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Powder metal repair process

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In the aircraft engine market, TWI has been working closely with a leading engine manufacturer to develop direct metal laser deposition (DMLD) for repair of blades and seal segments.

In the DMLD process, a laser beam is used to form a melt pool on a metallic substrate, into which powder is fed.

The powder melts to form a deposit that is fusion bonded to the substrate. Both the laser and nozzle from which the powder is delivered are manipulated using a CNC robot or gantry system.

The process is also known as laser cladding, laser deposition, laser engineering net shape (LENS) and laser additive manufacture (LAM).

For more information, please contact us.