- Metallic Materials 9
- Materials Science, general 7
- Biochemistry, general 5
- Characterization and Evaluation of Materials 5
- Tribology, Corrosion and Coatings 5
- Cell Biology 4
- Ceramics, Glass, Composites, Natural Materials 4
- Surfaces and Interfaces, Thin Films 4
- Physical Chemistry 3
- Applied and Technical Physics 2
- Biomedicine, general 2
- Cardiology 2
- Engineering, general 2
- Immunology 2
- Internal Medicine 2
- Life Sciences, general 2
- Manufacturing, Machines, Tools, Processes 2
- Materials Engineering 2
- Medicine/Public Health, general 2
- Microbiology 2