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For the same material, powder metallurgy process is superior to casting for
- a)Better strength of the finished product
- b)Better control over the density of product
- c)Making larger products
- d)Making parts with wide variations of thickness at different sections.
Correct answer is option 'B'. Can you explain this answer?
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For the same material, powder metallurgy process is superior to castin...
In powder metallurgy, by varying the compaction force the density of the product can be varied. That’s why the powder metallurgy is superior to casting.
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For the same material, powder metallurgy process is superior to castin...
Powder Metallurgy vs Casting: Density Control
Powder metallurgy and casting are two common manufacturing processes used in the production of metal parts. However, powder metallurgy is superior to casting when it comes to controlling the density of the final product.
Powder Metallurgy Process
Powder metallurgy is a process that involves the production of metal parts from metal powders. The process involves mixing the metal powder with a small amount of lubricant and a binder material to create a metal paste. The paste is then pressed into a die to form the desired shape, and then sintered in a furnace. During the sintering process, the metal particles are bonded together to form a solid metal part.
Casting Process
Casting is a process that involves pouring molten metal into a mold to create a part. The mold is typically made from sand, ceramic, or metal. Once the molten metal has cooled and solidified, the mold is removed, and the part is finished by machining or other post-processing techniques.
Density Control
In powder metallurgy, the density of the final product can be controlled by adjusting the amount of metal powder used, the size and shape of the powder particles, and the amount of pressure applied during the pressing process. This level of control allows for the production of parts with precise dimensions and consistent density throughout the part.
In casting, the density of the final product is more difficult to control. The cooling rate of the molten metal can vary depending on the size and shape of the part, as well as the mold material and casting process used. This can lead to variations in the density of the finished product, which can affect its mechanical properties and overall performance.
Conclusion
In conclusion, powder metallurgy is superior to casting when it comes to controlling the density of the final product. While casting may be a suitable process for some applications, powder metallurgy offers greater control over the production process, resulting in parts with consistent density and improved mechanical properties.
Powder metallurgy and casting are two common manufacturing processes used in the production of metal parts. However, powder metallurgy is superior to casting when it comes to controlling the density of the final product.
Powder Metallurgy Process
Powder metallurgy is a process that involves the production of metal parts from metal powders. The process involves mixing the metal powder with a small amount of lubricant and a binder material to create a metal paste. The paste is then pressed into a die to form the desired shape, and then sintered in a furnace. During the sintering process, the metal particles are bonded together to form a solid metal part.
Casting Process
Casting is a process that involves pouring molten metal into a mold to create a part. The mold is typically made from sand, ceramic, or metal. Once the molten metal has cooled and solidified, the mold is removed, and the part is finished by machining or other post-processing techniques.
Density Control
In powder metallurgy, the density of the final product can be controlled by adjusting the amount of metal powder used, the size and shape of the powder particles, and the amount of pressure applied during the pressing process. This level of control allows for the production of parts with precise dimensions and consistent density throughout the part.
In casting, the density of the final product is more difficult to control. The cooling rate of the molten metal can vary depending on the size and shape of the part, as well as the mold material and casting process used. This can lead to variations in the density of the finished product, which can affect its mechanical properties and overall performance.
Conclusion
In conclusion, powder metallurgy is superior to casting when it comes to controlling the density of the final product. While casting may be a suitable process for some applications, powder metallurgy offers greater control over the production process, resulting in parts with consistent density and improved mechanical properties.
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For the same material, powder metallurgy process is superior to casting fora)Better strength of the finished productb)Better control over the density of productc)Making larger productsd)Making parts with wide variations of thickness at different sections.Correct answer is option 'B'. Can you explain this answer?
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