Engineering:Near net shape
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Near-net-shape is an industrial manufacturing technique. As the name implies, the initial production of the item is very close to the final, or net, shape.[1] This reduces the need for surface finishing. By minimizing the use of finishing methods like machining or grinding, near-net-shape production eliminates more than two-thirds of the production costs in some industries.
Processes
The following are various near-net-shape processes categorized by material.
Ceramics
- Gelcasting
- Ceramic injection molding
- Spray forming
- Structural ceramic production
Composites
- Lanxide process
Plastics
Metals
- Permanent mold casting[citation needed]
- Powder metallurgy
- Linear friction welding[citation needed]
- Friction welding[citation needed]
- Metal injection molding
- Rapid prototyping
- Spray forming
- Superplastic forming
- Cold forming
- Semi-solid metal casting
- Photochemical machining
- Hot isostatic pressing
References
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