Decreasing Bio-Degradation Rate of the Hydrothermal-Synthesizing Coated Mg Alloy via Pre-Solid-Solution Treatment.

Dan Song, Cheng Li, Liwen Zhang, Xiaolong Ma, Guanghui Guo, Fan Zhang, Jinghua Jiang, Aibin Ma

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Article in Materials (Basel, Switzerland), 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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8 authors.

Dan SongCollege of Mechanics and Materials, Hohai University, Nanjing 210098, China. songdancharls@hhu.edu.cn.

Cheng LiCollege of Mechanics and Materials, Hohai University, Nanjing 210098, China. muzi6318@163.com.

Liwen ZhangDepartment of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695, USA. lzhang30@ncsu.edu.

Xiaolong MaDepartment of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695, USA. xma4@ncsu.edu.

Guanghui GuoCollege of Mechanics and Materials, Hohai University, Nanjing 210098, China. Guo_guanghui@cypc.com.

Fan ZhangCollege of Mechanics and Materials, Hohai University, Nanjing 210098, China. zhangf416@gmail.com.

Jinghua JiangCollege of Mechanics and Materials, Hohai University, Nanjing 210098, China. jinghua-jiang@hhu.edu.cn.

Aibin MaCollege of Mechanics and Materials, Hohai University, Nanjing 210098, China. aibin-ma@hhu.edu.cn.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In this study, we report an effective approach, pre-solid solution (SS) treatment, to reduce the in-vitro bio-degradation rate of the hydrothermal-synthesizing coated Mg-2Zn-Mn-Ca-Ce alloy in Hanks' solution. Pre-SS treatment alters the microstructure of alloys, which benefits the corrosion resistances of the substrate itself and the formed coating as well. The micro-galvanic corrosion between the secondary phase (cathode) and the α-Mg phase (anode) is relieved due to the reduction of the secondary phase. Meanwhile, coating formed on the SS-treated alloy was compacter than that on as-cast alloy, which provides better protection against initial corrosion.

Indexed as

bio-degradation behaviorconversion coatingMg alloymicrostructuresolid solution treatment

Identifiers

PMID28773223

DOI10.3390/ma10080858

PMCPMC5578224

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