A new approach in the preparation of biodegradable Mg-MgF^sub 2^ composites with tailored corrosion and mechanical properties by powder metallurgy

This paper presents an innovative way of preparation of the magnesium-fluoride composite material with improved corrosion resistance via powder metallurgy. The preparation consists of immersion of the magnesium powder in hydrofluoric acid followed by compacting by spark plasma sintering. Therefore,...

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Bibliographic Details
Published inMaterials letters Vol. 227; p. 78
Main Authors Dvorsky, Drahomir, Kubasek, Jiri, Vojtech, Dalibor
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier BV 15.09.2018
Subjects
Biodegradability
Biodegradation
Compacting
Composite materials
Continuous sintering
Corrosion
Corrosion rate
Corrosion resistance
Hydrofluoric acid
Magnesium fluorides
Materials science
Mechanical properties
Powder metallurgy
Sintering
Spark plasma sintering
Submerging
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Summary:This paper presents an innovative way of preparation of the magnesium-fluoride composite material with improved corrosion resistance via powder metallurgy. The preparation consists of immersion of the magnesium powder in hydrofluoric acid followed by compacting by spark plasma sintering. Therefore, the material with the continuous network of MgF2 is prepared. Such material is characterized by highly decreased corrosion rate and improved mechanical properties compared to the sintered uncoated powder.
ISSN:0167-577X
1873-4979