The PM process can produce parts that are tailor-made to each and every need, including components in complex or unique shapes that would be prohibitively costly to achieve with other metalworking processes.
Powder metallurgy (PM) is a term covering a wide range of ways in which materials or components are made from metal powders. PM processes can avoid . An overview of different powder-metallurgy processes found at Metal Powder Industries Federation's site.
PM can be heat treated to provide additional strength, and PM components provide controlled porosity for self-lubrication. The PM process is suitable for an extremely broad range of production requirements.
Short runs as well as moderate-to-high production are not only feasible, but economical. PM can use a wide variety of alloyed blends of material to produce components that provide long-range reliability at affordable prices.
Since the solidification rate is inversely proportional to the particle size, smaller particles can be made using water atomization. Typical part sizes range from 0. These sheets are available in various materials such as alumina, zirconia, and magnesia. Editors: Isaac Chang Yuyuan Zhao. In other projects Wikimedia Commons.
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Thus material compact and form a solid mass. By this method is possible forming material as tungsten, molybdenum, rhenium, or carbon without the need to reach their melting point, that it is very high.
Besides sintering presents some more advantages:. We have the means to produce parts directly from CAD Data or drawings with the desired material and quality.
Through this process is possible manufacture metallic, ceramic and polymeric products. Sintering is often chosen as the shaping process for materials with extremely high melting points such as:.
Parts made by sintering are used in the areas of tools and industrial machinery, automotive, elevators, the armoury, cutlery, etc. In all these sectors, the sintered metal parts provide objects with high porosity which act as filters, objects of refractory materials, and pieces of metal carbides, among others such as bearings, camshafts, cutting tools, piston rings, valve guides, self-lubricating bushings Dimensional tolerance depends on the geometry of the component.
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