Corrosion behavior and mechanical properties of Mg-Zn-Ca amorphous alloys

Fengxiang Qin; Guoqiang Xie; Zhenhua Dan; Shengli Zhu; Ichiro Seki

doi:10.1016/j.intermet.2013.04.021

Corrosion behavior and mechanical properties of Mg-Zn-Ca amorphous alloys

Fengxiang Qin, Guoqiang Xie, Zhenhua Dan, Shengli Zhu, Ichiro Seki

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

Abstract

In this research, the corrosion behavior and mechanical properties of the Mg-Zn-Ca amorphous alloys, as well as the effects of Ag addition were investigated. The results revealed that the as-cast Mg₆₅Zn ₃₀Ca₅ amorphous alloy exhibited the high fracture strength over 720 MPa, which was further enhanced by 1% Ag addition. The polarization resistances in Hanks' solution of high purity Mg, Mg₆₅Zn ₃₀Ca₅, Mg₆₅Zn₃₀Ca₄Ag ₁ and Mg₆₃Zn₃₀Ca₄Ag₃ amorphous alloys were 5710, 5640, 8542 and 4125 Ohms/cm², respectively. The minor addition of 1% Ag and homogeneous structure are responsible for improved strength and polarization resistance. With more Ag addition, both the strength and corrosion resistance were decreased due to the deceasing of the glass forming ability and galvanic corrosion.

Original language	English
Pages (from-to)	9-13
Number of pages	5
Journal	Intermetallics
Volume	42
DOIs	https://doi.org/10.1016/j.intermet.2013.04.021
Publication status	Published - 2013 Jun 11

Keywords

B. Corrosion
B. Glasses, metallic
F. Mechanical testing
G. Biomedical applications

ASJC Scopus subject areas

Chemistry(all)
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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abstract = "In this research, the corrosion behavior and mechanical properties of the Mg-Zn-Ca amorphous alloys, as well as the effects of Ag addition were investigated. The results revealed that the as-cast Mg65Zn 30Ca5 amorphous alloy exhibited the high fracture strength over 720 MPa, which was further enhanced by 1% Ag addition. The polarization resistances in Hanks' solution of high purity Mg, Mg65Zn 30Ca5, Mg65Zn30Ca4Ag 1 and Mg63Zn30Ca4Ag3 amorphous alloys were 5710, 5640, 8542 and 4125 Ohms/cm2, respectively. The minor addition of 1% Ag and homogeneous structure are responsible for improved strength and polarization resistance. With more Ag addition, both the strength and corrosion resistance were decreased due to the deceasing of the glass forming ability and galvanic corrosion.",

keywords = "B. Corrosion, B. Glasses, metallic, F. Mechanical testing, G. Biomedical applications",

author = "Fengxiang Qin and Guoqiang Xie and Zhenhua Dan and Shengli Zhu and Ichiro Seki",

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AU - Qin, Fengxiang

AU - Xie, Guoqiang

AU - Dan, Zhenhua

AU - Zhu, Shengli

AU - Seki, Ichiro

PY - 2013/6/11

Y1 - 2013/6/11

N2 - In this research, the corrosion behavior and mechanical properties of the Mg-Zn-Ca amorphous alloys, as well as the effects of Ag addition were investigated. The results revealed that the as-cast Mg65Zn 30Ca5 amorphous alloy exhibited the high fracture strength over 720 MPa, which was further enhanced by 1% Ag addition. The polarization resistances in Hanks' solution of high purity Mg, Mg65Zn 30Ca5, Mg65Zn30Ca4Ag 1 and Mg63Zn30Ca4Ag3 amorphous alloys were 5710, 5640, 8542 and 4125 Ohms/cm2, respectively. The minor addition of 1% Ag and homogeneous structure are responsible for improved strength and polarization resistance. With more Ag addition, both the strength and corrosion resistance were decreased due to the deceasing of the glass forming ability and galvanic corrosion.

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