Formation and Dissolution of γ’ Precipitates in IN792 Superalloy at Elevated Temperatures
AbstractPrecipitation of γ’ phase in nickel-base superalloy IN792-5A was studied using in-situ Small Angle Neutron Scattering (SANS). It was found that additional precipitates are formed after reheating above 600 °C when the material is previously fast cooled (100 K/min) from 900 °C. The size distribution and volume fraction of the additional γ’ precipitates as well as of the already present medium-size precipitates in dependence on temperature were evaluated. The small precipitates can influence mechanical properties of the alloy, which exhibits an anomaly in the temperature dependence of the yield stress. Volume fraction of all precipitate populations above 900 °C was estimated as well. View Full-Text
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Strunz, P.; Petrenec, M.; Polák, J.; Gasser, U.; Farkas, G. Formation and Dissolution of γ’ Precipitates in IN792 Superalloy at Elevated Temperatures. Metals 2016, 6, 37.
Strunz P, Petrenec M, Polák J, Gasser U, Farkas G. Formation and Dissolution of γ’ Precipitates in IN792 Superalloy at Elevated Temperatures. Metals. 2016; 6(2):37.Chicago/Turabian Style
Strunz, Pavel; Petrenec, Martin; Polák, Jaroslav; Gasser, Urs; Farkas, Gergely. 2016. "Formation and Dissolution of γ’ Precipitates in IN792 Superalloy at Elevated Temperatures." Metals 6, no. 2: 37.
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