Multisensor Inspection of Laser-Brazed Joints in the Automotive Industry

Automobile laser brazing remains a complex process whose results are affected by several process variables that may result in nonacceptable welds. A multisensory customized inspection system is proposed, with two distinct non-destructive techniques: the potential drop method and eddy current testing...

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Autores principales:	Miguel A. Machado, Luís S. Rosado, Nuno M. Mendes, Rosa M. Miranda, Telmo G. Santos
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	non-destructive testing eddy currents potential drop method laser brazing automotive industry numerical simulation Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/915055b5d5ed4ca292ad24d692cd227e
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spelling	oai:doaj.org-article:915055b5d5ed4ca292ad24d692cd227e2021-11-11T19:16:48ZMultisensor Inspection of Laser-Brazed Joints in the Automotive Industry10.3390/s212173351424-8220https://doaj.org/article/915055b5d5ed4ca292ad24d692cd227e2021-11-01T00:00:00Zhttps://www.mdpi.com/1424-8220/21/21/7335https://doaj.org/toc/1424-8220Automobile laser brazing remains a complex process whose results are affected by several process variables that may result in nonacceptable welds. A multisensory customized inspection system is proposed, with two distinct non-destructive techniques: the potential drop method and eddy current testing. New probes were designed, simulated, produced, and experimentally validated in automobile’s laser-brazed weld beads with artificially introduced defects. The numerical simulations allowed the development of a new four-point probe configuration in a non-conventional orthogonal shape demonstrating a superior performance in both simulation and experimental validation. The dedicated inspection system allowed the detection of porosities, cracks, and lack of bonding defects, demonstrating the redundancy and complementarity these two techniques provide.Miguel A. MachadoLuís S. RosadoNuno M. MendesRosa M. MirandaTelmo G. SantosMDPI AGarticlenon-destructive testingeddy currentspotential drop methodlaser brazingautomotive industrynumerical simulationChemical technologyTP1-1185ENSensors, Vol 21, Iss 7335, p 7335 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	non-destructive testing eddy currents potential drop method laser brazing automotive industry numerical simulation Chemical technology TP1-1185
spellingShingle	non-destructive testing eddy currents potential drop method laser brazing automotive industry numerical simulation Chemical technology TP1-1185 Miguel A. Machado Luís S. Rosado Nuno M. Mendes Rosa M. Miranda Telmo G. Santos Multisensor Inspection of Laser-Brazed Joints in the Automotive Industry
description	Automobile laser brazing remains a complex process whose results are affected by several process variables that may result in nonacceptable welds. A multisensory customized inspection system is proposed, with two distinct non-destructive techniques: the potential drop method and eddy current testing. New probes were designed, simulated, produced, and experimentally validated in automobile’s laser-brazed weld beads with artificially introduced defects. The numerical simulations allowed the development of a new four-point probe configuration in a non-conventional orthogonal shape demonstrating a superior performance in both simulation and experimental validation. The dedicated inspection system allowed the detection of porosities, cracks, and lack of bonding defects, demonstrating the redundancy and complementarity these two techniques provide.
format	article
author	Miguel A. Machado Luís S. Rosado Nuno M. Mendes Rosa M. Miranda Telmo G. Santos
author_facet	Miguel A. Machado Luís S. Rosado Nuno M. Mendes Rosa M. Miranda Telmo G. Santos
author_sort	Miguel A. Machado
title	Multisensor Inspection of Laser-Brazed Joints in the Automotive Industry
title_short	Multisensor Inspection of Laser-Brazed Joints in the Automotive Industry
title_full	Multisensor Inspection of Laser-Brazed Joints in the Automotive Industry
title_fullStr	Multisensor Inspection of Laser-Brazed Joints in the Automotive Industry
title_full_unstemmed	Multisensor Inspection of Laser-Brazed Joints in the Automotive Industry
title_sort	multisensor inspection of laser-brazed joints in the automotive industry
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/915055b5d5ed4ca292ad24d692cd227e
work_keys_str_mv	AT miguelamachado multisensorinspectionoflaserbrazedjointsintheautomotiveindustry AT luissrosado multisensorinspectionoflaserbrazedjointsintheautomotiveindustry AT nunommendes multisensorinspectionoflaserbrazedjointsintheautomotiveindustry AT rosammiranda multisensorinspectionoflaserbrazedjointsintheautomotiveindustry AT telmogsantos multisensorinspectionoflaserbrazedjointsintheautomotiveindustry
_version_	1718431598399979520

Multisensor Inspection of Laser-Brazed Joints in the Automotive Industry

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