The Effect of Synthesis Conditions on Calcium Silicate Bioceramic Materials

Öz

In this study, calcium silicate bioceramic materials of various Ca/Si ratios were prepared using tetraethyl orthosilicate and calcium nitrate by a hydrothermal synthesis method, taking into consideration cost-effective and environmentally friendly, ‘green’, synthesis rules. For comparison purposes, sol-gel synthesis method was also used. Calcium silicate bioceramic materials produced by both methods were calcined at 600°C and 950°C. Fourier Transform Infrared Spectroscopy, Thermogravimetric Thermal Analysis, Field Emission Scanning Electron Microscopy and X-ray Diffraction methods were used to characterize calcium silicate bioceramic materials. The characterization results validated the formation of calcium silicate materials.

Anahtar Kelimeler

• Calcium silicate bioceramic,Materials,Hydrothermal synthesis,Calcination,X-ray diffraction

Sentez Koşullarının Kalsiyum Silikat Biyoseramik Malzemelere Etkisi

Öz

Bu çalışmada, çeşitli Ca/Si oranlarındaki kalsiyum silikat biyoseramik malzemeleri, düşük maliyetli ve çevre dostu "yeşil" sentez kuralları göz önünde bulundurularak, bir hidrotermal sentez yöntemi ile hazırlanmıştır. Karşılaştırma amacıyla sol-gel sentez metodu da kullanılmıştır. Başlangıç materyali olarak tetraetil ortosilikat ve kalsiyum nitrat kullanılmıştır. Her iki yöntemle üretilen kalsiyum silikat biyoseramik malzemeleri 600 °C ve 950 °C'de kalsine edilmiştir. Fourier Dönüşümü Kızılötesi Spektroskopisi, Termogravimetrik Termal Analiz, Alan Emisyon Taramalı Elektron Mikroskobu ve X-Işını Kırınımı metodları kalsiyum silikat biyoseramik malzemeleri karakterize etmek için kullanılmıştır. Karakterizasyon sonuçları kalsiyum silikat malzemelerinin oluşumunu doğrulamıştır.

Anahtar Kelimeler

• Kalsiyum silikat biyoseramik,Malzemeler,Hidrotermal sentez,Kalsinasyon,X ışını kırınımı

Kaynakça

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