Cast Iron which possesses all the carbon in combined form as cementite is known asa)Malleable Cast Ironb)White Cast Iron c)Grey Cast Irond)Spheroidal Cast IroCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The Cast Iron which possesses all the carbon in combined form as cementite is known asa)Malleable Cast Ironb)White Cast Iron c)Grey Cast Irond)Spheroidal Cast IroCorrect answer is option 'B'. Can you explain this answer?.
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