Defect detection and characterization in composite materials using square pulse thermography coupled with singular value decomposition analysis and thermal quadrupole modeling
In this study, square pulse thermography is used to detect and characterize defects in carbon/epoxy composite plates. Defects are polymeric disks inserted between plies at different depths in the samples. A practical experimental set-up is developed: temperature measurements are only required on the...
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Veröffentlicht in: | NDT & E international : independent nondestructive testing and evaluation 2012-10, Vol.51, p.58-67 |
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creator | Feuillet, V. Ibos, L. Fois, M. Dumoulin, J. Candau, Y. |
description | In this study, square pulse thermography is used to detect and characterize defects in carbon/epoxy composite plates. Defects are polymeric disks inserted between plies at different depths in the samples. A practical experimental set-up is developed: temperature measurements are only required on the front face of the samples and the heating source consists in using standard halogen lamps. A transient thermal modeling based on thermal quadrupoles and several adimensional parameters provides a one-dimensional analytical solution. Singular value decomposition analysis is used to differentiate sound and defect areas. An inversion procedure is carried out to estimate unknown parameters without any prior knowledge on sample properties or defect locations. Especially it is possible to estimate both depth and thermal resistance of the defect with reduced uncertainties. Results on the influence of the analysis and heating durations are presented. A comparison of the thermal contact quality relative to the different defects is finally performed. |
doi_str_mv | 10.1016/j.ndteint.2012.06.003 |
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Defects are polymeric disks inserted between plies at different depths in the samples. A practical experimental set-up is developed: temperature measurements are only required on the front face of the samples and the heating source consists in using standard halogen lamps. A transient thermal modeling based on thermal quadrupoles and several adimensional parameters provides a one-dimensional analytical solution. Singular value decomposition analysis is used to differentiate sound and defect areas. An inversion procedure is carried out to estimate unknown parameters without any prior knowledge on sample properties or defect locations. Especially it is possible to estimate both depth and thermal resistance of the defect with reduced uncertainties. Results on the influence of the analysis and heating durations are presented. A comparison of the thermal contact quality relative to the different defects is finally performed.</description><identifier>ISSN: 0963-8695</identifier><identifier>EISSN: 1879-1174</identifier><identifier>DOI: 10.1016/j.ndteint.2012.06.003</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Applied sciences ; Composite materials ; Composites ; Cross-disciplinary physics: materials science; rheology ; Defect detection and characterization ; Exact sciences and technology ; Forms of application and semi-finished materials ; Identification ; Instruments, apparatus, components and techniques common to several branches of physics and astronomy ; Materials science ; Materials testing ; Mechanics ; Physics ; Polymer industry, paints, wood ; Properties and testing ; Square pulse thermography ; Technology of polymers ; Testing and control ; Thermal instruments, apparatus and techniques ; Thermal quadrupoles ; Thermics ; Thermometry</subject><ispartof>NDT & E international : independent nondestructive testing and evaluation, 2012-10, Vol.51, p.58-67</ispartof><rights>2012 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c373t-2eac470594ecd1a64ba089d86e76348c905122ffecee5baf131326df9e91a9b3</citedby><cites>FETCH-LOGICAL-c373t-2eac470594ecd1a64ba089d86e76348c905122ffecee5baf131326df9e91a9b3</cites><orcidid>0000-0002-4879-7990</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ndteint.2012.06.003$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26414539$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.u-pec.fr/hal-04119903$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Feuillet, V.</creatorcontrib><creatorcontrib>Ibos, L.</creatorcontrib><creatorcontrib>Fois, M.</creatorcontrib><creatorcontrib>Dumoulin, J.</creatorcontrib><creatorcontrib>Candau, Y.</creatorcontrib><title>Defect detection and characterization in composite materials using square pulse thermography coupled with singular value decomposition analysis and thermal quadrupole modeling</title><title>NDT & E international : independent nondestructive testing and evaluation</title><description>In this study, square pulse thermography is used to detect and characterize defects in carbon/epoxy composite plates. Defects are polymeric disks inserted between plies at different depths in the samples. A practical experimental set-up is developed: temperature measurements are only required on the front face of the samples and the heating source consists in using standard halogen lamps. A transient thermal modeling based on thermal quadrupoles and several adimensional parameters provides a one-dimensional analytical solution. Singular value decomposition analysis is used to differentiate sound and defect areas. An inversion procedure is carried out to estimate unknown parameters without any prior knowledge on sample properties or defect locations. Especially it is possible to estimate both depth and thermal resistance of the defect with reduced uncertainties. Results on the influence of the analysis and heating durations are presented. A comparison of the thermal contact quality relative to the different defects is finally performed.</description><subject>Applied sciences</subject><subject>Composite materials</subject><subject>Composites</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Defect detection and characterization</subject><subject>Exact sciences and technology</subject><subject>Forms of application and semi-finished materials</subject><subject>Identification</subject><subject>Instruments, apparatus, components and techniques common to several branches of physics and astronomy</subject><subject>Materials science</subject><subject>Materials testing</subject><subject>Mechanics</subject><subject>Physics</subject><subject>Polymer industry, paints, wood</subject><subject>Properties and testing</subject><subject>Square pulse thermography</subject><subject>Technology of polymers</subject><subject>Testing and control</subject><subject>Thermal instruments, apparatus and techniques</subject><subject>Thermal quadrupoles</subject><subject>Thermics</subject><subject>Thermometry</subject><issn>0963-8695</issn><issn>1879-1174</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqFkUFr3DAQhU1oIdu0PyGgSw492JEsW7ZOJaRtUljoJXcxK41jLVrLlewtmz_Vv1h5neba08DMe-9jeFl2zWjBKBO3-2IwE9phKkrKyoKKglJ-kW1Y28icsaZ6l22oFDxvhawvsw8x7imlZcWbTfbnK3aoJ2JwSsP6gcBgiO4hgJ4w2Bc4L-1AtD-MPtoJyQGWC7hI5miHZxJ_zRCQjLOLSKYew8E_Bxj7U_LMo0NDftupJ4t2dhDIEdyMifgvcaWCO0Ubz_hzBjiSck2YR-8S0xt0KeBj9r5LZPz0Oq-yp-_fnu4f8-3Phx_3d9tc84ZPeYmgq4bWskJtGIhqB7SVphXYCF61WtKalWWXXkesd9AxzngpTCdRMpA7fpV9XmN7cGoM9gDhpDxY9Xi3VcuOVoxJSfmRJW29anXwMQbs3gyMqqUgtVevBamlIEWFSgUl383qGyFqcF2AQdv4Zi5Fxaqay6T7suow_Xu0GFTUFgeNxobUmTLe_of0F-Ilr8s</recordid><startdate>20121001</startdate><enddate>20121001</enddate><creator>Feuillet, V.</creator><creator>Ibos, L.</creator><creator>Fois, M.</creator><creator>Dumoulin, J.</creator><creator>Candau, Y.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-4879-7990</orcidid></search><sort><creationdate>20121001</creationdate><title>Defect detection and characterization in composite materials using square pulse thermography coupled with singular value decomposition analysis and thermal quadrupole modeling</title><author>Feuillet, V. ; 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Defects are polymeric disks inserted between plies at different depths in the samples. A practical experimental set-up is developed: temperature measurements are only required on the front face of the samples and the heating source consists in using standard halogen lamps. A transient thermal modeling based on thermal quadrupoles and several adimensional parameters provides a one-dimensional analytical solution. Singular value decomposition analysis is used to differentiate sound and defect areas. An inversion procedure is carried out to estimate unknown parameters without any prior knowledge on sample properties or defect locations. Especially it is possible to estimate both depth and thermal resistance of the defect with reduced uncertainties. Results on the influence of the analysis and heating durations are presented. A comparison of the thermal contact quality relative to the different defects is finally performed.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ndteint.2012.06.003</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0002-4879-7990</orcidid></addata></record> |
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subjects | Applied sciences Composite materials Composites Cross-disciplinary physics: materials science rheology Defect detection and characterization Exact sciences and technology Forms of application and semi-finished materials Identification Instruments, apparatus, components and techniques common to several branches of physics and astronomy Materials science Materials testing Mechanics Physics Polymer industry, paints, wood Properties and testing Square pulse thermography Technology of polymers Testing and control Thermal instruments, apparatus and techniques Thermal quadrupoles Thermics Thermometry |
title | Defect detection and characterization in composite materials using square pulse thermography coupled with singular value decomposition analysis and thermal quadrupole modeling |
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