SAF MAGNEZYUMUN BİYOBOZUNUR MALZEME OLARAK KULLANILMA POTANSİYELİ

Year 2017, Volume: 6 Issue: 2, 9 - 25, 30.11.2017

Hüsnü Gerengi , Ertuğrul Kaya , Marina Cabrını

Abstract

Uzun süreli tedavi gerektirmeyen kemik travmalarında kullanılacak vida
ve diğer bağlantı elemanlarının biyobozunur özelliğe sahip magnezyum
alaşımlardan yapılması, özellikle büyüme çağındaki çocuklarda uygulanan,
metalik implantların zamanla neden olduğu olumsuz etkileri ortadan
kaldırmaktadır. Bu çalışmanın amacı; saf magnezyumun yapay vücut sıvısı (SBF)
içerisindeki korozyon mekanizmasını 30 saat süren açık devre potansiyeli
ölçümleri (OCP) ve bu esnada yapılan in-situ pH ölçümleriyle araştırmak
ve iki yöntem arasındaki korelasyonu ortaya koymaktır. Elde edilen veriler
çalışma elektrotunun yüzeyinde de zamanla oluşan Mg(OH)₂ tabakasının
korozyon hızını etkilediğini göstermektedir. 

Keywords

Mg, İmplant, Korozyon, OCP, pH

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