Special Issue "Advances in Acoustic Emission and Health Monitoring of Materials and Structures"

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Acoustics".

Deadline for manuscript submissions: 30 April 2017

Special Issue Editors

Guest Editor
Prof. Dr. Tomoki Shiotani

Department of Civil & Earth Resources Engineering,Graduate School of Engineering, Kyoto University,Nishikyo, Kyoto 615-8540, Japan
Website | E-Mail
Guest Editor
Prof. Dr. Dimitrios G. Aggelis

Dept. Mechanics of Materials and Constructions (MeMC), Vrije Universiteit Brussel (VUB), Belgium
Website | E-Mail
Interests: structural health monitoring (shm); non-destructive evaluation (nde); acoustic emission (ae); ultrasonic testing (ut); scattering; dispersion; attenuation; material evaluation; concrete

Special Issue Information

Dear Colleagues,

The present Special Issue aims to explore new trends in the field of condition monitoring of materials through Acoustic Emission (AE) and other Nondestructive Testing (NDT) techniques. The need for better control of material’s performance and processes is continuously pushing the limits of AE, with significant developments being achieved in terms of sensors, software, interpretation of signals, and characterization of materials’ condition. The focus is on all material systems, including metals, composites, rock, biological materials, and concrete. A certain number of contributions for this Special Issue will come from selected papers of IIIAE 2016 Kyoto, the first conference of International Institute of Innovative Acoustic Emission, composed of three major AE societies worldwide, namely the AE scientific committee in Japanese Society for Non-Destructive Inspection, the Acoustic Emission Working Group, USA, and the European Working Group of Acoustic Emission. IIIAE 2016 is also known by two other names, the 8th International Conference on Acoustic Emission, AEWG, and the 23rd International Acoustic Emission Symposium, JSNDI, http://iiiae.org/iiiae2016/index.html.

Topics of interest (among others) include:

  • Signal- and parameter-based approaches for fracture monitoring
  • Identification of fracture modes
  • Innovative methodologies in AE (tomography, etc.)
  • Monitoring of innovative materials
  • AE for quality control of processes
  • Combination of AE with other monitoring techniques
  • Sensor technology and wireless systems
  • AE for structural health monitoring
  • Improvement in localization of sources
  • Wave dispersion and waveguides
  • Numerical simulations of acoustic wave propagation

Prof. Tomoki Shiotani
Prof. Dimitrios G. Aggelis
Guest Editors

Submission

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. Papers will be published continuously (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as 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 refereed through a peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed Open Access monthly 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 1200 CHF (Swiss Francs).

 

Published Papers (1 paper)

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Research

Open AccessArticle Leak Detection in Water-Filled Small-Diameter Polyethylene Pipes by Means of Acoustic Emission Measurements
Appl. Sci. 2017, 7(1), 2; doi:10.3390/app7010002
Received: 24 November 2016 / Revised: 13 December 2016 / Accepted: 16 December 2016 / Published: 22 December 2016
PDF Full-text (4388 KB) | HTML Full-text | XML Full-text
Abstract
The implementation of effective strategies to manage leaks represents an essential goal for all utilities involved with drinking water supply in order to reduce water losses affecting urban distribution networks. This study concerns the early detection of leaks occurring in small-diameter customers’ connections
[...] Read more.
The implementation of effective strategies to manage leaks represents an essential goal for all utilities involved with drinking water supply in order to reduce water losses affecting urban distribution networks. This study concerns the early detection of leaks occurring in small-diameter customers’ connections to water supply networks. An experimental campaign was carried out in a test bed to investigate the sensitivity of Acoustic Emission (AE) monitoring to water leaks. Damages were artificially induced on a polyethylene pipe (length 28 m, outer diameter 32 mm) at different distances from an AE transducer. Measurements were performed in both unburied and buried pipe conditions. The analysis permitted the identification of a clear correlation between three monitored parameters (namely total Hits, Cumulative Counts and Cumulative Amplitude) and the characteristics of the examined leaks. Full article
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Figure 1

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.

Type of Paper: Review article
Title: Combination of acoustic and thermographic techniques for monitoring the fracture behavior in composite materials
Authors: Dimitrios A. Exarchos and Theodore E. Matikas
Affiliation: Materials Science & Engineering Department, University of
Ioannina, Greece
Abstract: This paper examines advanced methodologies for monitoring crack growth in composite materials with brittle matrix, using combined infrared thermography and acoustic techniques, such as acoustic emission and ultrasound. A combination of complementary nondestructive testing techniques allows for surface as well as for subsurface damage characterization. Materials of interest include ceramic matrix composites and cementitious materials. Observing the correlations between ultrasonic wave velocity, acoustic emission parameters, and thermal wave dissipation properties in relation to the content of damage, is of interest in order to establish reliable methodologies for monitoring the fracture behavior in these materials.

Type of Paper: Original research (Research article)
Title: The analysis of acoustic emission signals captured during static modulus elasticity test of selected specimens of cement composites
Authors: Libor Topolář, Luboš Pazdera, Dalibor Kocáb, Jaroslav Smutný, Karel Mikulášek, Tereza Komárková
Affiliation: Brno, University of Technology, Czech Rep.
Abstract: The mechanical properties of cement composites can be estimated by several methods both destructive and non-destructive. In this context, the crushing of the samples is the usual destructive test to determine the modulus of elasticity. The modulus of elasticity of cement composites is a key factor for estimating the deformation of the building structural elements. The static modulus of elasticity of cement composites was determined through a standard compression test. Acoustic emission method is often used to detect a failure at a very early stage of damage, long before a structure completely fails. The paper presents an experiment focused on analysing the acoustic emission signals captured in a commonly used static modulus elasticity test of specimens of cement composites.

Type of Paper: Original research (Research article)
Title: Using acoustic emission methods to monitor cement composites during setting and hardening
Authors: Libor Topolář, Luboš Pazdera, Barbara Kucharczyková, Jaroslav Smutný, Karel Mikulášek
Affiliation: Brno, University of Technology, Czech Rep.
Abstract: Cement composites are the basic building materials in civil engineering. Their properties are given not only by their composition, but also by their behaviour after the mixing of all components and by the ways of curing. Monitoring the processes and phenomena at the early stages of setting is important for determining their resulting properties. Method of acoustic emission is one of the non-destructive methods that can be employed to monitor the structural changes as a cement composite sets in. It can also detect the origin and growth of cracks during the lifetime of a cement composite immediately after the compound is mixed. The paper is concerned with the use of the acoustic emission method mainly at the initial stage of a cement composite lifetime with regard to the method’s advantages and disadvantages as well as with the measures necessary for its use.

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