Experimental characterization of the AA7075 aluminum alloy using hot shear compression test
| Autor: | Edurne Iriondo, Fernando Veiga, Franck Girot Mata, Philippe Darnis, Catherine Froustey, Sandra Guérard, Trunal Bhujangrao |
|---|---|
| Přispěvatelé: | Institut de Mécanique et d'Ingénierie (I2M), Université de Bordeaux (UB)-Institut Polytechnique de Bordeaux-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE)-Arts et Métiers Sciences et Technologies, HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM)-HESAM Université - Communauté d'universités et d'établissements Hautes écoles Sorbonne Arts et métiers université (HESAM), European Project: 798205, HESAM Université (HESAM)-HESAM Université (HESAM) |
| Rok vydání: | 2021 |
| Předmět: |
Large deformation
AA7075 alloy Structural material Materials science Mechanical Engineering 020101 civil engineering Dynamic recrystallization 02 engineering and technology Flow stress Strain rate Microstructure Compression (physics) 0201 civil engineering [SPI.MAT]Engineering Sciences [physics]/Materials Shear (sheet metal) 020303 mechanical engineering & transports 0203 mechanical engineering Edge effect FE simulation Shear stress Shear compression test Composite material Civil and Structural Engineering |
| Zdroj: | Archives of civil and mechanical engineering Archives of civil and mechanical engineering, 2021, 21 (2), pp.45. ⟨10.1007/s43452-021-00194-7⟩ Archives of Civil and Mechanical Engineering |
| DOI: | 10.1007/s43452-021-00194-7⟩ |
| Popis: | 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 0.1s−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. |
| Databáze: | OpenAIRE |
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