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Abstract
I am working for Bao steel-special steel Company, I have been arranged as a ultrasonic operator for many years. Testing titanium alloy is very meticulously, normally the isolate is ¦µ0.6¡«§¶0.8mm©psignal-to-noise ratio¦µ0.6-12dB¡«§¶0.8-12dB¡£It is difficult to find the way to inspect and judge the defect that is hidden in grass when we do ultrasonic testing for titanium alloy. Currently£¬it is hard to achieve whatever it is use modern digital instrument or analogue instrument ; Whatever we use immersion testing or direct contact method. Now I would like to study and discuss it based on experience and knowledge I have learnt.
Keywords: Titanium alloy, Ultrasonic, Signal-to-noise ratio, Grass, Button echo
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