Experimental characterization of the AA7075 aluminum alloy using hot shear compression test

• Autorzy: Bhujangrao Trunal , Veiga Fernando , Froustey Catherine , Guérard Sandra , Iriondo Edurne , Darnis Philippe , Mata Franck Girot

Identyfikatory

DOI

10.1007/s43452-021-00194-7

• Języki publikacji: EN

Abstrakty

EN

The experimental characterization of the material under shear loading is essential for researchers to study the plastic behavior of materials during manufacturing processes. Indeed, regardless of the loading mode, ductile materials mainly deform plastically under shear loading. Thus, for such material behavior analysis, shear tests are very useful. In this paper, a test procedure is defined to characterize the shear deformation of AA7075 aluminum alloy at high strain under compression loading. The Finite Element (FE) simulation is used to select the suitable specimen geometry for the testing. Finally, the experimental tests are carried out using a conventional compression device at a constant strain rate of 0.1 s−1 and at an elevated temperature of 20–500 °C. The results show that the drop in the flow stress curved relative to the increase in temperature exhibits the softening mechanism. The homogeneous behavior of the shear strain along the shear region was also observed and shown by the macro and micro images. The effect of temperature and equivalent strain on the evolution of the microstructure is discussed in detail. It is discovered that, various dynamic recrystallization mechanisms were recorded for aluminum alloy AA7075 depending on the imposed strain conditions.

Słowa kluczowe

EN

shear compression test; large deformation; FE simulation; edge effect; AA7075 alloy; dynamic recrystallization

PL

ściskanie; odkształcenie; rekrystalizacja

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2021
• Tom: Vol. 21, no. 2
• Strony: 95--111
• Opis fizyczny: Bibliogr. 45 poz., fot., rys., wykr.

Twórcy

autor

Bhujangrao Trunal

• TECNALIA, Basque Research and Technology Alliance (BRTA), Parque Científico Y Tecnológico de Gipuzkoa, 20009 Donostia-San Sebastián, Spain
• Department of Mechanical Engineering, University of the Basque Country (UPV/EHU), 48013 Bilbao, Spain

• https://orcid.org/0000-0001-6139-9666

autor

Veiga Fernando

• TECNALIA, Basque Research and Technology Alliance (BRTA), Parque Científico Y Tecnológico de Gipuzkoa, 20009 Donostia-San Sebastián, Spain

autor

Froustey Catherine

• CNRS, University Bordeaux, I2M-DuMAS, UMR 5295, 33400 Talence, France

autor

Guérard Sandra

• CNRS, University Bordeaux, I2M-DuMAS, UMR 5295, 33400 Talence, France

autor

Iriondo Edurne

• Department of Mechanical Engineering, University of the Basque Country (UPV/EHU), 48013 Bilbao, Spain

autor

Darnis Philippe

• CNRS, University Bordeaux, I2M-DuMAS, UMR 5295, 33400 Talence, France

autor

Mata Franck Girot

• Department of Mechanical Engineering, University of the Basque Country (UPV/EHU), 48013 Bilbao, Spain
• IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain

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