Preparation and evaluation of cerium oxide-bovine hydroxyapatite composites for biomedical engineering applications

The fabrication and characterization of bovine hydroxyapatite (BHA) and cerium oxide (CeO2) composites are presented. CeO2 (at varying concentrations 1, 5 and 10wt%) were added to calcinated BHA powder. The resulting mixtures were shaped into green cylindrical samples by powder pressing (350MPa) followed by sintering in air (1000-1300°C for 4h). Density, Vickers microhardness (HV), compression strength, scanning electron microscopy (SEM) and X-ray diffraction (XRD) studies were performed on the products. The sintering behavior, microstructural characteristics and mechanical properties were evaluated. Differences in the sintering temperature (for 1wt% CeO2 composites) between 1200 and 1300°C, show a 3.3% increase in the microhardness (564 and 582.75HV, respectively). Composites prepared at 1300°C demonstrate the greatest compression strength with comparable results for 5 and 10wt% CeO2 content (106 and 107MPa) which are significantly better than those for 1wt% and those that do not include any CeO2 (90 and below 60MPa, respectively). The results obtained suggest optimal parameters to be used in preparation of BHA and CeO2 composites, while also highlighting the potential of such materials in several biomedical engineering applications. © 2014 Elsevier Ltd.

Yazar Gunduz O.
Gode C.
Ahmad Z.
Gökçe H.
Yetmez M.
Kalkandelen C.
Sahin Y.M.
Yayın Türü Article
Tek Biçim Adres https://hdl.handle.net/20.500.12628/7140
Tek Biçim Adres 10.1016/j.jmbbm.2014.03.004
Konu Başlıkları Bioceramics
Bovine hydroxyapatite
Cerium oxide
Mechanical properties
Microstructure
Sintering
Koleksiyonlar Araştırma Çıktıları | WoS | Scopus | TR-Dizin | PubMed | SOBİAD
Scopus İndeksli Yayınlar Koleksiyonu
WoS İndeksli Yayınlar Koleksiyonu
Dergi Adı Journal of the Mechanical Behavior of Biomedical Materials
Dergi Cilt Bilgisi 35
Sayfalar 70 - 76
Yayın Yılı 2014
Eser Adı
[dc.title]
Preparation and evaluation of cerium oxide-bovine hydroxyapatite composites for biomedical engineering applications
Yazar
[dc.contributor.author]
Gunduz O.
Yazar
[dc.contributor.author]
Gode C.
Yazar
[dc.contributor.author]
Ahmad Z.
Yazar
[dc.contributor.author]
Gökçe H.
Yazar
[dc.contributor.author]
Yetmez M.
Yazar
[dc.contributor.author]
Kalkandelen C.
Yazar
[dc.contributor.author]
Sahin Y.M.
Yayın Yılı
[dc.date.issued]
2014
Yayıncı
[dc.publisher]
Elsevier BV
Yayın Türü
[dc.type]
article
Özet
[dc.description.abstract]
The fabrication and characterization of bovine hydroxyapatite (BHA) and cerium oxide (CeO2) composites are presented. CeO2 (at varying concentrations 1, 5 and 10wt%) were added to calcinated BHA powder. The resulting mixtures were shaped into green cylindrical samples by powder pressing (350MPa) followed by sintering in air (1000-1300°C for 4h). Density, Vickers microhardness (HV), compression strength, scanning electron microscopy (SEM) and X-ray diffraction (XRD) studies were performed on the products. The sintering behavior, microstructural characteristics and mechanical properties were evaluated. Differences in the sintering temperature (for 1wt% CeO2 composites) between 1200 and 1300°C, show a 3.3% increase in the microhardness (564 and 582.75HV, respectively). Composites prepared at 1300°C demonstrate the greatest compression strength with comparable results for 5 and 10wt% CeO2 content (106 and 107MPa) which are significantly better than those for 1wt% and those that do not include any CeO2 (90 and below 60MPa, respectively). The results obtained suggest optimal parameters to be used in preparation of BHA and CeO2 composites, while also highlighting the potential of such materials in several biomedical engineering applications. © 2014 Elsevier Ltd.
Kayıt Giriş Tarihi
[dc.date.accessioned]
2019-12-23
Açık Erişim Tarihi
[dc.date.available]
2019-12-23
Yayın Dili
[dc.language.iso]
eng
Konu Başlıkları
[dc.subject]
Bioceramics
Konu Başlıkları
[dc.subject]
Bovine hydroxyapatite
Konu Başlıkları
[dc.subject]
Cerium oxide
Konu Başlıkları
[dc.subject]
Mechanical properties
Konu Başlıkları
[dc.subject]
Microstructure
Konu Başlıkları
[dc.subject]
Sintering
Haklar
[dc.rights]
info:eu-repo/semantics/closedAccess
ISSN
[dc.identifier.issn]
1751-6161
Sponsor YAYINCI
[dc.description.sponsorship]
2003K120810
Sponsor YAYINCI
[dc.description.sponsorship]
This study was carried out mainly with the equipment furnished (between 2007–2008) to Marmara University with the support of the Turkish Republic Government Planning Organization in the framework of the project 2003K120810 “Manufacturing and Characterization of Electro-Conductive Bioceramics”.
İlk Sayfa Sayısı
[dc.identifier.startpage]
70
Son Sayfa Sayısı
[dc.identifier.endpage]
76
Dergi Adı
[dc.relation.journal]
Journal of the Mechanical Behavior of Biomedical Materials
Dergi Cilt Bilgisi
[dc.identifier.volume]
35
Tek Biçim Adres
[dc.identifier.uri]
https://dx.doi.org/10.1016/j.jmbbm.2014.03.004
Tek Biçim Adres
[dc.identifier.uri]
https://hdl.handle.net/20.500.12628/7140
Görüntülenme Sayısı ( Şehir )
Görüntülenme Sayısı ( Ülke )
Görüntülenme Sayısı ( Zaman Dağılımı )
Görüntülenme
40
09.12.2022 tarihinden bu yana
İndirme
1
09.12.2022 tarihinden bu yana
Son Erişim Tarihi
09 Şubat 2024 09:55
Google Kontrol
Tıklayınız
sintering microhardness compression strength 1300°C results powder composites respectively) better significantly 107MPa) greatest content comparable Composites prepared demonstrate increase Elsevier applications engineering biomedical several materials potential highlighting preparation parameters optimal suggest obtained include mechanical 10wt%)
6698 sayılı Kişisel Verilerin Korunması Kanunu kapsamında yükümlülüklerimiz ve çerez politikamız hakkında bilgi sahibi olmak için alttaki bağlantıyı kullanabilirsiniz.

creativecommons
Bu site altında yer alan tüm kaynaklar Creative Commons Alıntı-GayriTicari-Türetilemez 4.0 Uluslararası Lisansı ile lisanslanmıştır.
Platforms