The formation of new (Al, Zn)₃Zr precipitates in an Al-Zn-Mg-Cu aluminum alloy after aging treatment and their response to dynamic compression

• Autorzy: Khan Muhammad Abubaker , Wang Yangwei , Afifi Mohamed A. , Tabish Mohammad , Hamza Muhammad , Yasin Ghulam , Ahmad Tahir , Liao Wei‑Bing

Identyfikatory

DOI

10.1007/s43452-022-00571-w

• Języki publikacji: EN

Abstrakty

EN

This study mainly focuses on the newly developed (Al, Zn)₃Zr precipitates through double aging treatment in an Al-Zn-Mg-Cu alloy (Al alloy) and their response to dynamic compression. The results show that the strength of the Al alloy after aging treatment (393 K for 8 h + 433 K for 10 h) is increased with an increasing strain rate from 1.0 x 10⁻³ to 3.0 x 10³s⁻¹ assisted by the strain hardening rate effect. The microstructures of Al alloy after the double aging treatment and dynamic compression at ~ 3.0 x 10³s⁻¹ contain novel (Al, Zn)₃Zr precipitate with LI2 ordered and tetragonal structures. The small inter-particle spacing of precipitates after double aging, solute diffusion during the aging treatment, and dynamic compression lead to the overlapping of the different precipitates. For instance, the overlapping of (Al, Zn)₃Zr and θ′ precipitates is observed. The overlapped (Al, Zn)₃Zr contains Cu solutes, while the θ′ precipitate contains Zr solutes assisted by solute diffusion through dislocations and the increase in temperature during the compression. Besides, the number and size of the platelet precipitates are also increased after the dynamic compression compared to the double aging treatment Al alloy. In this research, the newly observed (Al, Zn)₃Zr precipitate after double aging treatment, and post-high strain rate compression is suitable for successfully tailoring the precipitation of Al-Zn-Mg-Cu alloy and achieving optimum properties in the near future.

Słowa kluczowe

EN

Al-Zn-Mg-Cu alloy; precipitates mechanism; dynamic compression

PL

stop Al-Zn-Mg-Cu; mechanizm wytrącania; kompresja dynamiczna

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2023
• Tom: Vol. 23, no. 1
• Strony: art. no. e33, 2023
• Opis fizyczny: Bibliogr. 40 poz., rys., wykr.

Twórcy

autor

Khan Muhammad Abubaker

• College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
• School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China

autor

Wang Yangwei

• School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China

autor

Afifi Mohamed A.

• Mechanical Engineering Program, School of Engineering and Applied Sciences, Nile University, Giza 12677, Egypt
• Smart Engineering Systems Research Centre (SESC), Nile University, Giza 12677, Egypt

autor

Tabish Mohammad

• School of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, China

autor

Hamza Muhammad

• Institute of Advanced Materials, Bahauddin Zakariya University, Multan, Pakistan

autor

Yasin Ghulam

• College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China

autor

Ahmad Tahir

• Department of Metallurgy and Materials Engineering, College of Engineering and Emerging Technologies, University of the Punjab, Lahore, Pakistan

autor

Liao Wei‑Bing

• College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)