Machine Mediation
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AFSD
Additive Friction Stir Deposition
Complementary solid-state process. A solid metal rod (feedstock) is plasticised (not melted) by frictional heat and pressure and deposited layer by layer.
Operating Principle & Process Flow
Operating Principle: A rotating shaft presses a metal feedstock rod onto a substrate. The resulting frictional heat plasticises the material, which is deposited layer by layer.
Process Flow: Rotation + pressure -> Plasticisation -> Path traversal -> Layer build-up.
Technical Specifications
- Energy Source: Mechanical friction.
- Feedstock / Material Feed: Solid metal rod or powder through a hollow tool.
- Typical Part Size: Large to massive.
- Build Rate: Extremely high.
- Accuracy: Low.
- Surface Quality: Very rough, requires subtractive machining.
Applications & Materials
Typical Materials: Aluminium alloys (including non-weldable alloys like 7000 series), magnesium, copper.
Typical Applications: Massive aluminium structural parts for aerospace and armoured vehicles.
Industries: Aerospace, defence.
Metal Additive Manufacturing
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Explore the capabilities of modern metal additive manufacturing, compatible alloys, and post-processing workflows for your specific component project.