Dissemination of IT for the Promotion of Materials Science (DoITPoMS)

DoITPoMS Micrograph Library Full Record for Micrograph 117

Full Record for Micrograph 117

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Micrograph no
117
Brief description
Sintered disc of Hydroxyapatite (Ca10(PO4)6(OH)2), a calcium phosphate ceramic with similar composition to natural bone mineral
Keywords
bone Link to MATTER Glossary entry for bone, calcium phosphate, ceramic Link to MATTER Glossary entry for ceramic, hydroxyapatite Link to MATTER Glossary entry for hydroxyapatite
Categories
Ceramic
System
Hydroxyapatite (Ca10(PO4)6(OH)2)
Composition
Not specified
Standard codes
Reaction
Produced by Aqueous reaction of calcium hydroxide (Ca(OH)<sub>2</sub> and orthosphoric acid (H<sub>3</sub>PO<sub>4</sub>)
Processing
Uniaxial Pressed at 5 metric tons in a 32 mm die press
Applications
Hydroxyapatite is used as a bone graft material, and also for plasma sprayed coatings on total hip replacements
Sample preparation
Sputter coated in gold
Technique
Scanning electron microscopy (SEM)
Length bar
18 μm
Further information
Contributor
V A Mellon
Organisation
Department of Materials Science and Metallurgy, University of Cambridge
Date
03/12/01
Licence for re-use
Attribution-Non-Commercial-Share Alike 2.0 UK: England & Wales