GAS TURBINE ROTOR COMPONENT AND METHOD OF MANUFACTURE
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United States of America Patent
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Issued Date -
May 4, 2023
app pub date -
Dec 19, 2022
filing date -
Feb 18, 2020
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Abstract
A turbine rotor disk and a method of making the turbine rotor disk using solid state bonding techniques are disclosed. The turbine rotor disk includes a radially inner portion comprising a wrought nickel alloy having a yield strength of at least 126 ksi at 1,000° F. The turbine rotor disk also includes a radially outer portion bonded to the radially inner portion, said radially outer portion comprising a cast nickel alloy configured as a single crystal or with a grain size of ASTM 2 or larger.
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