Effect of electropulsing-assisted ultrasonic nanocrystal surface modification on microstructures and hardness of additive manufactured Inconel 718

Yixuan Ye,Chaoyi Zhang,Le Gao, Lan Peng,Gang Liu,Yu Zhang,Chao Tang,Tao Huang,Chang Ye

ENGINEERING FAILURE ANALYSIS（2023）

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摘要

•EP-UNSM improved the hardness and plastic deformation layer depth of AM Inconel 718 compared with traditional UNSM.•EP-UNSM can more effectively reduce the porosity in the near-surface regions of Inconel 718 compared with UNSM.•Compared with CC-UNSM, EP-UNSM can more effectively improve the plasticity of Inconel 718.

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关键词

Additive manufactured Inconel 718,Selective laser melting,Ultrasonic nanocrystal surface modification,Porosity,Pulsed current,Electroplasticity

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