Influence of yttrium content on phase formation and strain hardening behavior of Mg–Zn–Mn magnesium alloy

Tahreen, N.; Zhang, D.F.; Pan, Fusheng; Jiang, Xianquan; Li, C.; Li, D.Y.; Chen, D.L.

doi:10.1016/j.jallcom.2014.06.211

Cited by 46 publications

(28 citation statements)

References 65 publications

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“…The microstructures and mechanical properties of the as-extruded ZM31+3.2Y alloy with I-and W-phases at RT have been reported in our earlier study [48]. The influence of Y addition on the phase formation and the resulting compressive behavior has been investigated.…”

Section: Accepted Manuscriptmentioning

confidence: 85%

“…The influence of Y addition on the phase formation and the resulting compressive behavior has been investigated. The results revealed that the strength of the ZM31+3.2Y alloy increased significantly due to the occurrence of ternary Mg-Zn-Y second phases [48]. However, to the authors' knowledge no information about the hot deformation parameters of the as-extruded Mg-Zn-Y-Mn alloy is available in the…”

Section: Accepted Manuscriptmentioning

confidence: 92%

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Hot deformation and processing map of an as-extruded Mg–Zn–Mn–Y alloy containing I and W phases

et al. 2015

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Section: Accepted Manuscriptmentioning

confidence: 85%

Section: Accepted Manuscriptmentioning

confidence: 92%

Hot deformation and processing map of an as-extruded Mg–Zn–Mn–Y alloy containing I and W phases

et al. 2015

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“…Thus, better understanding of strain hardening behavior is essential in enhancing the parameters for metal forming, since it is intimately associated to cold workability [1]. One important parameter to measure the ability of a material to be strain hardened is the strain hardening coefficient, n. As shown in other studies [1,2], the strain hardening coefficient is not constant and changes during plastic deformation. Therefore, a true strain-dependent coefficient is more adequate to describe the correct strain hardening behavior of a material [5].…”

Section: Introductionmentioning

confidence: 98%

“…Therefore, the lightweighting of components used in such areas is essential and it is seen as the most efficient way of improving fuel usage and reduce carbon emissions [1,2]. There has been effort to develop materials with an optimal combination among mechanical properties, costs and productivity [3].…”

Section: Introductionmentioning

confidence: 99%

“…Strain hardening is an essential industrial process, which is mainly used to harden alloys that are not responsive to heat treatment [4]. Thus, better understanding of strain hardening behavior is essential in enhancing the parameters for metal forming, since it is intimately associated to cold workability [1]. One important parameter to measure the ability of a material to be strain hardened is the strain hardening coefficient, n. As shown in other studies [1,2], the strain hardening coefficient is not constant and changes during plastic deformation.…”

Section: Introductionmentioning

confidence: 99%

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Strain Hardening Behavior of Dual Phase, Non-Grain Oriented Electrical and Aisi 304 Steels

Soares¹,

Gonzalez²,

Santos³

2018

ABM Proceedings

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Deeper understanding about the strain hardening behavior of steels has become necessary due to its importance in industrial processes such as mechanical cold forming, rolling and drawing. In this work, the strain hardening behavior of AISI 304, non-grain oriented electrical (NGO) and dual phase steels was investigated. Tensile tests were performed and the strain hardening behavior of each steel was studied by the Hollomon's equation. X-ray diffraction measurements and hardness tests were also carried out in order to characterize the specimens. Different work hardening stages were observed in each steel during the deformation process. The results obtained are discussed in terms of the relationship among the instantaneous strain hardening coefficient, hardness and eventual phase transformations. The instantaneous strain hardening coefficient of dual phase and NGO increases after the yield point, rapidly reaching its maximum and then steadily decreases until tensile strength is reached. In AISI 304's case, the strain hardening coefficient keeps raising to high values in response to a large strain and then rapidly decreases before reaching the tensile strength. In comparison to the other steels, AISI 304 shows higher instantaneous strain hardening coefficient value, which persists even in large strains. This is a consequence of its strain hardening mechanism based on stressinduced martensite transformation.

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A Critical Review of Mg–Zn–Y Series Alloys Containing I, W, and LPSO Phases

Tahreen

Chen

2016

Adv Eng Mater

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Magnesium and its alloys are playing an increasingly important role in the transportation industry due to the pressing demand of lightweight structures to improve fuel efficiency and reduce CO 2 emissions. But the shortcomings of poor room temperature (RT) formability and high temperature strength, tension-compression asymmetry, and anisotropy are among the major issues which are currently limiting their widespread applications. Recently, research and development activities of Mg-Zn-Y series alloys have significantly increased because of their superior mechanical properties arising from the formation of different ternary phases known as I (Mg 3 YZn 6 ), W (Mg 3 Y 2 Zn 3 ), and LPSO (Mg 12 YZn). In this review article, the crystal structure of these phases and their orientation relationships with hexagonal magnesium matrix are discussed. Recent advances about I, W, and LPSO phase containing Mg alloys are presented, along with the effects of these phases on the microstructural evolution and mechanical properties including tensile, compressive, fatigue, and creep resistance. Important aspects involving thermal stability, phase transformation, and influence of heat treatment are also described. Based on the current status, some existing issues are pointed out and further studies are suggested so as to warrant safe and reliable lightweight structural applications of Mg-Zn-Y alloys in the automotive industry.

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Influence of yttrium content on phase formation and strain hardening behavior of Mg–Zn–Mn magnesium alloy

Cited by 46 publications

References 65 publications

Hot deformation and processing map of an as-extruded Mg–Zn–Mn–Y alloy containing I and W phases

Hot deformation and processing map of an as-extruded Mg–Zn–Mn–Y alloy containing I and W phases

Strain Hardening Behavior of Dual Phase, Non-Grain Oriented Electrical and Aisi 304 Steels

A Critical Review of Mg–Zn–Y Series Alloys Containing I, W, and LPSO Phases

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