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Engineering Review : International journal for publishing of original researches from the aspect of structural analysis, materials and new technologies in the field of mechanical engineering, shipbuilding, fundamental engineering sciences, computer sciences, electrical engin, Vol. 42 No. 2, 2022.

Original scientific paper

https://doi.org/10.30765/er.1869

Ultrasonic temporary softening and residual hardening

Ali H. Alhilfi ; Misan University, Iraq
Andrew Rusinko orcid id orcid.org/0000-0002-3758-7621 ; Donát Bánki Faculty of Mechanical and Safety Engineering, Obuda University, Nepszinhaz St. 8, Budapest, Hungary, H-1081

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Abstract

The present paper aims to model ultrasonic effects such as temporary softening and residual hardening. While temporary softening is observed during simultaneous action of mechanical forces and ultrasound, residual hardening manifests itself after switching off the ultrasound. The analytical description of these phenomena is conducted in terms of the synthetic theory of irrecoverable deformation. The model results show good agreement with experimental data obtained for the ultrasound-assisted compression of pure aluminum.

Keywords

ultrasound; plastic deformation; residual hardening

Hrčak ID:

285610

URI

https://hrcak.srce.hr/285610

Publication date:

21.2.2022.

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