Human internal actuators using bending and twisting deformation of a soft heat storage material driven by ultrasonic heating of shape memory alloy wires

Key Points

• This actuator system demonstrates significant bending and twisting capabilities under ultrasonic heating.
• The shape memory alloy wires enable precise control of movement in soft materials, allowing for 3D deformation.
• Observational analysis highlights the unique interactions between soft materials and ultrasonic heating techniques.
• Further exploration is needed for real-world applications of this technology in flexible devices.