Liquid Metal Core–Shell 3D Printing DOI Open Access
Daniel C. Ames, Nathan Lazarus, J. Howard Mueller

и другие.

Advanced Engineering Materials, Год журнала: 2025, Номер unknown

Опубликована: Март 17, 2025

Alloys such as eutectic gallium indium (EGaIn) remain liquid at room temperature, enabling extensive, repeated deformations without structural damage, making them ideal electrical conductors for soft robotics and wearable devices. However, their nature presents significant fabrication challenges, often mitigated by encasing in flexible rubber sheaths. Extrusion‐based 3D printing offers a rapid integrated method, but rheological differences between the metal (LM) core shell lead to nonuniform shells constrained core‐to‐shell ratios, which are crucial optimizing functional properties like thermal conductivity. This study systematically investigates printhead design process parameters establish generalizable framework LM core–shell printing. Key parameters, including nozzle diameters, flow rates, material viscosity, modulated achieve uniform structures. Precise control of these enables core‐to‐total area ratios up 0.37, nearly 50% increase over current state art comparable commercial power communication cables. The successfully printed features include overhangs, turns, layers, demonstrating complexity akin conventional extrusion while maintaining high

Язык: Английский

Liquid Metal Core–Shell 3D Printing DOI Open Access
Daniel C. Ames, Nathan Lazarus, J. Howard Mueller

и другие.

Advanced Engineering Materials, Год журнала: 2025, Номер unknown

Опубликована: Март 17, 2025

Alloys such as eutectic gallium indium (EGaIn) remain liquid at room temperature, enabling extensive, repeated deformations without structural damage, making them ideal electrical conductors for soft robotics and wearable devices. However, their nature presents significant fabrication challenges, often mitigated by encasing in flexible rubber sheaths. Extrusion‐based 3D printing offers a rapid integrated method, but rheological differences between the metal (LM) core shell lead to nonuniform shells constrained core‐to‐shell ratios, which are crucial optimizing functional properties like thermal conductivity. This study systematically investigates printhead design process parameters establish generalizable framework LM core–shell printing. Key parameters, including nozzle diameters, flow rates, material viscosity, modulated achieve uniform structures. Precise control of these enables core‐to‐total area ratios up 0.37, nearly 50% increase over current state art comparable commercial power communication cables. The successfully printed features include overhangs, turns, layers, demonstrating complexity akin conventional extrusion while maintaining high

Язык: Английский

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