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Mechanochemical synthesis of nanocrystalline hydroxyapatite from CaO and CaHPO4

Paper ID Volume ID Publish Year Pages File Format Full-Text
12861 820 2001 8 PDF Available
Title
Mechanochemical synthesis of nanocrystalline hydroxyapatite from CaO and CaHPO4
Abstract

Ceramic hydroxyapatite phase was triggered to occur by high-energy mechanical activation of a dry powder mixture of calcium oxide (CaO) and anhydrous calcium hydrogen phosphate (CaHPO4). A singe-phase hydroxyapatite of high crystallinity was realised by >20 h of mechanical activation without further thermal treatment at high temperatures. The resulting hydroxyapatite powder exhibits an average particle size of ∼25 nm and a specific surface area of 76.06 m2/g, as measured by multi-point BET technique. It was sintered to a density of 98.20% theoretical density at 1200°C for 2 h.

Keywords
Mechanochemical synthesis; Nanocrystalline hydroxyapatite; CaO; CaHPO4
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Mechanochemical synthesis of nanocrystalline hydroxyapatite from CaO and CaHPO4
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 22, Issue 20, 15 October 2001, Pages 2705–2712
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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