Room-temperature ductility and anisotropy of two rolled Mg–Zn–Gd alloys

Yan, Hong; Chen, Rongshi; Han, En‐Hou

doi:10.1016/j.msea.2010.02.038

Cited by 133 publications

(51 citation statements)

References 31 publications

(49 reference statements)

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“…However, it has been recently reported that addition of specific elements such as Ce, Y and Ca give rise to a significant enhancement in stretch formability at room temperature in Mg alloys. [1][2][3][4][5][6][7][8][9][10] For example, Mg-1.5 mass%Zn-0.1 mass%Ca alloy exhibited a large Erichsen value of 8.2 at room temperature. 5) This value is comparable with the stretch formability of commercial wrought aluminum alloys.…”

Section: Introductionmentioning

confidence: 99%

“…16,17) Hence, the enhanced stretch formability by the addition of the specific elements is attributed to the unique basal texture: a reduction in basal texture intensity and a tilt of the basal poles to the TD. 2,3,5,6,8,10,18,19) A recent work 10) showed that the addition of Ca in Mg-Zn alloy gave rise to the formation of the unique texture, while the unique basal texture was not formed by addition of Ca in pure Mg. Thus, effects of Ca are complicated.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Ca on Tensile Properties and Stretch Formability at Room Temperature in Mg-Zn and Mg-Al Alloys

et al. 2011

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The tensile tests and the Erichsen tests at room temperature have been performed on seven kinds of Mg alloys: Mg-1.5Zn, Mg-1.5Zn-0.1Ca, Mg-3Zn, Mg-3Zn-0.1Ca, Mg-3Al, Mg-3Al-0.1Ca and Mg-1Al-1Zn-0.1Ca-0.5Mn alloys. In the Mg-Zn alloys, the 0.2% proof stress at 90, which was the angle between the tensile direction and the RD, was decreased by addition of Ca, while the 0.2% proof stress at 0 was increased by addition of Ca. Also, an increase in elongation to failure by addition of Ca at 90 was larger than that at 0 . However, such variations in tensile properties by addition of Ca were not found in the Mg-Al alloy. The stretch formability for the Mg-Zn alloys was significantly enhanced by addition of Ca, while the stretch formability of the Mg-Al alloy was not enhanced by addition of Ca. These results by the mechanical testing are ascribed to the variations in basal texture by addition of Ca.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of Ca on Tensile Properties and Stretch Formability at Room Temperature in Mg-Zn and Mg-Al Alloys

et al. 2011

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“…Again, the hardening behavior is related to the formation of twins within the large initial grains had been remained unrecrystallized. It has been found that an introduction of twinning as low as 10% volume fraction will have an appreciable effect on the hardening behavior of magnesium alloys [38]. As the number of passes increased and the mean grain size decreased, the degree of work hardening rate is lowered.…”

Section: Resultsmentioning

confidence: 99%

Compressive Deformation Behavior of an Ultrafine/Nano Grained AZ31 Magnesium Processed by Accumulative Back Extrusion

Fatemi-Varzaneh¹,

Zarei-Hanzaki²,

Paul³

2016

Archives of Metallurgy and Materials

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An AZ31magneium alloy was processed through accumulative back extrusion (ABE) process at 280 °C up to six passes. Compressive deformation behavior of the processed materials was studied by employing uniaxial compression tests at room temperature. The results indicated that grains of 80 nm to 1 µm size were formed during accumulative back extrusion, where the mean grain size of the experimental material was reduced by applying successive ABE passes. A deformation texture characterizing with the basal plane mainly lie inclined to the deformation axis was developed. Compressive yield and maximum compressive strengths were measured to increase by applying successive extrusion passes, while the strain-to-fracture dropped. The evolution of mechanical properties was explained relying on the grain refinement effect as well as texture change. It was described that the share of different deformation mechanisms and developing of shearing regions near the grain boundaries may influence the deformation behavior of the ultrafine/nano grained AZ31 alloy.

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“…Researchers have found that a combination of basal a slip and tensile twinning was responsible for the strong basal texture in as-rolled AZ31 sheets [8]. Furthermore, it has been proved that pyramidal c+a slip is responsible for the basal pole splitting towards RD [9]. The texture intensity was increased with the increase of rolling passes as a whole, and the basal texture intensity of 2rd passes was the lowest.…”

Section: Texture Evolutionmentioning

confidence: 99%

Microstructure and texture evolution in multi-pass warm rolled AZ31 magnesium alloy

Liu

2015

MATEC Web of Conferences

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Abstract. Electron Backscatter Diffraction (EBSD) is employed to characterize the microstructure and texture established during the process of warm rolled AZ31 magnesium alloy sheets. The grain size was refined from 17.4 m to 3.8 m after 4 pass rolling. Texture of as-rolled sheets was expressed by (0002) basal texture, and the texture intensity was increased with the rolling pass increasing. The mechanical properties of as-rolled sheets were greatly improved by warm rolling.

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Room-temperature ductility and anisotropy of two rolled Mg–Zn–Gd alloys

Cited by 133 publications

References 31 publications

Effects of Ca on Tensile Properties and Stretch Formability at Room Temperature in Mg-Zn and Mg-Al Alloys

Effects of Ca on Tensile Properties and Stretch Formability at Room Temperature in Mg-Zn and Mg-Al Alloys

Compressive Deformation Behavior of an Ultrafine/Nano Grained AZ31 Magnesium Processed by Accumulative Back Extrusion

Microstructure and texture evolution in multi-pass warm rolled AZ31 magnesium alloy

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