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Smart Materials and Structures for Aerospace Sensing Systems and Applications
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Smart Materials and Structures for Aerospace Sensing Systems and Applications

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Sensor Materials".

Deadline for manuscript submissions: closed (20 March 2024) | Viewed by 8792

Special Issue Editors

Dr. Wenjie Wang

E-Mail Website
Guest Editor
School of Aerospace Engineering, Beijing Institute of Technology, Beijing 100081, China
Interests: smart materials; acoustic transducer; active control; fluid and acoustic engineering
Prof. Dr. Zhenbo Lu

E-Mail Website
Guest Editor
School of Aeronautics and Astronautics, Sun Yat-Sen University, Shenzhen 518107, China
Interests: acoustic metamaterials/metasurface; aerodynamics; aeroacoustics; smart bionic design and machine learning
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Materials play an important part in defining the function of the structures that they are used for making. Nowadays, the entire world is moving towards automation and artificial intelligence (AI); therefore, it becomes necessary for the structures that are made to be intelligent and smart in order to adapt to their surroundings, increasing the efficiency and reducing the complexity of the design. Thus, there is a need to develop smart materials and structures for aerospace application which can sufficiently meet the demands of this expanding industry. Smart materials such as shape memory alloys (SMAs), piezoelectric materials, magnetostrictive materials, carbon Fiber-reinforced polymers (CFRPs), Shape memory polymers (SMPs), etc. are the materials that comprise the backbone of the latest aerospace applications. Developing materials and their corresponding structures that can be used for morphing applications is of strategic and economic importance for both civil and military applications. Specifically, for morphing applications, the element of the material should be one that can possess variable stiffness and allow the shape change to be a reversible process in real aerospace applications. This Special Issue covers these topics and focuses on different types of smart materials and structures that are used in the field of aerospace.

Dr. Wenjie Wang
Prof. Dr. Zhenbo Lu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • smart materials
  • smart structures
  • shape memory alloys
  • piezoelectric materials
  • magnetostrictive material
  • carbon fiber-reinforced polymer
  • shape memory polymer
  • morphing
  • aerospace
  • variable stiffness
  • variable shape

Published Papers (2 papers)

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Research

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19 pages, 19616 KiB  
Article
Design and Optimization of High-Power and Low-Frequency Broadband Transducer with Giant Magnetostrictive Material
by Long Yang, Wenjie Wang, Xu Zhao, Haojun Li and Yue Xiang
Sensors 2023, 23(1), 108; https://doi.org/10.3390/s23010108 - 22 Dec 2022
Cited by 1 | Viewed by 1956
Abstract
The applications of sensors in the aerospace industry are mostly concentrated in the middle and high frequencies, and low-frequency sensors often face the problems of low power and short working bandwidth. A lightweight, thin, high-power, low-frequency broadband transducer based on giant magnetostrictive material [...] Read more.
The applications of sensors in the aerospace industry are mostly concentrated in the middle and high frequencies, and low-frequency sensors often face the problems of low power and short working bandwidth. A lightweight, thin, high-power, low-frequency broadband transducer based on giant magnetostrictive material is designed. The design and optimization processes of the core components are introduced and analyzed emphatically. The finite element simulation results are validated by the PSV-100 laser vibration meter. Three basic configurations of the work panel are proposed, and the optimal configuration is determined by modal, acoustic, and vibration coupling analyses. Compared with the original configuration, it is found that the lowest resonant frequency of the optimal configuration is reduced by 24.6% and the highest resonant frequency within 2000 Hz is 1744.9 Hz, which is 54.2% higher than that of the original configuration. This greatly improves the vibration power and operating frequency range of the transducer. Then, the honeycomb structure is innovatively applied to the work panel, and it is verified that the honeycomb structure has a great effect on the vibration performance of the work panel. By optimizing the size of the honeycomb structure, it is determined that the honeycomb structure can improve the vibration power of the work panel to its maximum value when the distance between the half-opposite sides of the hexagon is H = 3.5 mm. It can reduce the resonant frequency of the work panel; the lowest resonant frequency is reduced by 12.8%. At the same time, the application of a honeycomb panel structure can reduce the weight of the transducer. Full article
(This article belongs to the Special Issue Smart Materials and Structures for Aerospace Sensing Systems and Applications)
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Review

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28 pages, 2178 KiB  
Review
Development and Prospect of Smart Materials and Structures for Aerospace Sensing Systems and Applications
by Wenjie Wang, Yue Xiang, Jingfeng Yu and Long Yang
Sensors 2023, 23(3), 1545; https://doi.org/10.3390/s23031545 - 31 Jan 2023
Cited by 20 | Viewed by 5968
Abstract
The rapid development of the aviation industry has put forward higher and higher requirements for material properties, and the research on smart material structure has also received widespread attention. Smart materials (e.g., piezoelectric materials, shape memory materials, and giant magnetostrictive materials) have unique [...] Read more.
The rapid development of the aviation industry has put forward higher and higher requirements for material properties, and the research on smart material structure has also received widespread attention. Smart materials (e.g., piezoelectric materials, shape memory materials, and giant magnetostrictive materials) have unique physical properties and excellent integration properties, and they perform well as sensors or actuators in the aviation industry, providing a solid material foundation for various intelligent applications in the aviation industry. As a popular smart material, piezoelectric materials have a large number of application research in structural health monitoring, energy harvest, vibration and noise control, damage control, and other fields. As a unique material with deformation ability, shape memory materials have their own outstanding performance in the field of shape control, low-shock release, vibration control, and impact absorption. At the same time, as a material to assist other structures, it also has important applications in the fields of sealing connection and structural self-healing. Giant magnetostrictive material is a representative advanced material, which has unique application advantages in guided wave monitoring, vibration control, energy harvest, and other directions. In addition, giant magnetostrictive materials themselves have high-resolution output, and there are many studies in the direction of high-precision actuators. Some smart materials are summarized and discussed in the above application directions, aiming at providing a reference for the initial development of follow-up related research. Full article
(This article belongs to the Special Issue Smart Materials and Structures for Aerospace Sensing Systems and Applications)
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