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Updated: Oct 1, 2025

Multiscale Structures Aggregated by Imprinted Nanofibers for Functional Surfaces

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Published on: September 11, 2018

Tunable and Robust Nanostructuring for Multifunctional Metal Additively Manufactured Interfaces.

Jin Yao Ho^1,2, Kazi Fazle Rabbi¹, Siavash Khodakarami¹

¹Department of Mechanical Science and Engineering, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States.

|March 4, 2022

Summary

This summary is machine-generated.

Researchers optimized metal additive manufacturing (AM) surfaces to create novel micro-/nanostructures. These tailored surfaces reduce water droplet adhesion and icing, enhancing performance for various applications.

Keywords:

additive manufacturing adhesion condensation icing nanostructuring surface engineering wettability

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Area of Science:

Materials Science
Surface Engineering
Additive Manufacturing

Background:

Metal additive manufacturing (AM) enables novel micro-/nanostructures due to unique processing phenomena and diverse alloys.
Tailoring AM surface morphology and chemistry is crucial for advanced applications.
Understanding grain formation mechanisms in AM is key to surface engineering.

Purpose of the Study:

To develop a facile method for tuning micro-/nanostructures on AM surfaces.
To optimize surface morphology for low surface adhesion applications.
To explore potential applications in water droplet adhesion, icing delay, and heat transfer.

Main Methods:

Utilized understanding of grain formation mechanisms during AM.
Developed a method for tuning micro-/nanostructures of a common AM alloy.
Optimized surface morphology for specific functional requirements.

Main Results:

Demonstrated reduced adhesion of water droplets on optimized AM surfaces.
Significantly delayed icing time on functionalized AM surfaces.
Achieved enhanced heat transfer performance for jumping-droplet condensation compared to conventional alloys.

Conclusions:

Optimized AM surfaces offer tunable properties for reduced adhesion and improved heat transfer.
The developed strategy provides guidelines for surface structuring applicable to other AM metals.
Functionalized AM surfaces present significant potential for diverse engineering applications.