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dc.contributor.author오제훈-
dc.date.accessioned2023-07-14T01:50:44Z-
dc.date.available2023-07-14T01:50:44Z-
dc.date.issued2022-01-
dc.identifier.citationENGINEERING FAILURE ANALYSIS, v. 131, article no. 105841, Page. 1-13-
dc.identifier.issn1350-6307;1873-1961-
dc.identifier.urihttps://www.sciencedirect.com/science/article/pii/S1350630721007020?via%3Dihuben_US
dc.identifier.urihttps://repository.hanyang.ac.kr/handle/20.500.11754/183642-
dc.description.abstractBolts tend to show different fatigue behavior with respect to the size or shape of a bolt and the level of preload though it is the same material. This makes it difficult to predict the fatigue life of bolts. In this study, a novel method to construct a unified stress-life (S-N) curve was proposed for the three different bolts with different sizes and lengths subjected to various external axial loading conditions and preloads, ranging from 44 % to 88% of the ultimate tensile stress. A total of 133 experiments for 46 different fatigue conditions were conducted and finite element analysis was also performed to calculate multiaxial stress components at the root of the thread. The fatigue characteristics of the bolts were investigated depending on various loading conditions, and the life prediction performance with fitted S-N curves was compared with respect to four mean stress correction models. The unified S-N curve showed high accuracy in life prediction; 15 % mean absolute error without exceeding +/- 50 % for finite life loading conditions.-
dc.description.sponsorshipHyundai NGV; Hyundai Motor Company; Korea Institute of Energy Technology Evaluation and Planning (KETEP) from the Ministry of Trade, Industry and Energy [20194010201740]-
dc.languageen-
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD-
dc.subjectBolt-
dc.subjectFatigue life-
dc.subjectFinite element method-
dc.subjectLife prediction-
dc.subjectS-N curve-
dc.titleUnified fatigue life prediction of bolts with different sizes and lengths under various axial loading conditions-
dc.typeArticle-
dc.relation.volume131-
dc.identifier.doi10.1016/j.engfailanal.2021.105841-
dc.relation.page1-13-
dc.relation.journalENGINEERING FAILURE ANALYSIS-
dc.contributor.googleauthorNam, Juhyun-
dc.contributor.googleauthorKim, Dongwon-
dc.contributor.googleauthorKim, Kyungjae-
dc.contributor.googleauthorChoi, Sungwon-
dc.contributor.googleauthorOh, Je Hoon-
dc.sector.campusE-
dc.sector.daehak공학대학-
dc.sector.department기계공학과-
dc.identifier.pidjehoon-
dc.identifier.article105841-
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MECHANICAL ENGINEERING(기계공학과) > Articles
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