Advantages of sintering | Complex shapes, high ...

EXCELLENT SURFACE FINISH

Surface of powder metal components is characterised by the presence of flat areas with very low roughness, interspersed with dips corresponding to the porosity. This surface state is better than that of machined wrought materials, which feature an alternate series of peaks and troughs. The lower peaks presence allows to reduce the run-in time of the components.

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Powder Metallurgy Advantages

The advantages of powder metallurgy derive directly from the twin processes of compression and sintering. The resulting high density of the material contributes to better yield strength, tensile strength and durability. Other advantages include:

1. Creativity

One of the advantages of powder metallurgy is that the process lends itself to a wide range of applications. Manufacturers use it to create diverse products, such as:

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• Watch dial cases
• Air conditioner blowers
• Bronze brushes
• Self-lubricating bearings

• Surgical implants
• Business machine components
• Gears

The types of products are limited only by the imagination of the designer.

2. Flexibility

Another powder metallurgy advantage is that the process is well-suited to a broad array of ferrous and non-ferrous materials. It&#;s instrumental in processing refractory metals like tungsten or molybdenum, which are hard to cast because of their high melting temperatures. Sintering soft magnetic materials also improves magnetic efficiency compared to other processes like electrical lamination.

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