Meena, Lokesh Kumar, Singh, Arvind Kumar, Malik, Anup and Bisla, Nidhi (2025) Manufacturing methods & characteristic analysis of zinc & its alloys for biomedical applications: A review. Journal of Alloys and Compounds Communications, 6: 100068. ISSN 2950-2845
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Abstract
Zinc is an acceptable biomedical implant in biodegradable metals with moderate degradation properties compared to iron (Fe) and magnesium (Mg). Recent studies show the need to optimize mechanical strength and biocompatibility. This review paper discusses the mechanical properties, biodegradability, and biocompatibility of pure zinc and zinc-based alloys fabricated by different techniques. Pure zinc exhibits deficient mechanical strength, which needs to be improved. This review paper talks about the effects of various alloying methods such as powder metallurgy, additive manufacturing, casting, and post-thermomechanical processes like extrusion and rolling on microstructure, grain size, tensile strength, ductility (elongation to failure), compressive strength, and hardness. For each fabrication technique, various alloys are considered for detailed analysis. Further, this review paper discusses in vitro and in vivo biocorrosion and biocompatibility analyses. The zinc-based biodegradable alloys show intermediate corrosion potential that’s why they degrade slowly compared to Mg and faster than Fe. This moderate corrosion rate makes them a more suitable metallic implant material among degradable metals. Zn²⁺ release is controlled by biological processes during breakdown. Excessive Zn²⁺ release can be a problem in the case of zinc-based biodegradable alloys. However, in the case of zinc-based biodegradable alloys, there is no harmful hydrogen gas evolution. In the last, we concluded the effects of processing techniques and alloying elements of zinc-based biodegradable alloys. To encourage the further investigation of zinc alloys as potential materials for biodegradable implants, this detailed assessment of zinc's characteristics addresses both the mechanical and biological performance of the metal. This review paper will better explain research gaps and future scope for further improvements in zinc-based biodegradable alloy systems.
Item Type: | Article |
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Keywords: | Zinc-based biodegradable metals | Biomaterial | Biocompatibility | Corrosion behavior | Fabrication techniques |
Subjects: | Physical, Life and Health Sciences > Materials Science Physical, Life and Health Sciences > Medicine Physical, Life and Health Sciences > Engineering and Technology Social Sciences and humanities > Social Sciences > Social Sciences (General) |
JGU School/Centre: | Jindal Global Business School |
Depositing User: | Dharmveer Modi |
Date Deposited: | 18 Mar 2025 11:32 |
Last Modified: | 18 Mar 2025 11:32 |
Official URL: | https://doi.org/10.1016/j.jacomc.2025.100068 |
URI: | https://pure.jgu.edu.in/id/eprint/9252 |
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