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Biomimetic Functional Fluorinated Oxygen-Containing Coatings on 3D-Printing Composite Polymer Items
Georgy Rytikov1, Fedor Doronin1, Andrey Evdokimov1
1Faculty of Printing Industry, Moscow Polytechnic University, 107023 Moscow, Russia.
Polymers
|September 27, 2025
Summary
3D-printed prototypes achieved eight times less wear using biomimetic designs and material modifications. Surface treatments further reduced friction and temperature, enhancing wear resistance for 3D printed parts.
Area of Science:
- Materials Science
- Biomimetics
- Additive Manufacturing
Background:
- Wear resistance is crucial for 3D-printed components.
- Biomimetic approaches offer novel solutions for material enhancement.
Purpose of the Study:
- To enhance the wear resistance of 3D-printed prototypes.
- To investigate biomimetic design inspired by shark skin.
- To evaluate the impact of material modification and surface treatment.
Main Methods:
- Utilized biomimetic design principles, referencing shark skin.
- Optimized 3D-printing technological parameters.
- Modified the polymer matrix (PETG filament) with additives like montmorillonite and graphite nano-plates.
- Applied gas-phase fluorination for surface modification.
Main Results:
- Bulk modification reduced wear by up to eight times.
- Gas-phase fluorination decreased friction coefficient and contact temperature.
- Quantified surface texture similarity to shark skin.
Conclusions:
- A combination of biomimetic design, material modification, and surface treatment significantly improves wear resistance in 3D-printed parts.
- The developed methods offer a pathway to create durable, high-performance 3D-printed components.
- Shark skin's structure serves as an effective model for enhancing material properties.
