CONTACT MEDIUM FOR ULTRASONIC FLAW DETECTION, ULTRASONIC INSPECTING APPARATUS WITH SAME, AND CONTACT TYPE ULTRASONIC INSPECTING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a high-temperature contact medium which can be used to inspect an internal defect of an object to be measured under a high-temperature condition, and to provide a method and an apparatus for ultrasonic flaw detection using the contact medium.;SOLUTION: The high-temperature contact medium is a contact medium for ultrasonic flaw detection including a high-temperature molten metal at least a portion of which is in the liquid state at a temperature in the range of 300-1,200°C, and a low-temperature molten metal having the melting point of 100°C or less and the boiling point of 200°C or more. The contact medium (high-temperature measurement-use contact medium) 3 is attached to the head of a probe 1, and the probe 1 is made opposite to the object to be measured 4 through the high-temperature measurement-use contact medium 3. Since the contact medium 3 can be in close contact with both the probe 1 and the object to be measured 4 under the high-temperature condition, a flaw detection can be carried out precisely even under the high-temperature condition.;COPYRIGHT: (C)2006,JPO&NCIPI