Apatite Wollastonite-Reinforced Hydroxyapatite Biocomposites

• Authors: F. Çalışkan
• Languages of publication: EN

Abstracts

EN

The paper is focused on the reinforcement of hydroxyapatite (HA) by apatite wollastonite (AW) because of its aptitude for combining biocompability with mechanical properties superior to those of the bone. HA powders were produced by thermal extraction technique involving calcination from natural source. HA-AW_{P} biocomposites containing from 0 to 20 wt.% of AW in particulate form were prepared starting with wet ball milling during 24 h, followed by powder metallurgical processes using HA powders calcined at 800°C, followed by compaction by cold pressing and by cold isostatical pressing at 250 MPa and subsequent sintering at 1100-1300°C. The phases and compositions in the resulting products were identified by XRD and XRF. Reinforcement particle distribution were investigated on polished surfaces of the sintered samples by SEM analysis and by optical microscopy. Mechanical properties of the sintered samples was evaluated via Micro Vickers hardness testing.

Keywords

EN

81.05.-t

Discipline

• 81.05.-t: Specific materials: fabrication, treatment, testing, and analysis(for superconducting materials, see 74.70.-b, and 74.72.-h; for magnetic materials, see 75.50.-y; for optical materials, see 42.70.-a; for dielectric materials, see 77.84.-s; for disperse systems and complex fluids, see 82.70.-y; see also 82.75.-z Molecular sieves, zeolites, clathrates, and other complex solids; for materials properties, see sections 60 and 70)

• Journal: Acta Physica Polonica A
• Year: 2016
• Volume: 129
• Issue: 4
• Pages: 665-668

Dates

published

2016-04

Contributors

author

F. Çalışkan

• Sakarya University, Faculty of Technology, Department of Metallurgical and Materials Engineering, Sakarya University, 54187, Sakarya, Turkey

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Identifiers

DOI

10.12693/APhysPolA.129.665