Meso approaches for the creep damage behavior of nickel-base directionally solidified superalloys

Zhufeng Yue, Zhenzhou Lü, Changqing Zheng

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2 引用 (Scopus)

摘要

A self-consistent creep damage constitutive model and a finite element model have been developed for nickel-base directionally solidified superalloys. Grain degradation and grain boundary voiding are considered. The model parameters are determined from the creep test data of a single crystal and a directionally solidified superalloy with a special crystallographic orientation. The numerical analysis shows that the modeled creep damage behaviors of nickel-base directionally solidified superalloys with different crystallographic orientations are in good agreement with the experimental data.

源语言英语
页(从-至)186-192
页数7
期刊Applied Mathematics and Mechanics (English Edition)
20
2
DOI
出版状态已出版 - 1999

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