Shape Memory Alloys and Piezoelectric Materials and Their Applications—2nd Edition

A special issue of Actuators (ISSN 2076-0825). This special issue belongs to the section "Actuator Materials".

Deadline for manuscript submissions: 10 May 2025 | Viewed by 482

Special Issue Editors


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Guest Editor
State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Interests: piezoelectric actuators and sensors; SMA; smart structures; structural dynamics; sensing and control; structural vibration control; piezoelectric energy harvesting; adaptive aerostructures
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Interests: piezoelectric sensors and actuators; smart structures; structural health monitoring; sensing and control; non-destructive testing and evaluation

Special Issue Information

Dear Colleagues,

Smart structures have been widely applied in aerospace, civil engineering, ship, automobile, water conservancy, and many other industries. The realization of intelligent functions depends on the development of sensors, actuators, controllers, etc. Shape memory alloys and piezoelectric materials are some of the most used materials in this regard, which play important roles in the applications of smart structures because of their many advantages. Much work has been conducted in both theoretical and experimental studies on shape memory alloys and piezoelectric actuators. For example, in theoretical research, the modeling of 3D shape memory alloys and the preparation of high-performance flexible piezoelectric actuators have achieved promising results. In terms of applications, shape memory alloys are used to deform aircraft structures in specific ways to optimize the aerodynamic performance of the aircraft, and piezoelectric materials are used as sensors and actuators for structural health monitoring, as well as vibration and noise control etc. To encourage further understanding and development of these two materials, this Special Issue aims to collect original and innovative papers on topics including, but not limited to, the preparation, analysis, and modeling of various types of shape memory alloys and piezoelectric actuators and their applications in smart structures. Theoretical, numerical, and experimental contributions are equally welcome.

Prof. Dr. Hongli Ji
Dr. Chao Zhang
Guest Editors

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Keywords

  • shape memory alloys
  • piezoelectric materials
  • modeling of 3D SMA
  • modeling of flexible piezoelectric intelligent structure with large deformation
  • adaptive aerostructures
  • piezoelectric energy harvesting
  • vibration and noise control
  • precision drive
  • structural health monitoring

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Published Papers (1 paper)

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Research

12 pages, 3356 KiB  
Article
The Potential of Shape Memory Alloys in Riveting Applications
by Edgar Camacho, Patrícia Freitas Rodrigues and Francisco Manuel Braz Fernandes
Actuators 2024, 13(11), 465; https://doi.org/10.3390/act13110465 - 20 Nov 2024
Viewed by 279
Abstract
This study explores the use of shape memory alloys, specifically nickel-titanium (NiTi- Ti-rich), in plate joining processes through riveting. Through the shape memory effect (SME), SMAs offer innovative solutions for joining components, mainly in the aeronautical and aerospace fields, indicating their promising applications. [...] Read more.
This study explores the use of shape memory alloys, specifically nickel-titanium (NiTi- Ti-rich), in plate joining processes through riveting. Through the shape memory effect (SME), SMAs offer innovative solutions for joining components, mainly in the aeronautical and aerospace fields, indicating their promising applications. This research presents several characterizations, including differential scanning calorimetry, compression dilatometry, X-ray diffraction using synchrotron radiation, and thermomechanical testing, to assess the feasibility and performance of shape memory alloy rivets. In addition, the samples were subjected to recrystallization heat treatment to evaluate their reusability. The results demonstrated that shape memory alloy rivets are effective, achieving a maximum load of 340 N for two joined components. However, their application is optimal for materials with yield strengths lower than the stress-induced SME. Moreover, the process enhances the joined components’ hardening and increases the rivet’s thermal hysteresis. This research confirms the viability of shape memory alloys for riveting processes, offering a new avenue for advanced joining techniques. The findings provide a foundation for their further development and application in various industries requiring precise and reliable joining methods. Full article
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