发明名称 |
Process for ultrasonic testing of cylindrical pieces |
摘要 |
Procedure uses a multi-element ultrasonic transducer with two different modes for detecting defects within a test sample. The two modes are electronic and time of flight focussing. The mode selected depends on the depth within the sample being tested. For areas around the center of the cylinder time of flight mode is used, while for areas between the periphery and the central region electronic.
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申请公布号 |
EP0959350(A1) |
申请公布日期 |
1999.11.24 |
申请号 |
EP19990401106 |
申请日期 |
1999.05.06 |
申请人 |
SOCIETE NATIONALE D'ETUDE ET DE |
发明人 |
BEFFY, LIONEL;FINK, ALEXANDRE MATHIAS;MANGENET, GERARD YVES;MIETTE, VERONIQUE;WU, FRANCOIS JEAN |
分类号 |
G01N29/04;G01N29/26;G01N29/28;G01N29/30;G01N29/34;G01N33/20;(IPC1-7):G01N29/26;G10K11/34 |
主分类号 |
G01N29/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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