In vitro bioactivity of titanium/hydroxyapatite composites fabricated by powder metallurgy

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TypeTechnical Report
Series titleIMI Series; no. 2009-119882-G
Physical description27 leaves: ill.
SubjectTitanium; Hydroxyapatite; composites; in vitro
AbstractTitanium/hydroxyapatite (Ti/HA) composites with low HA additions (≤ 20 vol.%) were fabricated by powder metallurgy and the in vitro bioactivity of the composites was evaluated in a simulated body fluid (SBF). After immersion in the SBF, all composite samples induced nucleation and growth of carbonated apatite. With the increase of the HA addition, co-precipitation of CaCO3 and Mg(OH)2 with the apatite was detected on the composite surface at an early stage of immersion. The in vitro behavior of the composites and the precipitates formed during immersion were determined by both the surface conditions and the chemistry of the composite. The results indicated that the Ti/HA composites with low HA addition were bioactive and hard the potential to be used for hard-tissue replacement.
Publication date
PublisherNational Research Council of Canada. Industrial Materials Institute
AffiliationNational Research Council Canada; NRC Industrial Materials Institute
Peer reviewedNo
NRC number50968
NPARC number21274360
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Record identifierd1626faf-9173-4547-9176-e34991aaf9ef
Record created2015-03-11
Record modified2016-10-03
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