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Article

Influence of Zr Addition on the Phase Composition, Mechanical Properties, Deformation Behavior and Crystallographic Texture of the Al−Gd−Cr−Ti Alloy for Thermal Neutron Absorption

by
S. M. Amer
1,2,3,*,
A. El-Khouly
2,3,4,
Dmitry Nikolayev
3,
T. A. Lychagina
3,
Amr. B. ElDeeb
1,
L. E. Gorlov
5,
O. A. Yakovtseva
5,
R. Yu. Barkov
5,
M. V. Glavatskikh
5 and
A. V. Pozdniakov
5
1
Department of Mining & Petroleum Engineering, Faculty of Engineering, Al-Azhar University, Cairo 11884, Egypt
2
Academy of Scientific Research and Technology, ASRT, Cairo 11516, Egypt
3
Joint Institute for Nuclear Research, JINR, 141980 Dubna, Russia
4
Physics Department, Faculty of Science, Damanhour University, Damanhour 22516, Egypt
5
NUST MISIS, Leninskiy Ave. 4, 119049 Moscow, Russia
*
Author to whom correspondence should be addressed.
J. Manuf. Mater. Process. 2026, 10(6), 186; https://doi.org/10.3390/jmmp10060186
Submission received: 4 May 2026 / Revised: 25 May 2026 / Accepted: 27 May 2026 / Published: 28 May 2026
Versions Notes

Abstract

In the present study, a distinct core–shell structure comprising an Al21GdCrTi core and an Al3(Gd,Zr) shell was produced in the Al-7.9Gd-0.6Zr-0.2Cr-0.2Ti alloy after homogenization at 615 °C for 1 h. Concurrently, L12 nanoprecipitates (Al3(Gd,Zr)) of 20–25 nm in size were formed. The neutron absorption reduction factor was evaluated at the Dubna research reactor, where a 1 mm thick rolled layer reduced the intensity of neutrons scattered from pure aluminum by a factor of 17 to 36. Cold rolling enhanced yield strength (175 ± 6 MPa) compared to hot–cold rolling (164 ± 2 MPa) but reduced elongation (11.9 ± 1.1% vs. 13.5 ± 0.2%), while ultimate tensile strength remained similar at 203 MPa.
Keywords: Al-Gd-Zr-Cr-Ti alloy; core–shell structure; mechanical properties; deformation behavior; crystallographic texture; neutron absorption Al-Gd-Zr-Cr-Ti alloy; core–shell structure; mechanical properties; deformation behavior; crystallographic texture; neutron absorption

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MDPI and ACS Style

Amer, S.M.; El-Khouly, A.; Nikolayev, D.; Lychagina, T.A.; ElDeeb, A.B.; Gorlov, L.E.; Yakovtseva, O.A.; Barkov, R.Y.; Glavatskikh, M.V.; Pozdniakov, A.V. Influence of Zr Addition on the Phase Composition, Mechanical Properties, Deformation Behavior and Crystallographic Texture of the Al−Gd−Cr−Ti Alloy for Thermal Neutron Absorption. J. Manuf. Mater. Process. 2026, 10, 186. https://doi.org/10.3390/jmmp10060186

AMA Style

Amer SM, El-Khouly A, Nikolayev D, Lychagina TA, ElDeeb AB, Gorlov LE, Yakovtseva OA, Barkov RY, Glavatskikh MV, Pozdniakov AV. Influence of Zr Addition on the Phase Composition, Mechanical Properties, Deformation Behavior and Crystallographic Texture of the Al−Gd−Cr−Ti Alloy for Thermal Neutron Absorption. Journal of Manufacturing and Materials Processing. 2026; 10(6):186. https://doi.org/10.3390/jmmp10060186

Chicago/Turabian Style

Amer, S. M., A. El-Khouly, Dmitry Nikolayev, T. A. Lychagina, Amr. B. ElDeeb, L. E. Gorlov, O. A. Yakovtseva, R. Yu. Barkov, M. V. Glavatskikh, and A. V. Pozdniakov. 2026. "Influence of Zr Addition on the Phase Composition, Mechanical Properties, Deformation Behavior and Crystallographic Texture of the Al−Gd−Cr−Ti Alloy for Thermal Neutron Absorption" Journal of Manufacturing and Materials Processing 10, no. 6: 186. https://doi.org/10.3390/jmmp10060186

APA Style

Amer, S. M., El-Khouly, A., Nikolayev, D., Lychagina, T. A., ElDeeb, A. B., Gorlov, L. E., Yakovtseva, O. A., Barkov, R. Y., Glavatskikh, M. V., & Pozdniakov, A. V. (2026). Influence of Zr Addition on the Phase Composition, Mechanical Properties, Deformation Behavior and Crystallographic Texture of the Al−Gd−Cr−Ti Alloy for Thermal Neutron Absorption. Journal of Manufacturing and Materials Processing, 10(6), 186. https://doi.org/10.3390/jmmp10060186

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