Experiments and numerical simulations for the mechanical properties of Ni-based superalloys fabricated by laser melting deposition

Jiaqi Zhang,Zhaozhen Huang,Yan Fang,Zhenjie Gu,Jichang Xie,Jianbo Lei

Optics & Laser Technology（2021）

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摘要

•Crack-free Hastelloy X multilayer samples were prepared by laser melting deposition.•The mechanical properties of Hastelloy X was analyzed by finite element simulation.•The J-C constitutive model was constructed to predict the stretching behavior.•The microhardness of LMD Hastelloy X is 1.3 times that of wrought Hastelloy X.

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关键词

Laser melting deposition (LMD),Johnson-Cook (J-C) model,Finite element analysis,Mechanical properties

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