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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
general
Evolution of Iron-Based Metallic Glass Composite Coating with Enhanced Corrosion Resistance and Biocompatibility
Arabian Journal for Science and Engineering, Year 2023
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Description
Metallic glasses are a new class of metallic alloys that attract increasing attention in bone implants due to their ultrahigh wear resistance and hardness, high toughness and superior strength. However, their cytotoxicity and biocorrosion resistance are still under investigation. In this research, the cytotoxicity and biocorrosion resistance of iron-based metallic glass composite coating are explored. To approach real-life conditions, the biocorrosion resistance of the proposed coating in phosphate buffer saline (PBS) is evaluated via immersion test for 30 days followed by an electrochemical corrosion test. Then, human bone cells (MG-63) are cultured on corroded samples and the cell viability is determined using MTT assay, in addition to cell attachment examination. The results revealed the formation of a metallic glass composite layer with 78.76% amorphous content. Additionally, the metallic glass composite demonstrated excellent and stable corrosion resistance in PBS over 30 days compared to the substrate. The MTT assay has shown that the cytotoxicity of iron-based metallic glass composite is within the permitted levels according to ISO 10993–5, Part 5 vol 2009. The cells were well attached to the surface besides, showing a healthy growth after 7 days of culture. These results confirm the in vitro biocompatibility of iron-based metallic glass composite coating for biomedical implant applications. © 2023, King Fahd University of Petroleum & Minerals.
Authors & Co-Authors
Ibrahim, Mahmoud Z.
Egypt, Cairo
Ain Shams University
Malaysia, Kuala Lumpur
Universiti Malaya
Sarhan, Ahmed A.D.
Saudi Arabia, Dhahran
King Fahd University of Petroleum and Minerals
Kuo, Tsungyuan
Taiwan, Tainan
Southern Taiwan University of Science and Technology
Yusof, Farazila Binti
Malaysia, Kuala Lumpur
Universiti Malaya
Shukor, Mohd Hamdi Abd A.
Malaysia, Kuala Lumpur
Universiti Malaya
Lee, Tzer Ming
Taiwan, Tainan
National Cheng Kung University
Chien, Chisheng
Taiwan, Tainan
Chi Mei Foundation Hospital
Statistics
Authors: 7
Affiliations: 7
Identifiers
Doi:
10.1007/s13369-023-08406-3
ISSN:
2193567X