Creep Behaviors and Deformation Mechanisms at Intermediate Temperatures in a Novel γ‐γ′ Nickel‐Based Superalloy
Shaomin Lv,
Xiaocan Wen,
Xingfei Xie
et al.
Abstract:The creep behaviors of a novel polycrystalline nickel‐based superalloy were investigated at a wide applied stress range of 500‐950 MPa and temperature ranging from 650 °C 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 stage is not obviously observed. The minimum creep rate increases and the corresponding creep life de… Show more
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