Corrosion behavior of magnesium and magnesium-hydroxyapatite composite fabricated by friction stir processing in Dulbecco's phosphate buffered saline

被引：66

作者：

Ahmadkhaniha, D. ^{[1
]}

Fedel, M. ^{[2
]}

Sohi, M. Heydarzadeh ^{[1
]}

Hanzaki, A. Zarei ^{[1
]}

Deflorian, F. ^{[2
]}

机构：

[1] Univ Tehran, Coll Engn, Sch Met & Mat, POB 1155-4563, Tehran, Iran

[2] Univ Trento, Dept Ind Engn, Via Sommarive 9, I-38123 Trento, Italy

来源：

CORROSION SCIENCE | 2016年 / 104卷

关键词：

Magnesium; Metal matrix composite; EIS; Polarization; XRD; IN-VITRO DEGRADATION; SIMULATED BODY-FLUID; WE43 MG ALLOY; MECHANICAL-PROPERTIES; ELECTROCHEMICAL CORROSION; PURE MAGNESIUM; MICROSTRUCTURE; PERFORMANCE; TEXTURE; SURFACE;

D O I：

10.1016/j.corsci.2016.01.002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnesium-hydroxyapatite composite was fabricated by friction stir processing. The effects of hydroxyapatite particles addition along with structural refinement on the corrosion resistance of the composite were investigated by electrochemical techniques and X-ray diffraction analysis. The results indicate that the achieved grain refinement (18 mu m) and the dominated basal texture in friction stir processed (FSPed) magnesium would properly enhance corrosion resistance by more than one order of magnitude after 96 hours of immersion. However, addition of hydroxyapatite particles would weaken the basal texture, thereby deteriorating the corrosion resistance to less than 20% of that of in FSPed Mg. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：319 / 329

页数：11

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