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Center Innovation Fund: GRC CIF

FY14 GRC: Fabrication Of Hybird Gas Turbine Disk Material System By Additive Manufacturing

Completed Technology Project

Project Introduction

In an exciting new technology, additive manufacturing (AM), materials are added layer-by-layer, or bead-by-bead, which enables a complex structure to be built up directly with minimal postprocessing machining.

AM offers the potential to be revolutionary for GRC hybrid disk concept as it: i) bypasses joining through direct deposition or “building” of the PX bore alloy on a SX rim and ii) circumvents interface heating issues that may cause microstructural degradation during welding. Our objective is to demonstrate the feasibility of the high payoff AM hydrid disk concept described through test specimens built up using electron beam melting (EBM).

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