Effect of Zr addition on hot deformation behavior and microstructural evolution of AA7150 aluminum alloy

Shi, Cangji; Chen, X.-Grant

doi:10.1016/j.msea.2013.12.057

Cited by 53 publications

(22 citation statements)

References 33 publications

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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%

“…However, Lin et al [12] concluded that DRX occur when the Al-Mg alloy was deformed at medium 3 lnZ value. Therefore, Zener-Hollomon parameter is very significant to characterize the aluminum alloy microstructure evolution during elevated temperature deformation.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Research on the hot deformation behavior of Al–6.2Zn–0.70Mg–0.3Mn–0.17Zr alloy using processing map

Yan

Pan

et al. 2015

Journal of Alloys and Compounds

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Section: Microstructure Evolutionsupporting

confidence: 65%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Research on the hot deformation behavior of Al–6.2Zn–0.70Mg–0.3Mn–0.17Zr alloy using processing map

Yan

Pan

et al. 2015

Journal of Alloys and Compounds

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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%

Microstructure Evolution and Kinetics of Static Recrystallization of Medium Mn Steel in the Two‐Hit Isothermal Compression

Sun

Zhang

Wang

et al. 2020

steel research int.

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The thermal deformation behavior and microstructure evolution of medium Mn steel (0.15C–7Mn) are investigated by the two‐hit compression tests. The results reveal that different static softening dynamics are the functions of deformation temperature, interval time, and strain rate. The short static softening plateaus are exhibited in the static softening curves during post‐deformation holding at 950 °C and 0.1, 1 s−1. Based on the electron backscatter diffraction (EBSD) analysis, the progresses of static recovery (SRV) and static recrystallization (SRX) are enhanced by the increment of deformation temperature. The frequencies of medium angle boundaries (MAGBs) and high angle boundaries (HAGBs) increase gradually with an increased interval time at 1000 °C and 0.1 s−1, which suggests that both SRV and SRX contribute to static softening, but the predominant softening mechanism is SRV. In addition, the influence of temperature, interval time, and strain rate on the distribution and average magnitude of grain size is investigated. The deformation temperature and strain rate have a significant influence not only on average grain dimension, but also on the distribution of grain size. Interval time has great influence on average grain size, but has slight effect on distribution of grain size.

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“…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%

Investigation on Reaction Interface between the Aluminum and K2ZrF6 by Freezing the Molten Salt Reaction

Zhu

et al. 2016

Acta Metall. Sin. (Engl. Lett.)

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A reaction interface between the aluminum and K 2 ZrF 6 during molten salt reaction process was frozen by quenching the mold in water, and the interface structure was analyzed to determine the formation process of Al 3 Zr. Results show that a clear conical interface existed between the K 2 ZrF 6 and aluminum. A zirconium accumulation layer with the thickness of about 2-3 lm was formed at the aluminum side of the interface. Many initially formed Al 3 Zr particles (with the size of 0.4-16 lm) distributed in this layer, most of which located at the interface. The morphology of Al 3 Zr particles is closely related with their size. For the size of 0.4-1 lm, the Al 3 Zr appeared as globular and ellipsoid shapes. When it grew to the size of 1-2 and 2-16 lm, it exhibited the rule cube shape, and rule cuboids shape, respectively.

show abstract

Effect of Zr addition on hot deformation behavior and microstructural evolution of AA7150 aluminum alloy

Cited by 53 publications

References 33 publications

Research on the hot deformation behavior of Al–6.2Zn–0.70Mg–0.3Mn–0.17Zr alloy using processing map

Research on the hot deformation behavior of Al–6.2Zn–0.70Mg–0.3Mn–0.17Zr alloy using processing map

Microstructure Evolution and Kinetics of Static Recrystallization of Medium Mn Steel in the Two‐Hit Isothermal Compression

Investigation on Reaction Interface between the Aluminum and K2ZrF6 by Freezing the Molten Salt Reaction

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