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Article

Effect of Asymmetric Accumulative Roll-Bonding process on the Microstructure and Strength Evolution of the AA1050/AZ31/AA1050 Multilayered Composite Materials

1
Faculty of Production Engineering and Materials Technology, Czestochowa University of Technology, Av. Armii Krajowej 19, 42-201 Czestochowa, Poland
2
Metalurgia S.A., Świętej Rozalii 10/12, 97-500 Radomsko, Poland
*
Author to whom correspondence should be addressed.
Materials 2020, 13(23), 5401; https://doi.org/10.3390/ma13235401
Received: 11 November 2020 / Revised: 23 November 2020 / Accepted: 25 November 2020 / Published: 27 November 2020
This paper aimed to propose the fabrication of light, Al/Mg/Al multilayered composite. Initially prepared three-layered feedstock was subjected to deformation during four rolling cycles (passes) using the conventional and modified accumulative roll bonding (ARB) processes at 400 °C, thanks to which 24-layered composite materials were produced. The modification of the ARB process was based on the application of the rotational speed asymmetry (asymmetric accumulative roll bonding, AARB). It was adopted that the initial thickness of the composite stack amounted to 3 mm (1 mm for each composite). The rolling was done in the laboratory duo D150 rolling mill with the application of the roll rotational speed asymmetry and symmetry av = 1.0 (ARB) and av = 1.25 and 1.5 (AARB). In this manuscript, it was proved that introducing the asymmetry into the ARB process for the tested Al/Mg/Al composite has an impact on the activation of additional shear bands, which results in higher fragmentation of the structure in comparison to the symmetrical process. Due to the application of the AARB, the reduction of the grain size by 17% was obtained, in comparison to the conventional ARB. Not to mention that at the same time there was an increase in strength of the fabricated multilayered composite. View Full-Text
Keywords: magnesium alloy; aluminum; multilayered materials; asymmetric accumulative roll-bonding (AARB); microstructure; strength; FEM analysis magnesium alloy; aluminum; multilayered materials; asymmetric accumulative roll-bonding (AARB); microstructure; strength; FEM analysis
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MDPI and ACS Style

Mroz, S.; Wierzba, A.; Stefanik, A.; Szota, P. Effect of Asymmetric Accumulative Roll-Bonding process on the Microstructure and Strength Evolution of the AA1050/AZ31/AA1050 Multilayered Composite Materials. Materials 2020, 13, 5401. https://doi.org/10.3390/ma13235401

AMA Style

Mroz S, Wierzba A, Stefanik A, Szota P. Effect of Asymmetric Accumulative Roll-Bonding process on the Microstructure and Strength Evolution of the AA1050/AZ31/AA1050 Multilayered Composite Materials. Materials. 2020; 13(23):5401. https://doi.org/10.3390/ma13235401

Chicago/Turabian Style

Mroz, Sebastian, Arkadiusz Wierzba, Andrzej Stefanik, and Piotr Szota. 2020. "Effect of Asymmetric Accumulative Roll-Bonding process on the Microstructure and Strength Evolution of the AA1050/AZ31/AA1050 Multilayered Composite Materials" Materials 13, no. 23: 5401. https://doi.org/10.3390/ma13235401

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