{"id":"https://openalex.org/W4409428340","doi":"https://doi.org/10.1177/14644207251319443","title":"Experimental study on failure detection of sandwich panels with different cores under bending, vibration and cyclic impact loading, use of piezoelectric technology","display_name":"Experimental study on failure detection of sandwich panels with different cores under bending, vibration and cyclic impact loading, use of piezoelectric technology","publication_year":2025,"publication_date":"2025-03-18","ids":{"openalex":"https://openalex.org/W4409428340","doi":"https://doi.org/10.1177/14644207251319443"},"language":"en","primary_location":{"id":"doi:10.1177/14644207251319443","doi":"https://doi.org/10.1177/14644207251319443","is_oa":false,"landing_page_url":"https://doi.org/10.1177/14644207251319443","pdf_url":null,"source":{"id":"https://openalex.org/S986594421","display_name":"Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications","issn_l":"1464-4207","issn":["1464-4207","2041-3076"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5092957691","display_name":"Bassima Tablit","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I3121272148","display_name":"University of Boumerdes","ror":"https://ror.org/02dveg925","country_code":"DZ","type":"education","lineage":["https://openalex.org/I3121272148"]}],"countries":["DZ"],"is_corresponding":false,"raw_author_name":"Bassima Tablit","raw_affiliation_strings":["Laboratory of Solid Mechanics and Systems, University of Boumerdes, Boumerdes, Algeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Solid Mechanics and Systems, University of Boumerdes, Boumerdes, Algeria","institution_ids":["https://openalex.org/I3121272148"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044363144","display_name":"Ahmed Chellil","orcid":"https://orcid.org/0000-0001-9467-4214","observed_orcids":["https://orcid.org/0000-0001-9467-4214"]},"institutions":[{"id":"https://openalex.org/I3121272148","display_name":"University of Boumerdes","ror":"https://ror.org/02dveg925","country_code":"DZ","type":"education","lineage":["https://openalex.org/I3121272148"]}],"countries":["DZ"],"is_corresponding":false,"raw_author_name":"Ahmed Chellil","raw_affiliation_strings":["Laboratory of Dynamic Motors and Vibroacoustic, University of Boumerdes, Boumerdes, Algeria"],"raw_orcid":"https://orcid.org/0000-0001-9467-4214","affiliations":[{"raw_affiliation_string":"Laboratory of Dynamic Motors and Vibroacoustic, University of Boumerdes, Boumerdes, Algeria","institution_ids":["https://openalex.org/I3121272148"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042063115","display_name":"Amin Houari","orcid":"https://orcid.org/0009-0004-2617-2182","observed_orcids":["https://orcid.org/0009-0004-2617-2182"]},"institutions":[{"id":"https://openalex.org/I3121272148","display_name":"University of Boumerdes","ror":"https://ror.org/02dveg925","country_code":"DZ","type":"education","lineage":["https://openalex.org/I3121272148"]},{"id":"https://openalex.org/I4210125514","display_name":"Universit\u00e9 Djilali de Sidi Bel Abb\u00e8s","ror":"https://ror.org/0378szg41","country_code":"DZ","type":"education","lineage":["https://openalex.org/I4210125514"]}],"countries":["DZ"],"is_corresponding":true,"raw_author_name":"Amin Houari","raw_affiliation_strings":["Djillali Liabes University","Laboratory of Dynamic Motors and Vibroacoustic, University of Boumerdes, Boumerdes, Algeria","Mechanical Engineering Department, LMSS Laboratory, Djillali Liabes University, Sidi Bel Abbes, Algeria"],"raw_orcid":"https://orcid.org/0009-0004-2617-2182","affiliations":[{"raw_affiliation_string":"Djillali Liabes University","institution_ids":["https://openalex.org/I4210125514"]},{"raw_affiliation_string":"Laboratory of Dynamic Motors and Vibroacoustic, University of Boumerdes, Boumerdes, Algeria","institution_ids":["https://openalex.org/I3121272148"]},{"raw_affiliation_string":"Mechanical Engineering Department, LMSS Laboratory, Djillali Liabes University, Sidi Bel Abbes, Algeria","institution_ids":["https://openalex.org/I4210125514"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021259483","display_name":"Samir Lecheb","orcid":"https://orcid.org/0000-0003-1237-0220","observed_orcids":["https://orcid.org/0000-0003-1237-0220"]},"institutions":[{"id":"https://openalex.org/I3121272148","display_name":"University of Boumerdes","ror":"https://ror.org/02dveg925","country_code":"DZ","type":"education","lineage":["https://openalex.org/I3121272148"]}],"countries":["DZ"],"is_corresponding":false,"raw_author_name":"Samir Lecheb","raw_affiliation_strings":["Laboratory of Dynamic Motors and Vibroacoustic, University of Boumerdes, Boumerdes, Algeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Dynamic Motors and Vibroacoustic, University of Boumerdes, Boumerdes, Algeria","institution_ids":["https://openalex.org/I3121272148"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024866792","display_name":"Kouider Encadreur Madani","orcid":"https://orcid.org/0000-0003-3277-1187","observed_orcids":["https://orcid.org/0000-0003-3277-1187"]},"institutions":[{"id":"https://openalex.org/I4210125514","display_name":"Universit\u00e9 Djilali de Sidi Bel Abb\u00e8s","ror":"https://ror.org/0378szg41","country_code":"DZ","type":"education","lineage":["https://openalex.org/I4210125514"]}],"countries":["DZ"],"is_corresponding":false,"raw_author_name":"Kouider Madani","raw_affiliation_strings":["Djillali Liabes University","Mechanical Engineering Department, LMSS Laboratory, Djillali Liabes University, Sidi Bel Abbes, Algeria"],"raw_orcid":"https://orcid.org/0000-0003-3277-1187","affiliations":[{"raw_affiliation_string":"Djillali Liabes University","institution_ids":["https://openalex.org/I4210125514"]},{"raw_affiliation_string":"Mechanical Engineering Department, LMSS Laboratory, Djillali Liabes University, Sidi Bel Abbes, Algeria","institution_ids":["https://openalex.org/I4210125514"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007734685","display_name":"Mohamed Belhouari","orcid":"https://orcid.org/0000-0001-7863-1222","observed_orcids":["https://orcid.org/0000-0001-7863-1222"]},"institutions":[{"id":"https://openalex.org/I4210125514","display_name":"Universit\u00e9 Djilali de Sidi Bel Abb\u00e8s","ror":"https://ror.org/0378szg41","country_code":"DZ","type":"education","lineage":["https://openalex.org/I4210125514"]}],"countries":["DZ"],"is_corresponding":false,"raw_author_name":"Belhouari Mohamed","raw_affiliation_strings":["Djillali Liabes University","Mechanical Engineering Department, LMSS Laboratory, Djillali Liabes University, Sidi Bel Abbes, Algeria"],"raw_orcid":"https://orcid.org/0000-0001-7863-1222","affiliations":[{"raw_affiliation_string":"Djillali Liabes University","institution_ids":["https://openalex.org/I4210125514"]},{"raw_affiliation_string":"Mechanical Engineering Department, LMSS Laboratory, Djillali Liabes University, Sidi Bel Abbes, Algeria","institution_ids":["https://openalex.org/I4210125514"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054463620","display_name":"R.D.S.G. Campilho","orcid":"https://orcid.org/0000-0003-4167-4434","observed_orcids":["https://orcid.org/0000-0003-4167-4434"]},"institutions":[{"id":"https://openalex.org/I4210121509","display_name":"Institute of Mechanical Engineering and Industrial Mangement","ror":"https://ror.org/02pk7c879","country_code":"PT","type":"facility","lineage":["https://openalex.org/I182534213","https://openalex.org/I4210121509"]},{"id":"https://openalex.org/I4405255652","display_name":"Centro de Investiga\u00e7\u00e3o e Desenvolvimento em Engenharia Mec\u00e2nica","ror":"https://ror.org/038p71r52","country_code":"PT","type":"facility","lineage":["https://openalex.org/I4405255652","https://openalex.org/I83863532"]},{"id":"https://openalex.org/I83863532","display_name":"Universidade T\u00e9cnica do Porto","ror":"https://ror.org/04988re48","country_code":"PT","type":"education","lineage":["https://openalex.org/I83863532"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"R.D.S.G. Campilho","raw_affiliation_strings":["INEGI, Institute of Science and Innovation in Mechanical and Industrial Engineering, Porto, Portugal","Polytechnic of Porto","CIDEM, ISEP-School of Engineering, Polytechnic of Porto, Porto, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INEGI, Institute of Science and Innovation in Mechanical and Industrial Engineering, Porto, Portugal","institution_ids":["https://openalex.org/I4210121509"]},{"raw_affiliation_string":"Polytechnic of Porto","institution_ids":["https://openalex.org/I83863532"]},{"raw_affiliation_string":"CIDEM, ISEP-School of Engineering, Polytechnic of Porto, Porto, Portugal","institution_ids":["https://openalex.org/I4405255652","https://openalex.org/I83863532"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101645353","display_name":"Mohamed Bey","orcid":"https://orcid.org/0009-0007-5751-962X","observed_orcids":["https://orcid.org/0009-0007-5751-962X"]},"institutions":[{"id":"https://openalex.org/I4210106700","display_name":"Universit\u00e9 IBN Khaldoun Tiaret","ror":"https://ror.org/018jjaw76","country_code":"DZ","type":"education","lineage":["https://openalex.org/I4210106700"]},{"id":"https://openalex.org/I4210110732","display_name":"Universit\u00e9 Ibn Khaldoun","ror":"https://ror.org/01g37t325","country_code":"TN","type":"education","lineage":["https://openalex.org/I4210110732"]}],"countries":["DZ","TN"],"is_corresponding":false,"raw_author_name":"Mohamed Bey","raw_affiliation_strings":["Ibn Khaldoun University","Energy and Computer Engineering Laboratory, Ibn Khaldoun University, Tiaret, Algeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ibn Khaldoun University","institution_ids":["https://openalex.org/I4210110732"]},{"raw_affiliation_string":"Energy and Computer Engineering Laboratory, Ibn Khaldoun University, Tiaret, Algeria","institution_ids":["https://openalex.org/I4210106700"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5093851495","display_name":"Amira Djellab","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I3121272148","display_name":"University of Boumerdes","ror":"https://ror.org/02dveg925","country_code":"DZ","type":"education","lineage":["https://openalex.org/I3121272148"]}],"countries":["DZ"],"is_corresponding":false,"raw_author_name":"Amira Djellab","raw_affiliation_strings":["Laboratory of Dynamic Motors and Vibroacoustic, University of Boumerdes, Boumerdes, Algeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratory of Dynamic Motors and Vibroacoustic, University of Boumerdes, Boumerdes, Algeria","institution_ids":["https://openalex.org/I3121272148"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5042063115"],"corresponding_institution_ids":["https://openalex.org/I3121272148","https://openalex.org/I4210125514"],"apc_list":{"value":4150,"currency":"USD","value_usd":4150},"apc_paid":null,"fwci":0.5455,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.50325487,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":"240","issue":"2","first_page":"317","last_page":"330"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10219","display_name":"Mechanical Behavior of Composites","score":0.5713000297546387,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10219","display_name":"Mechanical Behavior of Composites","score":0.5713000297546387,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10707","display_name":"Cellular and Composite Structures","score":0.2667999863624573,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":0.06340000033378601,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/sandwich-panels","display_name":"sandwich panels","score":0.984000027179718},{"id":"https://openalex.org/keywords/damage-detection","display_name":"damage detection","score":0.7200000286102295},{"id":"https://openalex.org/keywords/piezoelectric-sensors","display_name":"piezoelectric sensors","score":0.9660000205039978},{"id":"https://openalex.org/keywords/foam-core","display_name":"foam core","score":0.796999990940094},{"id":"https://openalex.org/keywords/expanded-polystyrene-core","display_name":"expanded polystyrene core","score":0.9290000200271606},{"id":"https://openalex.org/keywords/polyurethane-foam-core","display_name":"polyurethane foam core","score":0.9340000152587891},{"id":"https://openalex.org/keywords/three-point-bending","display_name":"three-point bending","score":0.8579999804496765},{"id":"https://openalex.org/keywords/cyclic-impact-loading","display_name":"cyclic impact loading","score":0.968999981880188},{"id":"https://openalex.org/keywords/failure-modes","display_name":"failure modes","score":0.906000018119812},{"id":"https://openalex.org/keywords/structural-health-monitoring","display_name":"structural health monitoring","score":0.7229999899864197},{"id":"https://openalex.org/keywords/impact-energy-absorption","display_name":"impact energy absorption","score":0.8199999928474426}],"concepts":[{"id":"https://openalex.org/C100082104","wikidata":"https://www.wikidata.org/wiki/Q183759","display_name":"Piezoelectricity","level":2,"score":0.7047010064125061},{"id":"https://openalex.org/C87210426","wikidata":"https://www.wikidata.org/wiki/Q1072476","display_name":"Bending","level":2,"score":0.6719573736190796},{"id":"https://openalex.org/C198394728","wikidata":"https://www.wikidata.org/wiki/Q3695508","display_name":"Vibration","level":2,"score":0.6637576818466187},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.6284127235412598},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.6246446371078491},{"id":"https://openalex.org/C173677008","wikidata":"https://www.wikidata.org/wiki/Q2094637","display_name":"Piezoelectric sensor","level":3,"score":0.5705267190933228},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.4743596017360687},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.3734816610813141},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.21990108489990234},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.05104774236679077}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1177/14644207251319443","doi":"https://doi.org/10.1177/14644207251319443","is_oa":false,"landing_page_url":"https://doi.org/10.1177/14644207251319443","pdf_url":null,"source":{"id":"https://openalex.org/S986594421","display_name":"Proceedings of the Institution of Mechanical Engineers Part L Journal of Materials Design and Applications","issn_l":"1464-4207","issn":["1464-4207","2041-3076"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320017","host_organization_name":"SAGE Publishing","host_organization_lineage":["https://openalex.org/P4310320017"],"host_organization_lineage_names":["SAGE Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.7207000255584717}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":43,"referenced_works":["https://openalex.org/W1482678205","https://openalex.org/W1552259195","https://openalex.org/W1966092958","https://openalex.org/W1969506897","https://openalex.org/W1984441412","https://openalex.org/W1985716339","https://openalex.org/W1992785418","https://openalex.org/W2003632861","https://openalex.org/W2004594448","https://openalex.org/W2026399392","https://openalex.org/W2042237948","https://openalex.org/W2050124740","https://openalex.org/W2086796947","https://openalex.org/W2088653075","https://openalex.org/W2113213243","https://openalex.org/W2123310101","https://openalex.org/W2149743910","https://openalex.org/W2152754893","https://openalex.org/W2169561277","https://openalex.org/W2471238461","https://openalex.org/W2499471454","https://openalex.org/W2609663268","https://openalex.org/W2623577738","https://openalex.org/W2776810541","https://openalex.org/W2900637584","https://openalex.org/W2994664781","https://openalex.org/W3001511561","https://openalex.org/W3006922780","https://openalex.org/W3011078622","https://openalex.org/W3021536127","https://openalex.org/W3022050108","https://openalex.org/W3036636552","https://openalex.org/W3042470171","https://openalex.org/W3119891512","https://openalex.org/W3209130730","https://openalex.org/W4226323333","https://openalex.org/W4293582933","https://openalex.org/W4306399584","https://openalex.org/W4323569441","https://openalex.org/W4385986513","https://openalex.org/W4391489539","https://openalex.org/W4400258633","https://openalex.org/W4405847282"],"related_works":["https://openalex.org/W2624458100","https://openalex.org/W2698631597","https://openalex.org/W2553910376","https://openalex.org/W2026249326","https://openalex.org/W108044371","https://openalex.org/W2139500946","https://openalex.org/W4312056174","https://openalex.org/W175302239","https://openalex.org/W2770257166","https://openalex.org/W322261102"],"abstract_inverted_index":{"The":[0,41,163],"main":[1],"objective":[2],"of":[3,17,43,46,62,80,112,131,159,165,184],"this":[4,117],"work":[5],"is":[6],"to":[7,56,72,96,140,143,180,255],"characterise":[8],"sandwich":[9,49,83,141,189,195,219,227,245,268],"panels":[10,50,142,207],"with":[11,197,221,229,247],"carbon/epoxy":[12],"composite":[13,175,194,218,226],"skins":[14],"and":[15,26,37,53,77,110,123,128,155,210,224],"cores":[16,185],"different":[18,48,182],"materials":[19],"(Expanded":[20],"polystyrene":[21,200,250],"foam,":[22],"polyurethane":[23,27,231],"foam":[24,28,222,232],"injection":[25],"sample)":[29],"under":[30,38,51,68],"three-point":[31],"bending":[32,52,209],"tests":[33,168],"in":[34,187,208,236],"free/free":[35],"vibration":[36,54,145,211],"repeated":[39,69,214,257],"impact.":[40],"analysis":[42,67,88],"the":[44,47,58,66,74,78,81,86,166,181,188,193,205,217,225,241,244,265],"behavior":[45],"aims":[55,71],"determine":[57,73],"flexibility":[59],"or":[60],"stiffness":[61],"these":[63],"panels.":[64,84,190,269],"However,":[65],"impact":[70,215],"failure":[75],"modes":[76],"strength":[79],"three":[82],"Indeed,":[85,134],"damage":[87],"was":[89],"carried":[90],"out":[91],"using":[92,100],"piezoelectric":[93,115,137],"sensors":[94,138],"connected":[95],"an":[97,101,157,198,248],"acquisition":[98],"chain":[99],"advanced":[102],"signal":[103],"processing":[104],"technique,":[105],"which":[106],"allows":[107],"precise":[108],"detection":[109,118,130],"quantification":[111],"damage.":[113,133],"Using":[114],"technology,":[116],"system":[119],"ensures":[120],"structures\u2019":[121],"safety":[122],"reliability":[124],"by":[125],"allowing":[126],"early":[127],"accurate":[129],"potential":[132],"relying":[135],"on":[136],"bonded":[139],"capture":[144],"responses":[146],"can":[147],"improve":[148],"its":[149,160,253],"safety,":[150],"thus":[151],"reducing":[152],"maintenance":[153],"costs":[154],"ensuring":[156,260],"extension":[158],"service":[161],"life.":[162],"results":[164],"various":[167],"showed":[169,252],"that":[170],"carbon":[171],"fibre":[172],"resin":[173],"matrix":[174],"skin":[176],"offers":[177],"good":[178],"protection":[179],"types":[183],"used":[186],"In":[191,213],"addition,":[192],"panel":[196,220,228,246],"expanded":[199,249],"core":[201,223,233,251],"responded":[202],"better":[203],"than":[204,264],"other":[206,242,266],"tests.":[212],"tests,":[216],"injected":[230],"proved":[234],"effective":[235],"absorbing":[237],"initial":[238],"impacts.":[239],"On":[240],"hand,":[243],"ability":[254],"absorb":[256],"impacts":[258],"while":[259],"more":[261],"extended":[262],"degradation":[263],"two":[267]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2025-04-15T00:00:00"}
