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Abstract

Metal-intermetallic layered (MIL) composites attract considerable attention due to their remarkable structural and ballistic performance. This study aimed to develop a Ti/Al-based multilayered MIL material by adding ceramic powders, since they can improve the composite’s impact resistance. To this end, an experiment was conducted which a stack of alternating Ti and Al sheets bonded by hot pressing; Ti/Al multilayers containing additional layers of Al2O3 and SiC powders were also produced. The samples obtained were examined using electron microscopy techniques. The clads’ mechanical properties were investigated using a Charpy hammer. In the reaction zone, only one intermetallic phase occurred: the Al3Ti phase. The model with an additional Al2O3 layer showed the highest impact energy. None of the Ti/Al clads broke during the Charpy impact test, a result proving their high ductility.
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Bibliography

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[2] F. Foadian, M. Soltanieh, M. Adeli, M. Etminanbakhsh, A Study on the Formation of Intermetallics During the Heat Treatment of Explosively Welded Al-Ti Mulitlayers, Metall. Mater. Trans. A 45A, 1823 (2014). DOI: https://doi.org/10.1007/s11661-013-2144-6
[3] H. Paul, Ł. Maj, M. Prażmowski, A. Gałka, M. Miszczyk, P. Petrzak, Microstructure and mechanical properties of multilayered Al/Ti composites produced by explosive welding, Procedia Manufacturing 15, 1391-1398 (2018). DOI: https://doi.org/10.1016/j.promfg.2018.07.343
[4] D.M. Fronczek, R. Chulist, Z. Szulc, J. Wojewoda-Budka, Growth kinetics of TiAl3 phase in annealed Al/Ti/Al explosively welded clads, Mater. Lett. 198, 160-163 (2017). DOI: https://doi.org/10.1016/j.matlet.2017.04.025
[5] F. Kong, Y. Chen, D. Zhang, Interfacial microstructure and shear strength of Ti-6Al-4V/TiAl laminate composite sheet fabricated by hot packed rolling, Mater. Design 32, 3167-3172 (2011). DOI: https://doi.org/10.1016/j.matdes.2011.02.052
[6] H. Xiao, Z. Qi, C. Yu, C. Xu, Preparation and properties for Ti/ Al clad plates generated by differential temperature rolling, J. Mater. Process. Tech. 249, 285-290 (2017). DOI: https://doi.org/10.1016/j.jmatprotec.2017.06.013
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Authors and Affiliations

W. Kowalski
1
ORCID: ORCID
H. Paul
1
ORCID: ORCID
P. Petrzak
1
ORCID: ORCID
Ł. Maj
1
ORCID: ORCID
I. Mania
1
ORCID: ORCID
M. Faryna
1
ORCID: ORCID

  1. Institute of Metallurgy and Materials Science , Polish Academy of Sciences , 25 Reymonta Str., 30-059 Kraków, Poland
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Abstract

This study aimed to develop Fe/Al multilayered metallic/intermetallic composites produced by hot pressing under an air atmosphere. Analyses were carried out on the composite plates made up of alternatively situated sheets of AA1050 aluminum alloy and DN04 low carbon steel, which were annealed at 903 K for 2, 5, and 10 h. Annealing was performed to obtain reaction layers of distinct thickness. The samples were examined using X-Ray diffraction and scanning and transmission electron microscope equipped with an energy-dispersive X-Ray spectrometer. To correlate the structural changes with mechanical properties, microhardness measurements in near-the-interface layers were performed. All the reaction layers grew with parabolic kinetics with η-Al5Fe2 intermetallic phase as the dominant component. After annealing for 5 and 10 hours, a thin sublayer of θ-Al13Fe4 phase was also detected.
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Authors and Affiliations

W. Kowalski
1
ORCID: ORCID
H. Paul
1
ORCID: ORCID
I. Mania
1
ORCID: ORCID
P. Petrzak
1
ORCID: ORCID
P. Czaja
1
ORCID: ORCID
R. Chulist
1
ORCID: ORCID
A. Góral
1
ORCID: ORCID
M. Szlezynger
1
ORCID: ORCID

  1. Institute of Metallurgy and Materials Science, Polish Academy of Sciences, 25 Reymonta Str., 30-059 Krakow, Poland

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