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A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Materials Characterization".
Deadline for manuscript submissions: 20 February 2024 | Viewed by 2295
Special Issue Editor
Interests: ultrasound NDE; signal processing; nonlinear ultrasound; time reversal; metamaterials
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Today, a variety of nondestructive evaluation (NDE) concepts and technologies are used in all fields of engineering, from design to manufacturing to in-service inspection of materials and structures in various industrial sectors. For example, new material processing technologies such as 3D printing allow the efficient production of complicated parts, but the need for NDEs is very high. Condition monitoring and diagnosis of batteries for electric vehicles is also one of the areas of high demand in the NDE field.
The control and manipulation of acoustic/elastic waves has been made possible by the presence of metamaterials, which possess many potential applications. The imminent impacts of metamaterial-based sensors and devices are expected to significantly improve the efficiency and accuracy of existing NDE methods.
NDE is also playing an important role in the structural integrity and condition monitoring of major parts and structures, especially in chemical and power plants, oil and gas pipelines, transport systems, aerospace, and other industrial applications.
This Special Issue of Materials is intended to cover a broad spectrum from conventional to advanced NDE, including new methods, instrumentation, sensors, detection and characterization, and data analytics as applied to all types of engineering materials and structures in all industrial sectors for material processing monitoring, product quality control, structural condition monitoring, life estimation, and related areas. This Special Issue will cover a wide range of research topics that are relevant to NDE, including, but not limited to, the following:
- NDE of additively manufactured products, metamaterials and batteries
- Metamaterials-based sensing and applications
- Defect detection, imaging, and characterization
- Material state relations - stress, strain and mechanical properties
- Corrosion, leakage, microcracks and microdamage
- Phased array techniques and signal processing
- Guided wave inspection and acoustic emission
- Nonlinear ultrasound and time reversal
- SHM and condition estimation
- Machine learning and artificial intelligence
Prof. Dr. Hyunjo Jeong
Guest Editor
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. Materials 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
- NDE of additively manufactured products, metamaterials and batteries
- metamaterials-based sensing and applications
- defect detection, imaging, and characterization
- material state relations - stress, strain and mechanical properties
- corrosion, leakage, microcracks and microdamage
- phased array techniques and signal processing
- guided wave inspection and acoustic emission
- nonlinear ultrasound and time reversal
- SHM and condition estimation
- machine learning and artificial intelligence
Planned Papers
The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.
Title: Fabrication and characterization of a metamaterial filter in realization of higher harmonic bandgaps with emphasis on third harmonic suppression
Authors: Hyunjo Jeong, Jinho Kang, Hyeonu Heo, Tae-Youl Choi
Affiliation: 1Department of Mechanical Engineering, Wonkwang University, Iksan, Jeonbuk 54538, South Korea
2Mechanical and Energy Engineering Department, University of North Texas, Denton, TX 76209, USA
3Graduate Program in Acoustics, The Pennsylvania State University, University Park, PA 16802, USA
Abstract: Nonlinear ultrasonic testing (NLUT) takes advantage of the higher harmonics produced by microscopic damages and imperfections when a finite amplitude fundamental wave propagates in a solid sample. Reliable and accurate test results require measurements of pure nonlinearities of the sample by removing any external nonlinear harmonic components that may arise from the electronics and experimental setup. For this purpose, phononic crystals and metamaterials can be implemented to filter the second or/and third harmonic frequencies while allowing the fundamental frequency to enter the specimen. This paper focuses on the development of a phononic crystal with a wide frequency range bandgap especially to eliminate the third harmonic component. The 1D PnC filter made of a periodic arrangement of solid-solid layers was designed and analyzed to provide a band gap that blocks higher harmonics, while passing the fundamental frequency. The PnC filter was fabricated using a newly devised brazing process, and experimentally characterized in the linear and nonlinear ultrasonic regime to investigate the spectral response and verify the band gap. The transmission response showed more than 30 dB attenuation in the designed band gap and matched well with the theoretical calculations.