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Processing of Bulk Nanocrystalline Metals at the US Army Research Laboratory
Published on: March 7, 2018
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Recent Progress on Nanocrystalline Metallic Materials for Biomedical Applications.
Huafang Li1, Pengyu Wang1, Cuie Wen2
1School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
Nanomaterials (Basel, Switzerland)
|June 24, 2022
Summary
Nanocrystalline metallic materials offer superior mechanical properties, corrosion resistance, and biocompatibility for biomedical uses. This review highlights their potential and future research directions in medicine.
Area of Science:
- Biomaterials Science
- Materials Engineering
- Nanotechnology
Background:
- Nanocrystalline (NC) metallic materials exhibit enhanced properties over coarse-grained (CG) counterparts.
- NC metallic materials are increasingly investigated for biomedical applications due to their improved characteristics.
Purpose of the Study:
- To review the mechanical properties, corrosion behavior, biocompatibility, and clinical applications of various NC metallic materials.
- To outline future research directions for NC metallic materials in the biomedical field.
Main Methods:
- Literature review summarizing existing research on NC metallic materials.
- Analysis of properties of NC materials including Ti and Ti alloys, shape memory alloys (SMAs), stainless steels (SS), and biodegradable Fe and Mg alloys.
- Discussion of fabrication techniques such as high-pressure torsion and equiangular extrusion.
Main Results:
- NC metallic materials demonstrate superior mechanical strength, enhanced corrosion resistance, and improved biocompatibility.
- Specific NC materials like Ti alloys, SMAs, SS, Fe, and Mg alloys show promise for biomedical applications.
- Nanostructure is identified as the key factor for these enhanced properties.
Conclusions:
- NC metallic materials possess significant advantages for biomedical applications.
- Further research is warranted to fully explore and optimize NC metallic materials for clinical use.
- This review provides a comprehensive reference for advancing NC metallic materials in biomedicine.
