| Abstrakt: |
Abstract—The research on ultrasonic riveting has revealed that the application of vibrations enables a significant decrease in the riveting force and changes the deformation characteristics of a rivet. Initially, a rivet shank undergoes upsetting, and the gap between the rivet and the installation hole is filled with the deformed metal, and a closing head then forms. The joints formed by ultrasound-deformed D18 alloy rivets exhibit a considerable increase in the shear force. [ABSTRACT FROM AUTHOR] |
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