Effect of Ca addition on the as-cast microstructure and creep properties of Mg-5Zn-5Sn magnesium alloy

Yang, Ming‐Bo; Cheng, Liang; She, Jia; Pan, Fusheng

doi:10.1007/s12598-009-0111-6

Cited by 7 publications

(6 citation statements)

References 14 publications

(16 reference statements)

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“…However, this improvement is limited due to the formation of the Mg17Al12 phase. Due to the ability to enhance creep resistance and tensile strength, calcium (Ca) is generally added to Mg alloys [8]. Yanfu Chai, et al studied [9] the properties of Mg-Sn-Zn alloy with the minor addition of Ca content and found that the mechanical properties are improved while the Mg2Sn phase transforms into Ca-Mg-Sn and Mg2Ca phases.…”

Section: Introduction *mentioning

confidence: 99%

Effect of Co-addition of Sn, Traces of RE and Ca on the Mechanical and Micro Structural Properties of As-cast AZ80 Alloy

MANCHALA,

VEGESNA

2024

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In this study, the effect of co-addition of tin (0, 6 and 9 wt.%), cerium (0, 0.3 and 0.6 wt.%), gadolinium (0, 0.6 and 0.9 wt.%) and calcium (0, 0.6 and 0.9 wt.%) on the mechanical and microstructural properties of AZ80 magnesium alloy is investigated. The results indicate that the mechanical properties are improved for all the as-cast alloys when compared to base alloy except for one alloy which is due to the presence of Mg-Sn-Ca phase in high volume fraction. Also, it is found that the existence of Al2Ca, Mg2Ca, Al2RE, MgSnRE and Mg2Sn phases have a significant impact on the mechanical and microstructural characteristics of the as-cast AZ80 alloys. It is observed that without the addition of Sn content, the best room temperature tensile properties are obtained for the alloy containing 1.5 wt.% of RE and 0.9 wt.% of Ca. With the addition of Sn, it is found that the best room temperature tensile properties are obtained for the alloy containing 6 wt.% of Sn, 0.9 wt.% of RE and 0.5 wt.% of Ca.

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Section: Introduction *mentioning

confidence: 99%

Effect of Co-addition of Sn, Traces of RE and Ca on the Mechanical and Micro Structural Properties of As-cast AZ80 Alloy

MANCHALA,

VEGESNA

2024

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“…7 Moreover, the mechanical properties and creep resistance of a ternary Mg-Zn-Sn alloy was reported to be significantly improved by the addition 1.0 wt.% of Ca. 8 The addition of Ca also results in refined grains, 9 an enhanced ignition point 10 and a weakened texture which leads to the improvement of ductility for Mg alloys. 11 In Mg-Ca-based alloys, Mg 2 Ca phases play an important role in enhancing the creep properties, as it is a thermally stable compound with a high melting point 12 and can effectively hinder grain boundary sliding and dislocation motion even at elevated temperatures.…”

Section: Introductionmentioning

confidence: 99%

The Role of Second Phases on the Creep Behavior of As-Cast and Hot-Extruded Mg-Ca-Zr Alloys

You

Huang

Dieringa

et al. 2019

JOM

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The effect of second phases on the creep behavior of Mg-Ca-Zr alloys was investigated. Casting and hot-extrusion processes were performed to prepare Mg-xCa-0.5Zr (x = 0 wt.%, 0.3 wt.% and 0.6 wt.%) alloys with different morphologies and distributions of second phases. The as-cast microstructures of Mg-Ca-Zr alloys consisted of an Mg matrix and coarse Mg 2 Ca intermetallic compounds distributed at the grain boundaries. The hot-extruded microstructures exhibited finer Mg 2 Ca spherical particles and precipitates distributed homogeneously inside the matrix and along the grain boundaries. The results of creep tests suggested that the viscous glide of dislocation and dislocation climb were the dominant creep mechanisms of Mg-Ca-Zr alloys crept at 200°C. The creep property was strongly related to the morphology and distribution of the Mg 2 Ca phases. The finer and more homogeneously distributed particles showed a better strengthening effect than the coarser intermetallic compounds distributed along the grain boundaries.

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“…13 Hassel et al 14 reported that Ca could improve both the corrosion resistance against NaCl solution and the mechanical properties of magnesium alloy. Zhang et al 15 indicated that adding Ca element to Mg-Zn-based alloys can improve creep resistance. And Ca is a valid grain refiner in Mg-based alloys.…”

Section: Introductionmentioning

confidence: 99%

“…Zhang et al . 15 indicated that adding Ca element to Mg–Zn-based alloys can improve creep resistance. And Ca is a valid grain refiner in Mg-based alloys.…”

Section: Introductionmentioning

confidence: 99%

Microstructure, mechanical and bio-corrosion properties of Mg–Zn–Zr alloys with minor Ca addition

Wang

et al. 2016

Materials Science and Technology

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In this research, effect of minor alloying element Ca on microstructure, mechanical and biocorrosion properties of as-cast Mg-3Zn-0.3Zr-xCa (x = 0, 0.3, 0.6, 0.9) alloys were investigated for biomedical application. The result showed that Ca played a dual role in mechanical properties and corrosion resistance. With minor Ca addition, the microstructure of the alloy is significantly refined and more uniform. The elongation, tensile strength and corrosion resistance of the studied alloys increases and then decreases with the increase of Ca content. With increasing the Ca content to 0.6 wt-%, the new strip phase of Ca 2 Mg 6 Zn 3 can be found, and gives the best strength and corrosion resistance. It was thought that the alteration of the second phase and the microstructure affect the mechanical and bio-corrosion properties.

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Effect of Ca addition on the as-cast microstructure and creep properties of Mg-5Zn-5Sn magnesium alloy

Cited by 7 publications

References 14 publications

Effect of Co-addition of Sn, Traces of RE and Ca on the Mechanical and Micro Structural Properties of As-cast AZ80 Alloy

Effect of Co-addition of Sn, Traces of RE and Ca on the Mechanical and Micro Structural Properties of As-cast AZ80 Alloy

The Role of Second Phases on the Creep Behavior of As-Cast and Hot-Extruded Mg-Ca-Zr Alloys

Microstructure, mechanical and bio-corrosion properties of Mg–Zn–Zr alloys with minor Ca addition

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