friction
Friction welding fits into the classification of solid-state welding, whereby two metal surfaces are rubbed against each other under pressure, producing heat without melting the base material.
Key Features:
- Solid-State: Bonding occurs without melting and the mechanical properties of the materials are maintained.
- Heat Generation: Frictional heat softens the opposing surfaces of the metals enough to allow fusion to occur when there is sufficient pressure.
- Strong Joints: The joints formed in the end are very strong, durable, and with practically no defects.
Friction welding finds wide application in aerospace, automotive manufacturing industries for joining machine components such as drive shafts, hydraulic cylinders, and turbine blades. The advantages allow for precise and reliable dissimilar metal joining with minimal material waste. With continuous technological developments, friction welding keeps enhancing with better efficiencies and more applications.
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