{"title":"利用磁传感器阵列检测管道裂缝","authors":"Jungmin Kim, Myoungki Choi, Jinyi Lee","doi":"10.1109/SAS.2011.5739790","DOIUrl":null,"url":null,"abstract":"An NDT method for detecting cracks in a rotor bore is proposed. A linearly integrated Hall sensor array (LIHaS) with a small yoke-type magnetizer measures the distribution of a magnetic field (DMF) in a rotor bore. The crack information is then extracted by analyzing the DMF. In the sample test, an axis-directional crack and an arc-directional crack with the length of 0.9mm was detected with the width of the crack at 0.1mm. The cracks had depths of 0.2mm and 0.5mm, respectively.","PeriodicalId":401849,"journal":{"name":"2011 IEEE Sensors Applications Symposium","volume":"5 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Employing magnetic sensor array for inspecting cracks in a pipeline\",\"authors\":\"Jungmin Kim, Myoungki Choi, Jinyi Lee\",\"doi\":\"10.1109/SAS.2011.5739790\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An NDT method for detecting cracks in a rotor bore is proposed. A linearly integrated Hall sensor array (LIHaS) with a small yoke-type magnetizer measures the distribution of a magnetic field (DMF) in a rotor bore. The crack information is then extracted by analyzing the DMF. In the sample test, an axis-directional crack and an arc-directional crack with the length of 0.9mm was detected with the width of the crack at 0.1mm. The cracks had depths of 0.2mm and 0.5mm, respectively.\",\"PeriodicalId\":401849,\"journal\":{\"name\":\"2011 IEEE Sensors Applications Symposium\",\"volume\":\"5 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-03-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2011 IEEE Sensors Applications Symposium\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SAS.2011.5739790\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 IEEE Sensors Applications Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SAS.2011.5739790","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Employing magnetic sensor array for inspecting cracks in a pipeline
An NDT method for detecting cracks in a rotor bore is proposed. A linearly integrated Hall sensor array (LIHaS) with a small yoke-type magnetizer measures the distribution of a magnetic field (DMF) in a rotor bore. The crack information is then extracted by analyzing the DMF. In the sample test, an axis-directional crack and an arc-directional crack with the length of 0.9mm was detected with the width of the crack at 0.1mm. The cracks had depths of 0.2mm and 0.5mm, respectively.
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