Process | Shaping powder materials |
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Powder technology is a family of
net- or near-net-shaping methods used to shape metals and ceramics from
powders. The amount of waste material is very low and costly post-machinings are often avoided. The technology involves the following steps. 1)The starting powder is prepared; 2)The powder is formed into a desired shape (green body), which can be furtherly worked; 3)The green body is sintered at a high temperature (densification). 4)The sintered compact is finished into the final shape. Frequently a combination of high-temperature and pressure (hot pressing) is used. |
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Danish Name
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Pulverteknologi |
Category
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Mass conserving processes |
Powder |
Sol-gel Plastic forming Powder extrusion Powder injection moulding Pressing Cold Isostatic Pressing (CIP) Hot Isostatic Pressing (HIP) Uniaxial pressing Reaction forming Sintering |
Materials
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Ceramics Metal powders Cermet |
References |
EPMA |
Photo |
Thomas Nissen (Computer graphics) |
Copyright
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