Csaba BALASZI
Dr. Csaba Balázsi is Scientific Advisor of the HUN-REN Centre for Energy Research, Centre of Excellence of Hungarian Academy of Sciences. He obtained MSc degree in Materials Science and Metallurgical Engineering from Transilvania University of Brasov, Romania. He received PhD in Materials Science from University of Miskolc, Hungary in 2000. He was a visiting scientist at Tokyo Institute of Technology, Japan in 2001, University of Limerick, Ireland and Istanbul Technical University, Turkey in 2003.
He is President of Fine Ceramics section of the Hungarian Scientific Society of Silicate Industry (SZTE) and Representative of SZTE in International Ceramic Federation (ICF), Member of Council Board and Industrial Working Group Leader – European Ceramic Society (ECerS), Member of the American Ceramic Society (ACerS) since 2004, Member in European Materials Research Society (EMRS), Bolyai Engineering Science Committee Evaluation (HAS). He served as Board Member of the Hungarian Society of Materials Science (MAE), Executive Committee Member of Federation of European Materials Societies (FEMS), Member of PEC (ECerS) and Steering Committee Member of Energy Materials Industry Research Innitiative (EMIRI), Brussels.
He organized several international conferences, was acting as chair of CMCEE14, 2024 (Budapest), ECERS2017 (Budapest), FEMS Junior EUROMAT2018 (Budapest), symposium co-organizer in ICACC (ACerS) Daytona Beach, USA, EMRS Fall Meeting Symposia (Warsaw) with topics on ceramics based nanocomposites and co-chair of WoCeram2019 (JECS Trust, Budapest). He holds several awards, fellowships: Bolyai Plaqett (HAS), Fellow of the European Ceramic Society (ECerS), Gabor Dennis award (Novofer Foundation), ACerS Global Amassador (ACerS), Fellow of the American Ceramic Society (ACerS) and he is Academician of the World Academy of Ceramics.
Abstract
Ceramic biomaterials: from traditional technologies to novel applications
Csaba Balázsi, Katalin Balazsi
HUN-REN Centre for Energy Research, 1121 Budapest, Konkoly-Thege M. str. 29-33, Hungary, email: balazsi.csaba@ek.hun-ren.hu
The 400 000 artificial hip joint operations made every year in the word and there are 25 000 000 people with a total hip replacement. The wear and risk of the implant loosening increases so that after 10 years 10-20% of the implants have to be renewed. Biomaterials used for implant should possess some important properties in order to long-term usage in the body without rejection. The biocompatibility, mechanical, chemical and surface properties play a key role in the creation of sufficient and long term functional replacements. New fundamental research outcomes with industrial perspectives are given for understanding the applications of ceramics in load-bearing and low-load-bearing bioimplants with directions for future developments. Nowadays, Si3N4 is a new bioceramic with extremely good mechanical properties. Hydroxyapatite (HA) is a widely used bioceramic in implantology considering its high bioactivity. A bioactive coating (HA) on the bioinert ceramic implant’s surface (Si3N4) could help avoid the rejection from the body in the critical early few days after the operation. The preparation of bioceramics will be showed from traditional technologies to novel applications. The main trends and fundamental scientific problems will be discussed.
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