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 µm) 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.

Corrosion behavior of magnesium and magnesium-hydroxyapatite composite fabricated by friction stir processing in Dulbecco's phosphate buffered saline / Ahmadkhaniha, D; Fedel, Michele; Heydarzadeh Sohi, M.; Zarei Hanzaki, A.; Deflorian, Flavio. - In: CORROSION SCIENCE. - ISSN 0010-938X. - STAMPA. - 104:(2016), pp. 319-329. [10.1016/j.corsci.2016.01.002]

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

Fedel, Michele;Deflorian, Flavio
2016-01-01

Abstract

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 µm) 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.
2016
Ahmadkhaniha, D; Fedel, Michele; Heydarzadeh Sohi, M.; Zarei Hanzaki, A.; Deflorian, Flavio
Corrosion behavior of magnesium and magnesium-hydroxyapatite composite fabricated by friction stir processing in Dulbecco's phosphate buffered saline / Ahmadkhaniha, D; Fedel, Michele; Heydarzadeh Sohi, M.; Zarei Hanzaki, A.; Deflorian, Flavio. - In: CORROSION SCIENCE. - ISSN 0010-938X. - STAMPA. - 104:(2016), pp. 319-329. [10.1016/j.corsci.2016.01.002]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11572/141903
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