Journal
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
Volume 10, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fbioe.2022.996195
Keywords
titanium-magnesium composite; degradation; implant; mechanical property; galvanic; corrosion
Funding
- Key Research Project from Shenyang Science and Technology Funded Project [22-1010-16, 19-109-1-03]
- Science and Technology Project of Liaoning Province [2018020205-101]
- Key Research and Development Projects of Liaoning Province [2020020184-JH2/103]
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Titanium-magnesium composites have gained attention for their bioactivity and mechanical properties, suitable for bioimplants. Three methods for preparing titanium-magnesium composites were discussed, along with evaluations of their mechanical properties and degradation behavior. This review summarizes the potential applications and future developments of titanium-magnesium composites.
Titanium-magnesium composites have gained increasing attention as a partially degradable biomaterial recently. The titanium-magnesium composite combines the bioactivity of magnesium and the good mechanical properties of titanium. Here, we discuss the limitations of conventional mechanically alloyed titanium-magnesium alloys for bioimplants, in addition we summarize three suitable methods for the preparation of titanium-magnesium composites for bioimplants by melt: infiltration casting, powder metallurgy and hot rotary swaging, with a description of the advantages and disadvantages of all three methods. The titanium-magnesium composites were comprehensively evaluated in terms of mechanical properties and degradation behavior. The feasibility of titanium-magnesium composites as bio-implants was reviewed. In addition, the possible future development of titanium-magnesium composites was discussed. Thus, this review aims to build a conceptual and practical toolkit for the design of titanium-magnesium composites capable of local biodegradation.
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