Engine turbine disks repaired by direct metal deposition.(WELDING/JOINING)

Advanced Materials & Processes,  August, 2005  

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Direct metal deposition, a technique based on laser-beam precision buildup welding, has been developed for repair of rotors and in turbines and aircraft engines by the Thermal Coating Processes department at the Fraunhofer Institute for Material and Beam Technology, Germany. Laser beam build-up welding is one of the many generating methods now applied when one item or only a few are produced or have to be individually repaired.

[ILLUSTRATION OMITTED] The first step in the repair of a damaged component by this technique is to conduct a three-dimensional scan. A computer program ...

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