The Detection of Burn-Through Weld Defects Using Noncontact Ultrasonics

The Detection of Burn-Through Weld Defects Using Noncontact Ultrasonics

Nearly all manufactured products in the metal industry involve welding. The detection and correction of defects during welding improve the product reliability and quality, and prevent unexpected failures. Nonintrusive process control is critical for avoiding these defects. This paper investigates th...

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Main Authors: Zeynab Abbasi, Donald Yuhas, Lu Zhang, Alexandra-Del-Carmen Basantes, Niloofar Nabili Tehrani, Didem Ozevin, Ernesto Indacochea
Format: Article
Language:English
Published: MDPI AG 2018-01-01
Series:Materials
Subjects:
Burn-through
weld bead width
noncontact
air-coupled ultrasonics
Online Access:http://www.mdpi.com/1996-1944/11/1/128
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spelling doaj-cd9a9b3a315e4499a90c7f5e3d77ba002020-11-24T22:33:45ZengMDPI AGMaterials1996-19442018-01-0111112810.3390/ma11010128ma11010128The Detection of Burn-Through Weld Defects Using Noncontact UltrasonicsZeynab Abbasi0Donald Yuhas1Lu Zhang2Alexandra-Del-Carmen Basantes3Niloofar Nabili Tehrani4Didem Ozevin5Ernesto Indacochea6Civil & Materials Engineering Department, University of Illinois at Chicago, Chicago, IL 60607, USAIndustrial Measurement Systems Inc., Aurora, IL 60502, USACivil & Materials Engineering Department, University of Illinois at Chicago, Chicago, IL 60607, USACivil & Materials Engineering Department, University of Illinois at Chicago, Chicago, IL 60607, USACivil & Materials Engineering Department, University of Illinois at Chicago, Chicago, IL 60607, USACivil & Materials Engineering Department, University of Illinois at Chicago, Chicago, IL 60607, USACivil & Materials Engineering Department, University of Illinois at Chicago, Chicago, IL 60607, USANearly all manufactured products in the metal industry involve welding. The detection and correction of defects during welding improve the product reliability and quality, and prevent unexpected failures. Nonintrusive process control is critical for avoiding these defects. This paper investigates the detection of burn-through damage using noncontact, air-coupled ultrasonics, which can be adapted to the immediate and in-situ inspection of welded samples. The burn-through leads to a larger volume of degraded weld zone, providing a resistance path for the wave to travel which results in lower velocity, energy ratio, and amplitude. Wave energy dispersion occurs due to the increase of weld burn-through resulting in higher wave attenuation. Weld sample micrographs are used to validate the ultrasonic results.http://www.mdpi.com/1996-1944/11/1/128Burn-throughweld bead widthnoncontactair-coupled ultrasonics
collection DOAJ
language English
format Article
sources DOAJ
author Zeynab Abbasi
Donald Yuhas
Lu Zhang
Alexandra-Del-Carmen Basantes
Niloofar Nabili Tehrani
Didem Ozevin
Ernesto Indacochea
spellingShingle Zeynab Abbasi
Donald Yuhas
Lu Zhang
Alexandra-Del-Carmen Basantes
Niloofar Nabili Tehrani
Didem Ozevin
Ernesto Indacochea
The Detection of Burn-Through Weld Defects Using Noncontact Ultrasonics
Materials
Burn-through
weld bead width
noncontact
air-coupled ultrasonics
author_facet Zeynab Abbasi
Donald Yuhas
Lu Zhang
Alexandra-Del-Carmen Basantes
Niloofar Nabili Tehrani
Didem Ozevin
Ernesto Indacochea
author_sort Zeynab Abbasi
title The Detection of Burn-Through Weld Defects Using Noncontact Ultrasonics
title_short The Detection of Burn-Through Weld Defects Using Noncontact Ultrasonics
title_full The Detection of Burn-Through Weld Defects Using Noncontact Ultrasonics
title_fullStr The Detection of Burn-Through Weld Defects Using Noncontact Ultrasonics
title_full_unstemmed The Detection of Burn-Through Weld Defects Using Noncontact Ultrasonics
title_sort detection of burn-through weld defects using noncontact ultrasonics
publisher MDPI AG
series Materials
issn 1996-1944
publishDate 2018-01-01
description Nearly all manufactured products in the metal industry involve welding. The detection and correction of defects during welding improve the product reliability and quality, and prevent unexpected failures. Nonintrusive process control is critical for avoiding these defects. This paper investigates the detection of burn-through damage using noncontact, air-coupled ultrasonics, which can be adapted to the immediate and in-situ inspection of welded samples. The burn-through leads to a larger volume of degraded weld zone, providing a resistance path for the wave to travel which results in lower velocity, energy ratio, and amplitude. Wave energy dispersion occurs due to the increase of weld burn-through resulting in higher wave attenuation. Weld sample micrographs are used to validate the ultrasonic results.
topic Burn-through
weld bead width
noncontact
air-coupled ultrasonics
url http://www.mdpi.com/1996-1944/11/1/128
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