{"id":"https://openalex.org/W789290233","doi":null,"title":"Detection of fatigue cracks by nondestructive testing methods","display_name":"Detection of fatigue cracks by nondestructive testing methods","publication_year":1973,"publication_date":"1973-03-01","ids":{"openalex":"https://openalex.org/W789290233","mag":"789290233"},"language":"en","primary_location":{"id":"mag:789290233","doi":null,"is_oa":false,"landing_page_url":"https://ntrs.nasa.gov/api/citations/19730016174/downloads/19730016174.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306402118","display_name":"NASA Technical Reports Server (NASA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210124779","host_organization_name":"National Aeronautics and Space Administration","host_organization_lineage":["https://openalex.org/I4210124779"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5006805264","display_name":"Robyn Anderson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1343953105","display_name":"General Dynamics (United States)","ror":"https://ror.org/05pyq8e17","country_code":"US","type":"company","lineage":["https://openalex.org/I1343953105"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Robyn Anderson","raw_affiliation_strings":["General Dynamics/Electronics San Diego, CA, United States"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"General Dynamics/Electronics San Diego, CA, United States","institution_ids":["https://openalex.org/I1343953105"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042223001","display_name":"T. J. DeLacy","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"T. J. DeLacy","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5031823348","display_name":"R. C. Stewart","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. C. Stewart","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.27252478,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":96},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12169","display_name":"Non-Destructive Testing Techniques","score":0.9843999743461609,"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"}},"topics":[{"id":"https://openalex.org/T12169","display_name":"Non-Destructive Testing Techniques","score":0.9843999743461609,"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/T10396","display_name":"Fatigue and fracture mechanics","score":0.009800000116229057,"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/T10662","display_name":"Ultrasonics and Acoustic Wave Propagation","score":0.0027000000700354576,"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/fatigue-crack-detection","display_name":"fatigue crack detection","score":0.9229999780654907},{"id":"https://openalex.org/keywords/non-destructive-testing","display_name":"non-destructive testing","score":0.7960000038146973},{"id":"https://openalex.org/keywords/aluminum-sheet","display_name":"aluminum sheet","score":0.9200000166893005},{"id":"https://openalex.org/keywords/eddy-current-testing","display_name":"eddy current testing","score":0.8560000061988831},{"id":"https://openalex.org/keywords/ultrasonic-testing","display_name":"ultrasonic testing","score":0.9860000014305115},{"id":"https://openalex.org/keywords/industrial-radiography","display_name":"radiographic testing","score":0.8799999952316284},{"id":"https://openalex.org/keywords/penetrant-testing","display_name":"penetrant testing","score":0.9599999785423279},{"id":"https://openalex.org/keywords/holographic-interferometry","display_name":"holographic interferometry","score":0.9959999918937683},{"id":"https://openalex.org/keywords/acoustic-emission-monitoring","display_name":"acoustic emission monitoring","score":0.9760000109672546},{"id":"https://openalex.org/keywords/etching","display_name":"etching","score":0.6539999842643738},{"id":"https://openalex.org/keywords/proof-loading","display_name":"proof loading","score":0.9800000190734863}],"concepts":[{"id":"https://openalex.org/C56529433","wikidata":"https://www.wikidata.org/wiki/Q626700","display_name":"Nondestructive testing","level":2,"score":0.9587771892547607},{"id":"https://openalex.org/C2779335537","wikidata":"https://www.wikidata.org/wiki/Q7162617","display_name":"Penetrant (biochemical)","level":2,"score":0.8374489545822144},{"id":"https://openalex.org/C131357438","wikidata":"https://www.wikidata.org/wiki/Q208598","display_name":"Eddy current","level":2,"score":0.5536278486251831},{"id":"https://openalex.org/C81288441","wikidata":"https://www.wikidata.org/wiki/Q20736125","display_name":"Ultrasonic sensor","level":2,"score":0.5174708962440491},{"id":"https://openalex.org/C139730468","wikidata":"https://www.wikidata.org/wiki/Q1779355","display_name":"Ultrasonic testing","level":3,"score":0.491432785987854},{"id":"https://openalex.org/C6441794","wikidata":"https://www.wikidata.org/wiki/Q1420867","display_name":"Eddy-current testing","level":3,"score":0.4811598062515259},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4273066520690918},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.3885002136230469},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.34964919090270996},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2511709928512573},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.06910619139671326},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.0},{"id":"https://openalex.org/C150903083","wikidata":"https://www.wikidata.org/wiki/Q7108","display_name":"Biotechnology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:789290233","doi":null,"is_oa":false,"landing_page_url":"https://ntrs.nasa.gov/api/citations/19730016174/downloads/19730016174.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306402118","display_name":"NASA Technical Reports Server (NASA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210124779","host_organization_name":"National Aeronautics and Space Administration","host_organization_lineage":["https://openalex.org/I4210124779"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7056172811","https://openalex.org/W10280635","https://openalex.org/W1988249374","https://openalex.org/W3031487103","https://openalex.org/W3089106597","https://openalex.org/W2613585556","https://openalex.org/W827007237","https://openalex.org/W6999312351","https://openalex.org/W197178502","https://openalex.org/W2318296275"],"abstract_inverted_index":{"The":[0,21,46,88,104],"effectiveness":[1],"was":[2,93,137],"assessed":[3],"of":[4,38,64,78,90,131,165],"various":[5],"NDT":[6,25,28,44,71,106,167],"methods":[7,26,107,123,168],"to":[8,60],"detect":[9],"small":[10],"tight":[11],"cracks":[12,17],"by":[13,41,50,95,139],"randomly":[14],"introducing":[15],"fatigue":[16,31],"into":[18],"aluminum":[19],"sheets.":[20],"study":[22],"included":[23],"optimizing":[24],"calibrating":[27],"equipment":[29],"with":[30,55],"cracked":[32,39],"standards,":[33],"and":[34,82,113,121,144],"evaluating":[35],"a":[36,128],"number":[37,130],"specimens":[40,75],"the":[42,62,70,73,79,85,97,101,134,163,166],"optimized":[43],"methods.":[45],"evaluations":[47],"were":[48,109,124],"conducted":[49],"highly":[51],"trained":[52],"personnel,":[53],"provided":[54,148],"detailed":[56],"procedures,":[57],"in":[58],"order":[59],"minimize":[61],"effects":[63],"human":[65],"variability.":[66],"These":[67],"personnel":[68],"performed":[69],"on":[72,84,127],"test":[74],"without":[76],"knowledge":[77],"flaw":[80,156],"locations":[81],"reported":[83],"flaws":[86,98,102],"detected.":[87],"performance":[89,136],"these":[91],"tests":[92],"measured":[94],"comparing":[96],"detected":[99],"against":[100],"present.":[103],"principal":[105],"utilized":[108],"radiographic,":[110],"ultrasonic,":[111,142],"penetrant,":[112],"eddy":[114,140],"current.":[115],"Holographic":[116],"interferometry,":[117],"acoustic":[118],"emission":[119],"monitoring,":[120],"replication":[122],"also":[125],"applied":[126],"reduced":[129],"specimens.":[132],"Generally,":[133],"best":[135],"shown":[138,160],"current,":[141],"penetrant":[143],"holographic":[145],"tests.":[146],"Etching":[147],"no":[149],"measurable":[150],"improvement,":[151],"while":[152],"proof":[153],"loading":[154],"improved":[155],"detectability.":[157],"Data":[158],"are":[159],"that":[161],"quantify":[162],"performances":[164],"applied.":[169]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":2}],"updated_date":"2026-11-01T11:40:01.658920","created_date":"2016-06-24T00:00:00"}