2014
DOI: 10.1016/j.msea.2013.12.057
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Effect of Zr addition on hot deformation behavior and microstructural evolution of AA7150 aluminum alloy

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Cited by 54 publications
(22 citation statements)
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“…This spherical particle was Al 3 Zr particle with an Ll 2 cubic crystal structure, which was coherent with the Al matrix, and it had been confirmed by Keith E. Knipling and M. Schöbel who studied the formation of Al 3 Zr precipitates in aluminum alloys [30,31]. As is well known, in the previous studies [3,32], these Al 3 Zr particles can pin subgrain boundaries and dislocations, consequently, the Al 3 Zr particles promote the retardation of DRV and resist the deformation structure from recrystallization. 13 …”
Section: Microstructure Evolutionsupporting
confidence: 65%
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“…This spherical particle was Al 3 Zr particle with an Ll 2 cubic crystal structure, which was coherent with the Al matrix, and it had been confirmed by Keith E. Knipling and M. Schöbel who studied the formation of Al 3 Zr precipitates in aluminum alloys [30,31]. As is well known, in the previous studies [3,32], these Al 3 Zr particles can pin subgrain boundaries and dislocations, consequently, the Al 3 Zr particles promote the retardation of DRV and resist the deformation structure from recrystallization. 13 …”
Section: Microstructure Evolutionsupporting
confidence: 65%
“…And trace zirconium addition can improve the recrystallization temperature of aluminum alloy; therefore, some deformation structure can be partly retained after the hot deformation; and the deformation structure which affect the characteristics of materials such as ductility, strength and corrosion resistance is influenced by deformation conditions directly [3]. Therefore, it is important to investigate the interactive effect between microstructure evolution and processing conditions at elevated temperature.…”
Section: Introductionmentioning
confidence: 99%
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“…In actual production, diverse microstructural evolution mechanisms may take place, such as dynamic recrystallization (DRX), static recrystallization (SRX), metadynamic recrystallization (MDRX), and recovery, which determine the final microstructure and mechanical properties of the steel simultaneously. [ 18–21 ] During the inter‐step time, whether the SRX, MDRX, or a combination of them can take place depending on the amount of previous‐step strain accumulation. Both SRX and MDRX occur at a strain between the critical strain and the steady strain.…”
Section: Introductionmentioning
confidence: 99%
“…In aluminum alloys, zirconium (Zr) has been proved to be an effective element in increasing the recrystallization temperature and hardenability [1]. Usually, Zr is added in the form of Al-Zr master alloys.…”
Section: Introductionmentioning
confidence: 99%