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Acoustic emission (AE) is a dynamic nondestructive measuring and testing method, which is widely used in safety and integrity evaluation of structure and material. This paper investigates the relationship of micro cracking process of the pipeline material and acoustic emission phenomenon in detail, and establishes the connection between micro cracking of the material and AE counts. Experiments were...
This paper investigates the use of acoustic emission (AE) for simulated crack in a stainless steel pipeline. An approach to liner sound source localization in pipeline using two or more acoustic sensors is described, and rules to define timing parameters - peak definition time (PDT), Hit definition time (HDT) and Hit lockout time (HLT) of acoustic emission signal is studied in order to improve the...
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