Researchers at Ulsan National Institute of Science & Technology (UNIST) in South Korea have developed a revolutionary new material that combines the softness of skin with the strength of steel. The innovative magnetic composite artificial muscle can adapt its stiffness and respond to magnetic fields, making it ideal for applications in soft robotics, wearable technology, and medical devices.
The researchers used two key materials: ferromagnetic particles and shape memory polymers. The ferromagnetic particles allow for remote control via magnetic fields, while the shape memory polymers change shape in response to specific stimuli and then return to their original shape. By combining these materials, the team created a new type of artificial muscle that is both strong and flexible.
The resulting material can withstand loads comparable to those of automobiles and has a stiffness 2,700 times greater than traditional materials. This makes it an ideal candidate for applications where strength and precision are crucial. The researchers also incorporated a vibration-damping hydrogel layer into the material, which reduces vibrations even at high speeds.
This breakthrough technology could have significant implications for various industries, including robotics, wearables, and medical devices. With its advanced mechanical properties and performance, this new artificial muscle is poised to overcome the limitations of existing materials. The study was published in the journal Nature Communications.
Source: https://interestingengineering.com/innovation/powerful-magnetic-muscles-robot