Response of Functionality Graded Hydroxyapatite/F-75 in Saline Solution 0.9% NaCl

Autor:	Shamsul Baharin Jamaludin, Nur Hidayah Ahmad Zaidi, Noorazimah Ab Llah
Rok vydání:	2013
Předmět:	Materials science General Engineering Mineralogy Phosphate Apatite Corrosion chemistry.chemical_compound stomatognathic system chemistry visual_art Powder metallurgy visual_art.visual_art_medium Hydroxide Fourier transform infrared spectroscopy Dissolution Layer (electronics) Nuclear chemistry
Zdroj:	Advanced Materials Research. 795:338-342
ISSN:	1662-8985
DOI:	10.4028/www.scientific.net/amr.795.338
Popis:	Functionally graded hydroxyapatite (HAP) /F-75 was fabricated using powder metallurgy technique. Samples fabricated were tested inside 0.9% NaCl to check their bioactivity reaction. After immersed, samples were analyzed using Fourier Transform Infrared (FTIR) and mass change. Result showed that mass gain decreased as the percentage of HAP in the intermediate layer increased. Mass gain obtained after immersion test because of the passive layer formation on the F-75 surface. Dissolution of HAP was occurred as the FTIR analysis detected the existence of phosphate, and hydroxide ions bands inside the solution. The dissolution process is the part of the mechanism of apatite formation. The apatite layer formation is important to encourage the formation of new bone.
Databáze:	OpenAIRE
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