Evaluation of yield strength by ultrasonic reconstruction of quadratic nonlinear Stress-Strain curve
DC Field | Value | Language |
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dc.contributor.author | Kim, Jongbeom | - |
dc.contributor.author | Kim, Chang-Soo | - |
dc.contributor.author | Kim, Kyung-Cho | - |
dc.contributor.author | Jhang, Kyung-Young | - |
dc.date.accessioned | 2021-08-02T09:26:43Z | - |
dc.date.available | 2021-08-02T09:26:43Z | - |
dc.date.created | 2021-05-12 | - |
dc.date.issued | 2020-06 | - |
dc.identifier.issn | 0963-8695 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/9740 | - |
dc.description.abstract | The ultrasonic nonlinearity parameter beta defined by the ratio of the second-order harmonic amplitude to the square of fundamental frequency amplitude, has been considered as a potential index to evaluate material degradation. However, the yield strength obtained from destructive tensile testing is still widely adopted for this purpose since it is a more intuitive concept to the field engineer than the parameter beta. Therefore, this study proposes a nondestructive method to evaluate the yield strength directly from the ultrasonic measurements. In this regard, the tensile stress-strain curve is represented in the form of a quadratic nonlinear stress-strain equation within the elastic range, which includes the linear elastic modulus and the second-order nonlinearity parameter beta(t). The linear elastic modulus is obtained by measuring the propagation velocity of longitudinal and transverse waves using a traditional ultrasonic pulse-echo method, and the second-order nonlinearity parameter is obtained by measuring the Murnaghan constants using acoustoelastic effects. Then, the tensile stress-strain curve is reconstructed to estimate the 0.01% offset yield strength. To demonstrate the application of the proposed algorithm, the experiments were performed for heat-treated SA508 specimens. The results indicate that the 0.01% offset yield strength obtained using the proposed algorithm exhibit a good agreement with that obtained via destructive tensile testing. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCI LTD | - |
dc.title | Evaluation of yield strength by ultrasonic reconstruction of quadratic nonlinear Stress-Strain curve | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Jhang, Kyung-Young | - |
dc.identifier.doi | 10.1016/j.ndteint.2020.102242 | - |
dc.identifier.scopusid | 2-s2.0-85080901256 | - |
dc.identifier.wosid | 000524367000001 | - |
dc.identifier.bibliographicCitation | NDT & E INTERNATIONAL, v.112, pp.1 - 6 | - |
dc.relation.isPartOf | NDT & E INTERNATIONAL | - |
dc.citation.title | NDT & E INTERNATIONAL | - |
dc.citation.volume | 112 | - |
dc.citation.startPage | 1 | - |
dc.citation.endPage | 6 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.isOpenAccess | N | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Characterization & Testing | - |
dc.subject.keywordPlus | NONDESTRUCTIVE ASSESSMENT | - |
dc.subject.keywordPlus | ELASTIC-MODULUS | - |
dc.subject.keywordPlus | ALLOY | - |
dc.subject.keywordAuthor | Nondestructive evaluation | - |
dc.subject.keywordAuthor | Yield strength | - |
dc.subject.keywordAuthor | Thermal aging | - |
dc.subject.keywordAuthor | Stress-strain curve | - |
dc.subject.keywordAuthor | Ultrasonic measurements | - |
dc.subject.keywordAuthor | Nonlinear ultrasonics | - |
dc.subject.keywordAuthor | Acoustoelasticity | - |
dc.identifier.url | https://www.sciencedirect.com/science/article/pii/S0963869519302452?via%3Dihub | - |
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