Phased Array Technology (PAUT): PAUT is a very useful tool for evaluation of HIC damage, either using a 0° Linear Scan Technique or the more familiar Sectorial Scan (-30° to + 30°). …

detailed PAUT inspection with combined angular and straight beams successfully revealed that the specific clusters were not just typical lamination inside the metal but an early stage of HIC …

Microcracks brought on by HIC that would not be visible to the unaided eye or identifiable using conventional NDT techniques can be found utilizing PAUT. Early HIC detection can lower …

use of phased array ultrasonic testing (PAUT) could be a solution to avoid missed testing and misjudgment. This study introduces technical requirements, testing plan, testing process and …

Ultrasonic crack detection and sizing is an essential tool in determining the asset integrity of pressure vessels and piping. Conventional UT shear wave methods have proved to be time …

2022年6月28日 · The article is devoted to the investigation of ultrasonic inspection techniques suitable for detecting hydrogen-induced cracking (HIC) and a high-temperature hydrogen …

Hydrogen Induced Cracking (HIC), Step Wise Cracking (SWC), Stress Oriented Hydrogen Induced Cracking (SOHIC) are different morphologies of HDM. Failure in Detection, sizing and …

PAUT enables inspection of thin walled piping by providing semi-automated data collection. The low-profile scanner is specifically designed for use on small bore piping where minimal …

2020年5月18日 · 石化設備長年操作後，若設備內部有氫氣存在，設備胴體壁板容易發生氫引裂現象，若以超音波探傷方式會發現胴體壁厚方向出現多支回波訊號，但無法判定這些離散裂紋訊 …

Phased array ultrasonic testing (PAUT) is an ultrasonic non-destructive testing (NDT) technique that uses the principles of wave interference and technology to inspect different materials for …