Metal treatment – Stock – Directionally solidified
Patent
1991-11-04
1994-12-20
Dean, R.
Metal treatment
Stock
Directionally solidified
148409, 148410, 148426, 148428, 148429, 420441, 420446, 420447, 420448, 420450, 420460, 428680, C22C 2706
Patent
active
053743199
ABSTRACT:
A process is provided for welding a gamma-prime precipitation-strengthened nickel base superalloy by heating the weld area and adjacent region to a ductile temperature, welding while maintaining the entire weld area and adjacent region at the ductile temperature and holding the weldment, weld area and adjacent region at the ductile temperature until the entire weld has solidified. The ductile temperature is above the aging temperature but below the incipient melting temperature of the superalloy.
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Milidantri Thomas
Stueber Richard J.
Tadayon Moshen
Bittman Mitchell D.
Chromalloy Gas Turbine Corporation
Dean R.
Koehler Robert R.
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