... Abstract This paper presents an actuator demonstrator showcasing a combination of shape memory alloy (SMA) wires and electrostatic (ES) clutches in a multi smart materials based actuator system. Shape memory alloy actuators demonstrate high energy densities and can transmit large actuation...

... Abstract Nitinol, a shape memory alloy, has shown immense promise and utility in biomedical engineering with its remarkable biocompatibility and corrosion resistance. Most biomedical applications rely on Nitinol’s superelasticity rather than its hysteretic properties, otherwise known as its...

... Abstract Shape memory alloys offer a good opportunity to replace conventional actuators, as they have a high working capacity with low space requirements and weight, a low number of (moving) components, and work quietly. However, their commercial use is not yet so widespread because the fatigue...

... Abstract This study introduces the aerodynamic forces measurements of a novel bio-inspired drone design, drawing inspiration from bat flight dynamics while using Shape Memory Alloy (SMA) micro-wires as artificial muscles. Unlike conventional drones powered by motors coupled with gears, this bio...

... Abstract Nickel-Titanium (NiTi)-based shape memory alloys (SMAs) enable new sustainable and environmentally friendly solid-state heating and cooling technologies. Elastocaloric (EC) heat pump systems exploit superelastic SMAs as a non-volatile, inflammable, and non-global-warming refrigerant...

... memory alloy high load actuators cycle behavior machine tool application Proceedings of the ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems SMASIS2023 September 11-13, 2023, Austin, Texas SMASIS2023-110991 HIGH LOAD NITI SHAPE MEMORY ALLOY ACTUATORS: A STUDY...

... Abstract Including characteristic alloy parameters in the design process of shape memory springs is crucial to enhance the performance of the resulting actuator. In contrast to conventional spring steel, shape memory alloys (SMA) show a non-linear stress-strain curve based on a thermal...

... Abstract Nickel-Titanium (NiTi)-based shape memory alloys (SMAs) enable new sustainable and environmentally friendly solid-state heating and cooling technologies. Elastocaloric (EC) heat pump systems exploit superelastic SMAs as a non-volatile, inflammable, and non-global-warming refrigerant...

... Abstract Nitinol (NiTi) shape memory alloy exhibits excellent characteristics for use in biomedical engineering. The material has excellent biocompatibility, corrosion resistance, and wear characteristics, which has increased its use in biomedical applications, including stents and guidewires...

... Abstract Shape memory alloys (SMA) are a lightweight and compact option for actuators because of their high energy density capacity and allowing the system weight to be reduced by a fraction of conventional actuators. An SMA processed into wire with a narrow hysteresis and great...

... shape memory alloy (Fe-SMA), which has outstanding superelasticity and consistent superplastic behavior across a wider temperature range, can provide a valuable counterpart for NiTi SMA. However, the viability and impact of manufacturing processing factors on Fe-SMA alloy are not well understood...

... Abstract Shape memory alloys (SMAs) are an attractive technology in actuators and sensors because of their versatile geometry, low weight, high energy density, and low cost. The design of an SMA actuator system is generally tuned to the desired application criteria during development. Due...

... for these mappings, varying in how stiffness is distributed throughout the arm, as well the linearity and/or hystersis of the actuator torques. We demonstrate how to calibrate each model from experimental data in a soft arm powered by shape memory alloy (SMA) wires that contract via Joule heating. Then, we perform...

... be a strategy to overcome the limitations of existing soft actuator studies. shape memory alloy auxetics soft actuator Proceedings of the ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems SMASIS2023 September 11-13, 2023, Austin, Texas SMASIS2023-111012 SOFT...

... Abstract This work deals with the development of a descriptive and interactive demonstrator platform with a total of four different shape memory alloy (SMA) actuator systems. The motivation for this demonstrator development is to illustrate this new special decoupled antagonist system...

... material handling tasks. SMA shape memory alloy continuum robot endoscope Bowden cable actuator soft robotics Proceedings of the ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems SMASIS2023 September 11-13, 2023, Austin, Texas SMASIS2023-111253 Comparative...

... applications. The electronics can use the electrical resistance of the SMA wire bundles to track actuator position and provides different communication standards like LIN Bus for automotive applications. SMA shape memory alloy antagonistic actuator bundles rotary motor Proceedings of the ASME...

... Abstract Shape memory alloys (SMAs) are an attractive technology in actuators and sensors because of their versatile geometry, low weight, high energy density, and low cost. Recent scientific research found that a switchable stiffness of an implant for bone fracture treatment with individual...

... ABSTRACT Copper-based shape memory alloys (Cu-SMA) are known for their high transition temperatures and therefore their potential for actuation applications in environments with higher temperatures than tolerable for binary NiTi. Due to the higher transition temperatures of Cu-SMA cooling rates are higher...

... Abstract Shape memory alloys (SMA) are often used to drive actuators, whereby SMA have a very specific fatigue behavior, which influences the lifetime of these actuators. The optimization of the actuator’s lifetime is an important topic to make these innovative actuators more interesting...