ArticleJournal of functional biomaterials2025
The Influence of Ca on Mechanical Properties of the Mg-Ca-Zn-RE-Zr Alloy for Orthopedic Applications.
Article in Journal of functional biomaterials, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Overcoming the Biomechanical Limitations of Titanium-Zirconia Dental Implants: Rationale for a Novel Ti-PEEK-Zr Tri-Layered Concept.Journal of functional biomaterials · 2026Review
- Characterization of Multilayer Structure-Graded Dental Zirconias.Bioengineering (Basel, Switzerland) · 2026Article
- Antibacterial Activity of a Trace-Cu-Modified Mg Alloy in Simulated Intestinal Fluid.Journal of functional biomaterials · 2025Article
- Microstructural Study of Some Mg-Ca-Sr Based Alloys with Medical Applicability.Current health sciences journalArticle
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Authors and funding
10 authors.
Funding
Abstract
backgroundThis study examined how the concentration of calcium (Ca) influences the microstructure, mechanical characteristics, and tribological attributes of Mg-Ca-Zn-RE-Zr alloys for orthopedic medicine. MATERIALS AND
methodsExperimental alloys with 0.1 and 0.5 wt% Ca were prepared in a controlled atmosphere induction furnace. The microstructure of the alloys was investigated by scanning electron microscopy, the chemical composition by X-ray fluorescence and energy-dispersive spectroscopy, the mechanical properties by indentation and scratching, and the corrosion resistance by linear and cyclic potentiometry.
resultsThe alloy with 0.1% Ca exhibited greater fluctuations in the coefficient of friction, while the sample with 0.5% Ca showed a higher susceptibility to cracking. Regarding corrosion resistance, both samples exhibited a generalized corrosion trend with similar corrosion currents. At lower Ca concentrations (0.1%), the refined microstructure of the alloys provided an elastic modulus closer to that of human bone, minimizing the risk of excessive local stress and promoting uniform load distribution at the bone-implant interface.
conclusionThe 0.5% Ca alloy offered superior tribological stability and better shock absorption, making it suitable for applications requiring long-term stability. The study highlighted the potential of both compositions based on the specific requirements of biodegradable orthopedic implants.
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