NDT InternationalPub Date : 1990-12-01DOI: 10.1016/0308-9126(90)90913-9
B. Auld, S. Jefferies, J. Moulder
{"title":"Eddy-current signal analysis and inversion for semielliptical surface cracks : Journal of nondestructive evaluation, Vol. 7, Nos 1–2, pp. 79–94 (Jun. 1988)","authors":"B. Auld, S. Jefferies, J. Moulder","doi":"10.1016/0308-9126(90)90913-9","DOIUrl":"https://doi.org/10.1016/0308-9126(90)90913-9","url":null,"abstract":"","PeriodicalId":100946,"journal":{"name":"NDT International","volume":"516 1","pages":"361"},"PeriodicalIF":0.0,"publicationDate":"1990-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73569295","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NDT InternationalPub Date : 1990-12-01DOI: 10.1016/0308-9126(90)90954-M
Sullivan S., Atherton D.L.
{"title":"Analysis of the remote-field eddy current effect in nonmagnetic tubes","authors":"Sullivan S., Atherton D.L.","doi":"10.1016/0308-9126(90)90954-M","DOIUrl":"10.1016/0308-9126(90)90954-M","url":null,"abstract":"","PeriodicalId":100946,"journal":{"name":"NDT International","volume":"23 6","pages":"Page 364"},"PeriodicalIF":0.0,"publicationDate":"1990-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0308-9126(90)90954-M","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"53741462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NDT InternationalPub Date : 1990-12-01DOI: 10.1016/0308-9126(90)90860-Q
P. Ciorau
{"title":"Critical comments on the use of X-rays and Ir-192 for detecting linear discontinuities","authors":"P. Ciorau","doi":"10.1016/0308-9126(90)90860-Q","DOIUrl":"https://doi.org/10.1016/0308-9126(90)90860-Q","url":null,"abstract":"<div><p>A notched IQI in nine variants was used to draw detectability curves (depth versus width) for steel specimens 6 to 48 mm in thickness, using X-ray and Ir-192 sources with appropriate focus sizes, and AGFA films D3, D4, D5 and D7. The crack detection index (CDI) of the slit IQI has a good correlation with the crack probability of detection (POD) for a CrMoV welded joint (28 mm thick) with induced thermo-mechanical cracks. POD depends on film type (± 10% class<sup>−1</sup>) and film density (±50% for optical density variation between <em>D</em> = 1.5 – 3.5). The major influences of unsharpness and irradiation angle upon POD are also presented. The difference in sensitivity between X-rays and Ir-192 gamma rays can be explained by ‘energy-unsharpness’ factor variation with thickness. A correlation between slit IQI parameter (depth = width) and DIN (wire) IQI diameter was found. An experimental formula between CDI and total unsharpness (<em>u</em><sub>t</sub>) for X-rays and film density <em>D</em> = 2.5 – 3.0 was also found: <em>Fu</em><sub>t.</sub><em>CDI</em> = 2.1, where <em>F</em> = 0.87–1.0 is a film factor.</p><p>Proposals for codes of good practice, to obtain good ‘crack sensitivity’ based on the presented data, are given.</p></div>","PeriodicalId":100946,"journal":{"name":"NDT International","volume":"23 6","pages":"Pages 345-350"},"PeriodicalIF":0.0,"publicationDate":"1990-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0308-9126(90)90860-Q","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72079971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NDT InternationalPub Date : 1990-12-01DOI: 10.1016/0308-9126(90)90886-S
Dodd C.V., Pate J.R., Deeds W.E.
{"title":"Eddy-current inversion of flaw data from flat-bottomed holes","authors":"Dodd C.V., Pate J.R., Deeds W.E.","doi":"10.1016/0308-9126(90)90886-S","DOIUrl":"https://doi.org/10.1016/0308-9126(90)90886-S","url":null,"abstract":"","PeriodicalId":100946,"journal":{"name":"NDT International","volume":"23 6","pages":"Page 359"},"PeriodicalIF":0.0,"publicationDate":"1990-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0308-9126(90)90886-S","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72080210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NDT InternationalPub Date : 1990-12-01DOI: 10.1016/0308-9126(90)90908-7
Gaillard P., Simard P., Colin N.
{"title":"Detection and investigation of defects in nondestructive testing by use of Foucault (eddy) currents (In French: English Abstract)","authors":"Gaillard P., Simard P., Colin N.","doi":"10.1016/0308-9126(90)90908-7","DOIUrl":"https://doi.org/10.1016/0308-9126(90)90908-7","url":null,"abstract":"","PeriodicalId":100946,"journal":{"name":"NDT International","volume":"23 6","pages":"Pages 360-361"},"PeriodicalIF":0.0,"publicationDate":"1990-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0308-9126(90)90908-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72097949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NDT InternationalPub Date : 1990-12-01DOI: 10.1016/0308-9126(90)90928-H
Koosha A.
{"title":"Eddy current methods for the detection of defects in boiler tubes","authors":"Koosha A.","doi":"10.1016/0308-9126(90)90928-H","DOIUrl":"https://doi.org/10.1016/0308-9126(90)90928-H","url":null,"abstract":"","PeriodicalId":100946,"journal":{"name":"NDT International","volume":"23 6","pages":"Page 362"},"PeriodicalIF":0.0,"publicationDate":"1990-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0308-9126(90)90928-H","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72048215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NDT InternationalPub Date : 1990-12-01DOI: 10.1016/0308-9126(90)90886-S
C. Dodd, J. Pate, W. Deeds
{"title":"NDT abstractEddy-current inversion of flaw data from flat-bottomed holes : Review of progress in quantitative nondestructive evaluation, Vol. 8A. Edited by D.C. Thompson and D.E. Chimenti, pp. 305–312. Plenum Press (1989), ISBN 0 306 43209 9","authors":"C. Dodd, J. Pate, W. Deeds","doi":"10.1016/0308-9126(90)90886-S","DOIUrl":"https://doi.org/10.1016/0308-9126(90)90886-S","url":null,"abstract":"","PeriodicalId":100946,"journal":{"name":"NDT International","volume":"19 1","pages":"359"},"PeriodicalIF":0.0,"publicationDate":"1990-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74839648","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NDT InternationalPub Date : 1990-12-01DOI: 10.1016/0308-9126(90)90912-8
L. Udpa, S. Udpa
{"title":"Solution of inverse problems in eddy-current nondestructive evaluation (NDE) : Journal of nondestructive evaluation, Vol. 7, Nos 1–2, pp. 111–120 (Jun. 1988)","authors":"L. Udpa, S. Udpa","doi":"10.1016/0308-9126(90)90912-8","DOIUrl":"https://doi.org/10.1016/0308-9126(90)90912-8","url":null,"abstract":"","PeriodicalId":100946,"journal":{"name":"NDT International","volume":"74 1","pages":"361"},"PeriodicalIF":0.0,"publicationDate":"1990-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77541098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}