In Situ Measurement of the gamma/gamma' Lattice Mismatch Evolution of a Nickel-Based Single-Crystal Superalloy During Non-isothermal Very High-Temperature Creep Experiments Conference Paper uri icon

abstract

  • The evolution of the / lattice mismatch of the AM1 single-crystal superalloy was measured during in situ nonisothermal very high-temperature creep tests under X-ray synchrotron radiation. The magnitude of the effective lattice mismatch in the 1273 K to 1323 K (1000 C to 1050 C) temperature range always increased after overheatings performed at temperatures lower than 1403 K (1130 C). In contrast, a decrease of its magnitude was observed after overheatings at temperatures greater than 1453 K (1180 C) due to massive dislocation recovery processes occurring at very high temperature. 2012 The Minerals, Metals & Materials Society and ASM International.

published proceedings

  • METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE

author list (cited authors)

  • Le Graverend, J., Dirand, L., Jacques, A., Cormier, J., Ferry, O., Schenk, T., ... Mendez, J.

citation count

  • 29

complete list of authors

  • Le Graverend, Jean-Briac||Dirand, Laura||Jacques, Alain||Cormier, Jonathan||Ferry, Olivier||Schenk, Thomas||Gallerneau, Franck||Kruch, Serge||Mendez, Jose

publication date

  • January 2012