{"title":"Fatigue Damages Evaluation of the Ni-Based Alloy via AE Monitoring under the High-Cyclic Loading","authors":"Sergiy Bezhenov, Roman Sukhonos","doi":"10.1016/j.prostr.2024.04.092","DOIUrl":null,"url":null,"abstract":"<div><p>In the paper, there were presented the studies of the process of Ni-based specimens fatigue fracture by means of registration of the AE parameters in various frequency bandwidths. There were investigated the samples made of the high-temperature strength vacuum-arc-melted Ni-alloy. During the fatigue tests the count rate of AE signals were recorded simultaneously in three frequency bands. The experimental results have shown that the specimens having various processing inheritance, being tested on different load levels of high-cycle fatigue, had identical type of the AE count rate distribution. The specific changes of the AE count rate in various frequency bandwidths determine the certain stages of the fatigue failure.</p></div>","PeriodicalId":20518,"journal":{"name":"Procedia Structural Integrity","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2452321624004086/pdf?md5=dce33141fe8cd2869eb761d762f1cfad&pid=1-s2.0-S2452321624004086-main.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Procedia Structural Integrity","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2452321624004086","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
In the paper, there were presented the studies of the process of Ni-based specimens fatigue fracture by means of registration of the AE parameters in various frequency bandwidths. There were investigated the samples made of the high-temperature strength vacuum-arc-melted Ni-alloy. During the fatigue tests the count rate of AE signals were recorded simultaneously in three frequency bands. The experimental results have shown that the specimens having various processing inheritance, being tested on different load levels of high-cycle fatigue, had identical type of the AE count rate distribution. The specific changes of the AE count rate in various frequency bandwidths determine the certain stages of the fatigue failure.
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