| 摘要 |
PROBLEM TO BE SOLVED: To make acquirable an echor, which is scattered over a wide range three-dimensionally, caused by three-dimensional shape flaws or a planar flaw, having inclination in test surface in the ultrasonic flaw detection of the flaw of a steel sheet welded part or the like. SOLUTION: This ultrasonic tandem multi-array flaw detector 20 is constituted by being equipped with a multi-tandem multi-array probe 10, wherein transmission/reception probes P1-P15 are arranged in a matrix form and are constituted so as to detect the flaw of the steel sheet welded part or the like. The probes P1-P15 are constituted so as to detect ultrasonic waves transmitted from another probes, arranged at least in different rows and in different columns. COPYRIGHT: (C)2005,JPO&NCIPI
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