Additively Manufactured Blisk with Optimized Microstructure for Small Turbine Engines
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United States of America Patent
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Issued Date -
Dec 27, 2018
app pub date -
Jun 22, 2018
filing date -
Jun 22, 2018
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Abstract
An integrally bladed rotor in which a hub and a web are formed from a fine grain microstructure using an investment casting process or from metal powder with a HIP process, and a plurality of rotor blades formed from a coarse grain microstructure using a metal additive manufacturing process, where the hub and the web and the rotor blades are formed as a single piece and from the same material.
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