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Evolution of interfacial dislocation network during anisothermal high-temperature creep of a nickel-based superalloy
Abstract : The effect of thermal cycling creep on the dislocation networks at the γ/γ′ interfaces in the MC2 superalloy is investigated. Tensile creep tests were performed under thermal cycling and isothermal conditions at low stress (80 MPa) and high temperature (1150 °C). In these conditions γ′ rafts may dissolve and reprecipitate during thermal cycling creep. The difference between the effects of isothermal and thermal cycling conditions on the γ/γ′ interface dislocation networks, characterized by transmission electron microscopy, is exposed, as well as their evolution during the cycle.
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https://hal.archives-ouvertes.fr/hal-00812030
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Submitted on : Thursday, April 11, 2013 - 3:29:46 PM
Last modification on : Tuesday, April 5, 2022 - 3:43:20 AM
Long-term archiving on: : Friday, July 12, 2013 - 4:07:22 AM
Contributor : Open Archive Toulouse Archive Ouverte (oatao) Connect in order to contact the contributor
Submitted on : Thursday, April 11, 2013 - 3:29:46 PM
Last modification on : Tuesday, April 5, 2022 - 3:43:20 AM
Long-term archiving on: : Friday, July 12, 2013 - 4:07:22 AM
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