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Introduction
ABBA Lab
Contact us
Member
Professor
Student
Alumni
Research
3D Printing for hard tissue engineering
3D Printing for soft tissue engineering
Fabrication of porous scaffolds
Advanced surface modification
Publication
Journal
Patent
Board
News
Gallery
Lecture
ABBA Lab
Advanced Biomaterials for Biomedical Applications Lab
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Introduction
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Journal
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> > > Biodegradable porous magnesium (Mg) with hydroxyapatite (HA) coating suitable for biomedical applications was fabricated. A blend of Mg and NaCl particles was sintered by spark plasma sintering (SPS), and then the NaCl was dissolved to obtain a porous structure. Different levels of porosity (50%, 60% and 70%) were achieved by adjusting the volume fraction of NaCl, while preserving high pore interconnectivity with a large pore size of~240 μm. In addition, a dense HA coating layer comprised of needle-shaped HA crystals was formed on the surface of the porous Mg by treatment in an aqueous solution. Both bare and HA-coated porous Mg specimens with a porosity of 60% exhibited ductile behavior under compressive loading and similar levels of ultimate compressive strength (~15 MPa). However, HA coating significantly enhanced the corrosion resistance of porous Mg. > >
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