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The creep behaviors of a novel polycrystalline nickel‐based superalloy are investigated at a wide applied stress range of 500–950 MPa and temperature ranging from 650 to 750 °C. And the microstructure and deformation mechanisms are also analyzed. The results indicate that all creep curves of the novel nickel‐based superalloy are mainly consist of the primary and accelerated stages, whereas the steady‐state...