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Acceptance Criteria for Ultrasonic Testing
How to interpret Acceptance Criteria for Ultrasonic Testing as per AWS D1.1 The Requirements of Ultrasonic Flaw detector equipment as per AWS D1.1 Structural Steel Welding code is given below: Equipment: The ultrasonic equipment’s shall be pulse echo type ‘A’ scan suitable for use with transducers…
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Non Relevant Ultrasonic Indications
Non relevant Ultrasonic Indications can usually be identified as one of the following: Electrical Interference Interference form the transducer (search unit) Interference form the surface of the specimen Interference caused by mode conversion of the sound beam Interference caused by the shape of the…
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ISO Standards for Ultrasonic Testing
Ultrasonic Testing In Ultrasonic Testing we use something called “Ultrasonic Vibrations” we must know two facts about a vibration: A vibration is a back and forth movement. A vibration is energy in motion A depression of a surface from its normal position is called a displacement.
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Ultrasonic testing Couplants
A study on the couplant effects in contact ultrasonic testing. The primary purpose of a couplant is to provide a suitable sound path between the transducer and the test surface.Ultrasonic Testing couplants usage can be seen here A couplant must effectively wet or totally…
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What is Ultrasonic Thickness Testing ?
Ultrasonic Testing Ultrasonic Testing utilizes high frequency sound waves which are not audible to human ears. The Ultrasonic sound waves are used for measurements of thickness of any material. General frequency used in ultrasonic thickness measurements probe is 5 Mega Hertz and above. The probe is placed over…
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Principle of Ultrasonic Testing
This blog will let you know about the principle of Ultrasonic testing What is Ultrasonic Testing? Ultrasonic Testing Uses high frequency sound energy to conduct examinations & make measurements. It can be used for flaw detection, Dimensional measurements.
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What is Gamma Radiography Testing ?
What is Gamma Radiography Testing? Gamma rays are produced by a radio isotope. A radioisotope has an unstable nuclei that does not have enough binding energy to hold the nucleus together. The spontaneous breakdown of an atomic nucleus resulting in the release of energy…
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Ultrasonic Testing for materials
What is Ultrasonic Testing? ULTRASONIC TESTING is a method for sending ultrasound into material and analyzing the returning sound waves for defect free components. It use scanning devices called probes. After application of Couplant over the material surface probe is place over the material. The sound travels…
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