Non-destructive testing of the strength of glass by a non-linear ultrasonic method

The paper presents basis and experimental results of a non-destructive method aimed at determination of the presence of large surface cracks in glass samples by measurements with NAW® technology (Nonlinear Acoustic Wave). The method is based on a transmitted ultrasonic wave in the material from whic...

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Autores principales:	Kent Persson, Kristian Haller, Stefan Karlsson, Marcin Kozłowski
Formato:	article
Lenguaje:	EN
Publicado:	Challenging Glass Conference 2020
Materias:	Non-destructive testing Glass strength Nonlinear Acoustic Wave Clay industries. Ceramics. Glass TP785-869
Acceso en línea:	https://doaj.org/article/1418e5527c824c679a310a5b3537e0ec
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spelling	oai:doaj.org-article:1418e5527c824c679a310a5b3537e0ec2021-12-04T05:11:48ZNon-destructive testing of the strength of glass by a non-linear ultrasonic method10.7480/cgc.7.44982589-8019https://doaj.org/article/1418e5527c824c679a310a5b3537e0ec2020-09-01T00:00:00Zhttps://proceedings.challengingglass.com/index.php/cgc/article/view/281https://doaj.org/toc/2589-8019The paper presents basis and experimental results of a non-destructive method aimed at determination of the presence of large surface cracks in glass samples by measurements with NAW® technology (Nonlinear Acoustic Wave). The method is based on a transmitted ultrasonic wave in the material from which the non-linear content of the signal can be analysed. A sample containing defects presents nonlinearities in the form of distortions, such as, higher order harmonics that are detected. Nonlinearities in the signal are primarily formed at crack-tips and the number of nonlinearities is proportional to the amount of damage, or defects, in the sample that is investigated. The result of the measurement and evaluation, that only takes a few seconds, is a damage value that is easy to understand and to use for immediate application. A number of preliminary test results and comparisons with destructive testing for various test setups, as well as a recent test strategy including fabricated defects with a nanoindenter will be discussed. Kent PerssonKristian HallerStefan KarlssonMarcin KozłowskiChallenging Glass ConferencearticleNon-destructive testingGlass strengthNonlinear Acoustic WaveClay industries. Ceramics. GlassTP785-869ENChallenging Glass Conference Proceedings, Vol 7, Iss 1 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Non-destructive testing Glass strength Nonlinear Acoustic Wave Clay industries. Ceramics. Glass TP785-869
spellingShingle	Non-destructive testing Glass strength Nonlinear Acoustic Wave Clay industries. Ceramics. Glass TP785-869 Kent Persson Kristian Haller Stefan Karlsson Marcin Kozłowski Non-destructive testing of the strength of glass by a non-linear ultrasonic method
description	The paper presents basis and experimental results of a non-destructive method aimed at determination of the presence of large surface cracks in glass samples by measurements with NAW® technology (Nonlinear Acoustic Wave). The method is based on a transmitted ultrasonic wave in the material from which the non-linear content of the signal can be analysed. A sample containing defects presents nonlinearities in the form of distortions, such as, higher order harmonics that are detected. Nonlinearities in the signal are primarily formed at crack-tips and the number of nonlinearities is proportional to the amount of damage, or defects, in the sample that is investigated. The result of the measurement and evaluation, that only takes a few seconds, is a damage value that is easy to understand and to use for immediate application. A number of preliminary test results and comparisons with destructive testing for various test setups, as well as a recent test strategy including fabricated defects with a nanoindenter will be discussed.
format	article
author	Kent Persson Kristian Haller Stefan Karlsson Marcin Kozłowski
author_facet	Kent Persson Kristian Haller Stefan Karlsson Marcin Kozłowski
author_sort	Kent Persson
title	Non-destructive testing of the strength of glass by a non-linear ultrasonic method
title_short	Non-destructive testing of the strength of glass by a non-linear ultrasonic method
title_full	Non-destructive testing of the strength of glass by a non-linear ultrasonic method
title_fullStr	Non-destructive testing of the strength of glass by a non-linear ultrasonic method
title_full_unstemmed	Non-destructive testing of the strength of glass by a non-linear ultrasonic method
title_sort	non-destructive testing of the strength of glass by a non-linear ultrasonic method
publisher	Challenging Glass Conference
publishDate	2020
url	https://doaj.org/article/1418e5527c824c679a310a5b3537e0ec
work_keys_str_mv	AT kentpersson nondestructivetestingofthestrengthofglassbyanonlinearultrasonicmethod AT kristianhaller nondestructivetestingofthestrengthofglassbyanonlinearultrasonicmethod AT stefankarlsson nondestructivetestingofthestrengthofglassbyanonlinearultrasonicmethod AT marcinkozłowski nondestructivetestingofthestrengthofglassbyanonlinearultrasonicmethod
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Non-destructive testing of the strength of glass by a non-linear ultrasonic method

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