COMPARATIVE STUDY OF “5MHz10×10A65” PROBE AND “5MHz10×10A70” PROBE USED IN ULTRASONIC TESTING FOR AW SPECIMEN

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  • AW検定試験の試験体を用いた5MHz10×10A65と5MHz10×10A70の比較
  • AW ケンテイ シケン ノ シケンタイ オ モチイタ 5MHz10 × 10A65 ト 5MHz10 × 10A70 ノ ヒカク
  • COMPARATIVE STUDY OF “5MHz10×10A65” PROBE AND “5MHz10×10A70” PROBE USED IN ULTRASONIC TESTING FOR AW SPECIMEN

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According to the AIJ inspection standards of steel welding using ultrasonic testing, the standard angles of the probe are either 65 degrees or 70 degrees, but there are no official rules which probe should be used. In practical use, the 70 degrees probe is often used even though it is said that the 65 degrees probe is much superior in flaw detection.<br>We carried out an experiment to compare detection performance between “5MHz10×10A65” probe and “5MHz10×10A70” probe using AW specimen with internal flaw.<br>As a result, we found out that there were no distinct differences between the probes.

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