The Precipitation Behavior of γ' Phase in Superalloy FGH96 during Continuous Solution Cooling Conditions

H.S. Liu; Lin Zhang; Xin Bo He; Xuan Hui Qu; Zhou Li; Guo Qing Zhang

doi:10.4028/www.scientific.net/AMR.652-654.1092

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The Precipitation Behavior of γ' Phase in Superalloy FGH96 during Continuous Solution Cooling Conditions

Abstract:

The precipitation behavior of γ' phase after continuous solution cooling tests was examined in superalloy FGH96. The results indicate that, with the increase of cooling rate, the mean diameter of secondary γ' precipitates decreases as well as the shape changes from cuboid to spherical. Either under water cooling or cooling at 10 °C/min and 25 °C/min, the highest strength can not be obtained.