Friction Welding (FRW)

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Friction Welding Advantages

No filler metal needed.

Flux and shielding gas not required.

Environmentally clean (no arc, sparks, smoke or fumes).

Surface cleanliness not as critical as some processes.

Narrow heat-affected zone (HAZ)

Suitable for most materials and many dissimilar

combinations.

Less operator skill required.

Good for mass production. (drill bits)

Rapid process.

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Process Characterization 2 Main Mechanisms (fig. 23.2 & 23.3): Friction Stage Forging Stage Primary Process Variables: Speed Pressure Time

Friction Welding Advantages No filler metal needed. Flux and shielding gas not required. Environmentally clean (no arc, sparks, smoke or fumes). Surface cleanliness not as critical as some processes. Narrow heat-affected zone (HAZ) Suitable for most materials and many dissimilar combinations. Less operator skill required. Good for mass production. (drill bits) Rapid process.

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Page 3: Types of Relative Motion Most fric

Friction Welding (FRW)

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