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Keywords: shape memory alloys
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Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T02A007, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-111248
... Abaqus shape memory alloys FEA explicit dynamic model phase transformation golf Abstract Many scientific developments pioneered by governmental research organizations are subsequently applied to consumer products. The use of shape memory alloys (SMAs) by NASA at the end of the 20th...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A003, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-110416
... shape memory alloys wire actuators industrial gripper Bowden cable actuators Abstract Given the increasing requirements for enhanced performance, accuracy, space efficiency and complexity in industry, there is a need for robots and industrial grippers to become faster, lighter...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T06A013, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-111702
... soft robotics smart materials shape memory alloys compliant mechanisms 3D printing Abstract Underwater robot tasks pose many challenges for conventional robotic systems. The current rigid robots are limited in their adaptability to the environment and the objects to be manipulated...
Proceedings Papers

Proc. ASME. SMASIS2023, ASME 2023 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T02A005, September 11–13, 2023
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2023-111143
... homogenization weighted averaging phase-field modeling shape memory alloys Abstract As a unique subclass of multi-functional and smart materials, iron-based shape memory alloys have gained tremendous attention in recent years by virtue of their promising pseudoelastic properties...
Proceedings Papers

Proc. ASME. SMASIS2022, ASME 2022 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A001, September 12–14, 2022
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2022-90364
... shape memory alloys spring actuator Proceedings of the ASME 2022 Conference on Smart Materials, Adaptive Structures and Intelligent Systems SMASIS2022 September 12-14, 2022, Dearborn, MI SMASIS2022-90364 DEVELOPMENT OF DESIGN PRINCIPLES FOR SMA WAVE SPRINGS Kenny Pagel Fraunhofer Institute...
Proceedings Papers

Proc. ASME. SMASIS2022, ASME 2022 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A006, September 12–14, 2022
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2022-90586
... shape memory alloys wire actuators integrated actuators crimp technology crimp connection Abstract Shape Memory Alloys (SMA) are thermosensitive materials that can change their geometry when a certain temperature is reached. Compared to conventional drives SMA based actuator systems...
Proceedings Papers

Proc. ASME. SMASIS2022, ASME 2022 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T08A004, September 12–14, 2022
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2022-90779
... shape memory alloys active knits soft robotics medical devices Abstract Advancements in the design of knitted Shape Memory Alloy (SMA) actuators have produced highly functional and easy-to-wear advanced textiles with variable fit/stiffness properties. Annealing SMA at high temperatures...
Proceedings Papers

Proc. ASME. SMASIS2021, ASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T01A005, September 14–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2021-67651
... is proposed. The model incorporates the mechanics of shape memory alloy (SMA) behavior in a folding C3M design. The combined application of pseudo-rigid body modeling and SMAs allows for the prediction of large recoverable deformations through superelasticity. In previous work, a segmented pseudo-rigid body...
Proceedings Papers

Proc. ASME. SMASIS2021, ASME 2021 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T05A016, September 14–15, 2021
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2021-68259
... Abstract Shape Memory Alloy (SMA) based actuator systems provide many advantages compared to conventional actuators and have already successfully established themselves on the market in various applications. The state of the art shows a large number of SMA applications in the field of joining...
Proceedings Papers

Proc. ASME. SMASIS2020, ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T03A013, September 15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2020-2396
...A PHENOMENOLOGICAL MODEL FOR SHAPE MEMORY ALLOYS WITH UNIFORMLY DISTRIBUTED POROSITY Wael Zaki Department of Mechanical Engineering Khalifa University P.O. Box 127788 Abu Dhabi, UAE Email: wael.zaki@ku.ac.ae NV Viet Department of Mechanical Engineering Khalifa University P.O. Box 127788 Abu Dhabi...
Proceedings Papers

Proc. ASME. SMASIS2020, ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A012, September 15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2020-2255
... training rehabilitation pseudoelasticity shape memory alloys Abstract The generation and variation of forces necessary to achieve a training stimulus is often realized in sports and rehabilitation equipment by manually adjustable masses or by complex motor-brake systems. This leads...
Proceedings Papers

Proc. ASME. SMASIS2020, ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T04A016, September 15, 2020
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2020-2280
... shape memory alloys SMA end-effector SMA vacuum gripper SMA-brake material handling Abstract In this paper, a shape memory alloy (SMA) based handling system is presented. The gripping system consists of two different actuator systems based on SMA wires. The first one...
Proceedings Papers

Proc. ASME. SMASIS2019, ASME 2019 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, V001T08A006, September 9–11, 2019
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2019-5661
... to impact or variable air permeability. Active textiles are traditional textile structures that integrate smart materials, such as shape memory alloys, shape memory polymers, or carbon nanotubes, to enable spatial actuation behavior, such as contraction for on-body compression or corrugation for haptic...
Proceedings Papers

Proc. ASME. SMASIS2013, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T02A012, September 16–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2013-3183
... The effect of precipitation on the thermo-mechanical properties of Ni-rich near-equiatomic NiTi Shape Memory Alloys (SMAs) is investigated via the finite element method. The thermo-mechanical response is simulated using a Representative Volume Element (RVE), which takes into account...
Proceedings Papers

Proc. ASME. SMASIS2013, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T02A014, September 16–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2013-3187
... In this work, the effect of thermo-mechanically-induced global phase transformation (actuation) on the crack driving force in Shape Memory Alloys (SMAs) is investigated by means of the finite element method. The prototype problem of an infinite center-cracked SMA plate is analyzed during...
Proceedings Papers

Proc. ASME. SMASIS2013, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T02A024, September 16–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2013-3337
... Shape memory alloy (SMA) actuator wires promise substantial size, weight, and potential cost advantages over their solenoid and electric motor counterparts. Designing actuators which fully realize these advantages is hampered by a limited understanding of how interactions between wires...
Proceedings Papers

Proc. ASME. SMASIS2013, Volume 2: Mechanics and Behavior of Active Materials; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting, V002T02A016, September 16–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2013-3200
... Shape Memory Alloy (SMA) composites are being increasingly investigated to address a variety of engineering problems. An application of growing interest is an SMA-MAX phase ceramic composite for use in extreme environments. By joining these two constituents, it is intended that the martensitic...
Proceedings Papers

Proc. ASME. SMASIS2012, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 69-77, September 19–21, 2012
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2012-7969
... A new hybrid shape memory alloy (SMA)-ceramic composite is being developed for use in extreme environments. The proposed composition is intended to address past issues with brittle failure in the ceramic phase by generating a compressive residual stress state in that phase. This biasing load...
Proceedings Papers

Proc. ASME. SMASIS2012, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 1-7, September 19–21, 2012
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2012-7912
... A finite-element analysis of stable crack growth in superelastic Shape Memory Alloys (SMAs) is carried out for plane strain, mode I loading. The small-scale transformation assumption is employed in the calculations using displacement boundary conditions on a circular region that encloses...
Proceedings Papers

Proc. ASME. SMASIS2012, Volume 2: Mechanics and Behavior of Active Materials; Integrated System Design and Implementation; Bio-Inspired Materials and Systems; Energy Harvesting, 237-248, September 19–21, 2012
Publisher: American Society of Mechanical Engineers
Paper No: SMASIS2012-8188
... In this work, the influence of the latent heat of transformation and heat transfer on the performance of shape memory alloy (SMA) actuators is numerically explored. A 1D analytical model is first considered and used to perform parametric studies on the effects of geometry and heat transfer...