Effects of Mg17Sr2 Phase on the bio-corrosion behavior of Mg-Zr-Sr alloys

Ding, Yunfei, Li, Yuncang and Wen, Cuie 2016, Effects of Mg17Sr2 Phase on the bio-corrosion behavior of Mg-Zr-Sr alloys, Advanced engineering materials, vol. 18, no. 2, pp. 259-268, doi: 10.1002/adem.201500222.

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Title Effects of Mg17Sr2 Phase on the bio-corrosion behavior of Mg-Zr-Sr alloys
Author(s) Ding, Yunfei
Li, Yuncang
Wen, Cuie
Journal name Advanced engineering materials
Volume number 18
Issue number 2
Start page 259
End page 268
Total pages 10
Publisher Wiley
Place of publication London, Eng.
Publication date 2016-02
ISSN 1438-1656
Summary The effect of the second phase Mg17Sr2 on the biocorrosion behavior of Mg5ZrxSr (x = 0, 2, 5 wt%) alloys before and after solution treatment was investigated. Electrochemical impedance spectroscopy, cathodic polarization and hydrogen evolution were used to evaluate the biocorrosion of Mg5ZrxSr. We found that Mg17Sr2 precipitated on boundary zones and enhanced the galvanic effect, leading to a severer corrosion of the Mg matrix adjacent to Mg17Sr2. The corrosion subsequently spread gradually from the regions adjacent to the Mg17Sr2 to the central Mg matrix. However, a high volume fraction of Mg17Sr2 could also form a continuous network, isolate the Mg matrix and act as a barrier of corrosion.
Language eng
DOI 10.1002/adem.201500222
Field of Research 091207 Metals and Alloy Materials
0912 Materials Engineering
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Wiley
Persistent URL http://hdl.handle.net/10536/DRO/DU:30083985

Document type: Journal Article
Collections: Institute for Frontier Materials
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