- Materials Science, general 10
- Metallic Materials 8
- Characterization and Evaluation of Materials 7
- Nanotechnology 6
- Engineering, general 5
- Structural Materials 5
- Surfaces and Interfaces, Thin Films 5
- Physics, general 3
- Tribology, Corrosion and Coatings 3
- Astronomy, Observations and Techniques 2
- Astrophysics and Astroparticles 2
- Classical Mechanics 2
- Crystallography and Scattering Methods 2
- Inorganic Chemistry 2
- Plant Biochemistry 2
- Polymer Sciences 2
- Solid Mechanics 2
- Applied and Technical Physics 1
- Atmospheric Protection/Air Quality Control/Air Pollution 1
- Behavioral Sciences 1