![]() ![]() “The runny alloy was impossible to layer into tall structures. With the paste-like texture, it can be layered while maintaining its capacity to flow, and to stretch inside of rubber tubes,” explained Yiğit Mengüç, Assistant Professor of Mechanical Engineering. The combination then thickened into a 3D printable paste. The researchers used this modification to mix nickel nanoparticles and oxidized gallium into galinstan, a liquid metal alloy previously used to make 3D printed wearable temperature sensors. But its printability had previously been restricted to 2D only, until the OSU team, from the engineering college’s Collaborative Robotics and Intelligent Systems Institute (CoRIS), developed a modification that used sound energy, or sonication. Inexpensive gallium alloys are already used to conduct electricity in flexible electronics, thanks to their low toxicity and self-healing capabilities. The ultimate goal is to 3D print tall, complex structures using a conductive gallium alloy. But in reality, 3D printed liquid metal can be used to develop innovations that are far better for humanity than a nearly indestructible robotic killing machine, such as custom cars and functional electronics.Ī team of researchers from Oregon State University’s College of Engineering is now using a modified, 3D printable liquid metal to take the next step toward rapid manufacturing of stretchable electronic devices, like flexible computer screens and soft robots. Whenever I hear about liquid metal, I will always picture the T-1000 from Terminator 2 first. ![]()
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