Mechanical Engineering Exam > Mechanical Engineering Questions > Sintering is done toa)Decrease the ductility....
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Sintering is done to
- a)Decrease the ductility.
- b)Decrease the final strength.
- c)Increase the final strength.
- d)Increase the porosity.
Correct answer is option 'C'. Can you explain this answer?
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Sintering is done toa)Decrease the ductility.b)Decrease the final stre...
Sintering is done to increase the final strength.
Sintering is the process whereby the green compacts are heated in a controlled atmosphere which results in decrease in porosity and brittleness which in turn increases the final strength of the component.
Most Upvoted Answer
Sintering is done toa)Decrease the ductility.b)Decrease the final stre...
Explanation:
Sintering:
Sintering is a process used to increase the final strength of a material by heating it below its melting point to form a solid mass without melting it completely.
Increasing final strength:
- The main purpose of sintering is to increase the final strength of a material.
- During sintering, the particles in the material are bonded together through diffusion processes, leading to an increase in strength.
How sintering works:
- As the material is heated, the atoms at the surface of the particles diffuse into the adjacent particles, creating bonds between them.
- This bonding results in a denser structure with improved mechanical properties, including higher strength.
Effect on ductility and porosity:
- Sintering can actually decrease the ductility of a material because it leads to a more rigid and dense structure.
- It also helps in reducing porosity by filling in the gaps between particles, thus improving the overall strength of the material.
Therefore, the correct answer is option 'C) Increase the final strength'. Sintering is a crucial process in the manufacturing of various materials, especially in industries like powder metallurgy, ceramics, and additive manufacturing.
Sintering:
Sintering is a process used to increase the final strength of a material by heating it below its melting point to form a solid mass without melting it completely.
Increasing final strength:
- The main purpose of sintering is to increase the final strength of a material.
- During sintering, the particles in the material are bonded together through diffusion processes, leading to an increase in strength.
How sintering works:
- As the material is heated, the atoms at the surface of the particles diffuse into the adjacent particles, creating bonds between them.
- This bonding results in a denser structure with improved mechanical properties, including higher strength.
Effect on ductility and porosity:
- Sintering can actually decrease the ductility of a material because it leads to a more rigid and dense structure.
- It also helps in reducing porosity by filling in the gaps between particles, thus improving the overall strength of the material.
Therefore, the correct answer is option 'C) Increase the final strength'. Sintering is a crucial process in the manufacturing of various materials, especially in industries like powder metallurgy, ceramics, and additive manufacturing.
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Sintering is done toa)Decrease the ductility.b)Decrease the final strength.c)Increase the final strength.d)Increase the porosity.Correct answer is option 'C'. Can you explain this answer?
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