Ti6Al4V Surface Modification by Hydroxyapatite Powder Mixed Electrical Discharge Machining for Medical Applications
Öz
Titanium surface modification by the Hydroxyapatite (HA) mixed Electrical Discharge Machining (EDM) is an alternative and promising technique to enhance the biocompatibility and to promote the biological performance in bone, which is dependent on surface properties, such as surface roughness, chemistry, and wettability. HA powder is used for the first time with electrical discharge machining to improve osteoblastic cell activity on the developed surfaces for Ti6Al4V. Different HA concentrations in deionized water were tested as an experimental variable during EDM. Abrasive polishing and electrical discharge machined control surfaces without powder addition also analyzed to compare the results. The surface characteristics of analyzed samples were evaluated by Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDS), X-Ray Diffractometry (XRD), white light interferometry, and contact angle measurements. The wettability tests suggest that the hydroxyapatite powder mixed EDM’ed surfaces shows highly hydrophilic characteristics compared the other surfaces, abrasive polished and EDM’ed without powder addition in the dielectric. The results from the MTT assay revealed that those surfaces modified using HA powder addition in distilled water dielectric liquid promoted the most significant cell attachment/growth. The results indicate that HA powder mixed EDM offers a promising method for the surface modification of biomaterials such as titanium alloys
Anahtar Kelimeler
Kaynakça
- BU BİLDİRİ UMTIK 2018 YÜZEY BÜTÜNLÜĞÜ SEMPOZYUMUNDA SUNULDU.BU BİLDİRİNİN YÜZEY BÜTÜNLÜĞÜ ÖZEL SAYISINDA BASILMAK ÜZERE SEÇİLMİŞ OLDUĞUNU TARAFIMIZA BİLDİRİLMİŞTİR.
Ayrıntılar
Birincil Dil
İngilizce
Konular
Mühendislik
Bölüm
Araştırma Makalesi
Yazarlar
Tahsin Opoz
*
0000-0001-6579-2238
United Kingdom
Hamidullah Yasar
0000-0001-9189-9266
Türkiye
Mark Murphy
Bu kişi benim
0000-0002-3974-4029
United Kingdom
Nihal Ekmekci
0000-0002-1447-0711
Türkiye
Bulent Ekmekci
0000-0002-3632-2197
Türkiye
Yayımlanma Tarihi
20 Mayıs 2019
Gönderilme Tarihi
2 Ağustos 2018
Kabul Tarihi
27 Mart 2019
Yayımlandığı Sayı
Yıl 2019 Cilt: 31
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