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The Potential of Hydroxyapatite-Alumina Composites for Artificial Bone Implant |
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PP: 87-93 |
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doi:10.18576/ijtfst/130201
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Author(s) |
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Yuli Yetri,
Ikhsan Ikhsan,
Jon Affi,
Gunawarman Gunawarman,
Yuli Panca Asmara,
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Abstract |
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| The production of hydroxyapatite (HA) from bovine bone has been carried out, to which alumina (Al2O3) and
ortho resin will be added to form HA-alumina composites. The aim of this research is to obtain HA-Alumina composites
which can be used as artificial implants. Bovine bone waste was synthesized by mechanical thermal. Its charaterization was
performed by means of X-Ray Fluorescene (XRF) for ratio (Ca:P) analysis, Scanning Electron Microscopy (SEM) for
microstructure, X-Ray Diffraction (XRD) to analyze the crystals of HA, Electron Diffraction X-Ray (EDX) was utilized to
measure the composition of HA-alumina composites. The mechanical method with calcination at a temperature of 800o
C
was conducted on bovine bones to obtain HA. The HA-alumina composite was continued with the addition of 0%, 15%,
25%, and 50% of the total weight of alumina by adding resin as a binder. Analysis with SEM showed irregular round grains
with an average size of 42.25µm. The obtained XRF analysis result was a Ca/P ratio of 1.61. The hardness and tensile strength
of the composite increased and the percentage of agglomeration area decreased as the alumina composition was added. The
addition of 50% alumina resulted in maximum hardness and tensile strength values of 124.8 HB and 86.56 MPa. The addition
of alumina increased the mechanical properties of hardness and tensile strength. Hence, HA-Alumina composites could be
used as artificial bone implants. |
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