{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,14]],"date-time":"2026-07-14T22:23:37Z","timestamp":1784067817404,"version":"3.55.0"},"reference-count":49,"publisher":"MDPI AG","issue":"1","license":[{"start":{"date-parts":[[2022,12,20]],"date-time":"2022-12-20T00:00:00Z","timestamp":1671494400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Natural Science Foundation of China","award":["12022208"],"award-info":[{"award-number":["12022208"]}]},{"name":"National Natural Science Foundation of China","award":["11972021"],"award-info":[{"award-number":["11972021"]}]},{"name":"National Natural Science Foundation of China","award":["11832007"],"award-info":[{"award-number":["11832007"]}]},{"name":"National Natural Science Foundation of China","award":["HG2022148"],"award-info":[{"award-number":["HG2022148"]}]},{"name":"SCU-NPIC Program","award":["12022208"],"award-info":[{"award-number":["12022208"]}]},{"name":"SCU-NPIC Program","award":["11972021"],"award-info":[{"award-number":["11972021"]}]},{"name":"SCU-NPIC Program","award":["11832007"],"award-info":[{"award-number":["11832007"]}]},{"name":"SCU-NPIC Program","award":["HG2022148"],"award-info":[{"award-number":["HG2022148"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Materials"],"abstract":"<jats:p>The very high cycle fatigue (VHCF) problems of thin-plate structures are usually caused by high-frequency vibrations. This paper proposes an accelerated fatigue test method based on ultrasonic loading technology in order to develop a feasible bending testing method and explore the bending fatigue characteristics of thin-plate structures in the VHCF regime. A new bending fatigue specimen with an intrinsic frequency of 20 kHz was designed based on cantilever bending through finite element simulation. It was verified by the axial load test with R = \u22121. The results showed that the method could effectively transfer the dangerous cross-section at the first-order cantilever bending restraint to the internal part of the specimen, thereby making the fracture location independent of the complex stresses. The linear relationship between the vibration amplitude and the maximum stress was also verified using strain measurements. Furthermore, the S-N curves and fracture morphology for different loading types were consistent with conventional studies to a certain extent, which indicated that the design of the bending test model was reasonable.<\/jats:p>","DOI":"10.3390\/ma16010005","type":"journal-article","created":{"date-parts":[[2022,12,20]],"date-time":"2022-12-20T04:45:53Z","timestamp":1671511553000},"page":"5","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["A Novel Ultrasonic Fatigue Test and Application in Bending Fatigue of TC4 Titanium Alloy"],"prefix":"10.3390","volume":"16","author":[{"given":"Sen","family":"Tang","sequence":"first","affiliation":[{"name":"School of Mechanical Engineering, Chengdu University, Chengdu 610106, China"},{"name":"Failure Mechanics and Engineering Disaster Prevention Key Laboratory of Sichuan Province, Sichuan University, Chengdu 610065, China"},{"name":"Institute for Advanced Study, Chengdu University, Chengdu 610106, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xinyu","family":"Wang","sequence":"additional","affiliation":[{"name":"Failure Mechanics and Engineering Disaster Prevention Key Laboratory of Sichuan Province, Sichuan University, Chengdu 610065, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beihai","family":"Huang","sequence":"additional","affiliation":[{"name":"Failure Mechanics and Engineering Disaster Prevention Key Laboratory of Sichuan Province, Sichuan University, Chengdu 610065, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dongtong","family":"Yang","sequence":"additional","affiliation":[{"name":"Failure Mechanics and Engineering Disaster Prevention Key Laboratory of Sichuan Province, Sichuan University, Chengdu 610065, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3333-6814","authenticated-orcid":false,"given":"Lang","family":"Li","sequence":"additional","affiliation":[{"name":"Failure Mechanics and Engineering Disaster Prevention Key Laboratory of Sichuan Province, Sichuan University, Chengdu 610065, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2908-0986","authenticated-orcid":false,"given":"Chao","family":"He","sequence":"additional","affiliation":[{"name":"Failure Mechanics and Engineering Disaster Prevention Key Laboratory of Sichuan Province, Sichuan University, Chengdu 610065, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bo","family":"Xu","sequence":"additional","affiliation":[{"name":"Failure Mechanics and Engineering Disaster Prevention Key Laboratory of Sichuan Province, Sichuan University, Chengdu 610065, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yongjie","family":"Liu","sequence":"additional","affiliation":[{"name":"Failure Mechanics and Engineering Disaster Prevention Key Laboratory of Sichuan Province, Sichuan University, Chengdu 610065, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0631-7100","authenticated-orcid":false,"given":"Chong","family":"Wang","sequence":"additional","affiliation":[{"name":"Failure Mechanics and Engineering Disaster Prevention Key Laboratory of Sichuan Province, Sichuan University, Chengdu 610065, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qingyuan","family":"Wang","sequence":"additional","affiliation":[{"name":"School of Mechanical Engineering, Chengdu University, Chengdu 610106, China"},{"name":"Failure Mechanics and Engineering Disaster Prevention Key Laboratory of Sichuan Province, Sichuan University, Chengdu 610065, China"},{"name":"Institute for Advanced Study, Chengdu University, Chengdu 610106, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,12,20]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"599","DOI":"10.1111\/j.1460-2695.2008.01257.x","article-title":"The effect of frequency on the giga-cycle fatigue properties of a Ti-6Al-4V alloy","volume":"31","author":"Takeuchi","year":"2008","journal-title":"Fatigue Fract. 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