Abstract
Defect healing through pulsed electric current treatment is an important work worthy of further discussion. 6061-T6 aluminum alloy specimens were subjected to the fatigue loading and pulsed electric current treatment. Then mesoscopic defect features inside 6061-T6 aluminum alloy before and after applying electric pulses were analyzed through X-ray microcomputer tomography and 3D reconstruction software VGSTUDIO MAX. The influence weights of pulsed electric current on the mesoscopic defect were obtained by principal component analysis based on the reduction rate of defect feature parameters. A parametric model was established to obtain the defect information of pulse current healing based on the influence weights obtained. The fatigue life prediction is carried out using this model, and the verification is conducted by experiment work.
Published Version
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