Review on Research and Development of Magnesium Alloys

Yang, Zhimao; Li, J.P.; Zhang, J.X.; Lorimer, G. W.; Robson, James

doi:10.1016/s1006-7191(08)60054-x

Cited by 393 publications

(164 citation statements)

References 26 publications

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“…It has limited slip systems and the activation of non-basal slip is difficult at room temperature, thereby limiting the ductility [1,2]. This limitation is being overcome with the development of new magnesium based alloys [3]. Amongst the several common alloying elements, rare earth (RE) addition has given promising results in terms of weakening the texture and improving the deformability of Mg [4,5].…”

Section: Introductionmentioning

confidence: 99%

Mechanical Properties of Magnesium-Rare Earth Alloy Systems: A Review

Tekumalla

Seetharaman

Almajid

2014

Metals

179

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Magnesium-rare earth based alloys are increasingly being investigated due to the formation of highly stable strengthening phases, activation of additional deformation modes and improvement in mechanical properties. Several investigations have been done to study the effect of rare earths when they are alloyed to pure magnesium and other Mg alloys. In this review, the mechanical properties of the previously investigated different magnesium-rare earth based binary alloys, ternary alloys and other higher alloys with more than three alloying elements are presented.

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Section: Introductionmentioning

confidence: 99%

Mechanical Properties of Magnesium-Rare Earth Alloy Systems: A Review

Tekumalla

Seetharaman

Almajid

2014

Metals

179

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“…On the other hand, TEM and EBSD-based investigations observed the conversion of dislocation cell walls into subgrain boundaries [45] and, ultimately, into high angle boundaries [51,56,63,64] in the same temperature range (573-723 K). Moreover, Sitdikov et al [51] and Yang et al [13] explain that the bulging process in magnesium involves the formation of low-angle subboundaries, which cut off the bulge protrusion from the grain body, the misorientation of such boundaries gradually increases leading to the development of a high angle boundary. This means that, to some extent, DDRX in magnesium partially involves a continuous DRX component.…”

Section: Effect Of Processing On Grain Size and Texturementioning

confidence: 99%

“…The τ non-basal can be lowered by an addition of solute elements such as Li and Ce, etc. [10][11][12][13], which reduce the c/a value or increase the stacking fault energy. The second path consists of reducing the grain size by thermomechanical processing [14,15].…”

Section: Introductionmentioning

confidence: 99%

Influence of thermomechanical processing on the grain size, texture and mechanical properties of Mg-Al alloys

Srinivasarao¹,

Valle²,

Ruano³

et al. 2012

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The work carried out by the authors over the last decade on the processing, microstructural characterization and the mechanical behaviour of Mg alloys is reviewed. In particular, the potential for grain refinement and for the development of specific textures of large strain hot rolling (LSHR), equal channel angular pressing (ECAP) and accumulative roll bonding (ARB) is discussed. The recrystallization and the deformation mechanisms predominant in Mg alloys are analysed as a function of the grain size and the texture in a wide range of stresses, strain rates and temperatures. Finally, the feasibility of superplastic forming of Mg alloys was examined, taking into account the influence of factors such as grain size stability and microstructural heterogeneities.K e y w o r d s : magnesium alloys,

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“…As the lightest metal structural materials, magnesium alloys are being used to speed up the process of lightweight in automotive, motorcycle and aerospace field due to their high strength-to-weight ratio, specific strength, stiffness and low density [1]. Moreover, the weight reduction of engineering parts can bring on reduced energy consumption and beneficial environmental implications.…”

Section: Introductionmentioning

confidence: 99%

Structural stability and elastic constants of precipitate phases of Mg-5%Al alloy with combined Ca and Sr addition from first-principles calculations

Luo¹,

Tang²,

Du³

et al. 2016

Proceedings of the 2016 5th International Conference on Environment, Materials, Chemistry and Power Electronics

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Abstract. The calculated lattice parameters and enthalpies of formation of A1 2 Ca, Al 2 Sr，A1 4 Ca, Al 4 Sr， Mg 2 Ca,and Mg 2 Sr phase in Mg-Al-Ca-Sr alloy system were compared with both calculation results and experimental data published in references available, and the structural stability of these intermetallic compounds phases were estimated from the energetic point of view. The results showed that A1 2 Ca phase had a higher structural stability. After further calculation of lattice parameters and enthalpies of formation of Al 2 (Ca,Sr) phase with Sr and Ca variation respectively, the structural stability of Al 2 (Ca,Sr) phase was predicted from the thermodynamic point of view. The results showed that Al 2 (Ca,Sr) phase had a good alloying ability and the Al 2 (Ca,Sr) with various Ca/Sr atom ratio was either stable, which demonstrated the mutual solubility of Ca and Sr in Al 2 (Ca,Sr) phase. The elastic constants and mechanical parameters for Mg, Al 2 (Ca, Sr) and Al 4 Sr in Mg-5%Al-Ca-Sr alloy were further calculated. Results showed that the obtained elastic constants and mechanical parameters of Mg were accordant with the experimental results and Al 4 Sr is both of the best ductility and plasticity, while Al 2 (Ca, Sr) is both of poorest ductility and plasticity in Mg-Al-Ca-Sr alloy.

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Review on Research and Development of Magnesium Alloys

Cited by 393 publications

References 26 publications

Mechanical Properties of Magnesium-Rare Earth Alloy Systems: A Review

Mechanical Properties of Magnesium-Rare Earth Alloy Systems: A Review

Influence of thermomechanical processing on the grain size, texture and mechanical properties of Mg-Al alloys

Structural stability and elastic constants of precipitate phases of Mg-5%Al alloy with combined Ca and Sr addition from first-principles calculations

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