Evaluation of micro-damage by acoustic methods

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dc.identifier.uri http://dx.doi.org/10.15488/4998
dc.identifier.uri https://www.repo.uni-hannover.de/handle/123456789/5042
dc.contributor.author Gerstein, Gregory
dc.contributor.author Briukhanov, Arkadii
dc.contributor.author Gutknecht, Florian
dc.contributor.author Volchok, Natalia
dc.contributor.author Clausmeyer, Till
dc.contributor.author Nürnberger, Florian
dc.contributor.author Tekkaya, A. Erman
dc.contributor.author Maier, Hans Jürgen
dc.date.accessioned 2019-06-26T06:32:26Z
dc.date.available 2019-06-26T06:32:26Z
dc.date.issued 2018
dc.identifier.citation Gerstein, Gregory; Briukhanov, Arkadii; Gutknecht, Florian; Volchok, Natalia; Clausmeyer, Till et al.: Evaluation of micro-damage by acoustic methods. In: Procedia Manufacturing 15 (2018), S. 527-534. DOI: https://doi.org/10.1016/j.promfg.2018.07.273
dc.description.abstract Several methods for the determination of integral damage in sheet metal are reviewed and investigated at the example of the ferritic steel DC04. A novel method to determine damage in cylindrical rings is proposed. Such a method is useful for the measurement of damage in components manufactured by sheet-bulk forming. In sheet-bulk-forming or precision forging sheets with a thickness in the range of 1-5 mm are processed by making use of an intended three-dimensional material flow to form toothed components such as gears. Damage leads to the modification of physical properties, such as Young’s modulus and the related resonance frequency. Young’s moduli were determined by various methods such as tensile tests and the frequency of natural oscillations of rectangular samples as well as cylindrical rings. Additionally, the change in the propagation velocity of ultrasonic waves in rectangular bars was examined as a damage criterion and reference measurements of damage by electron microscopy were carried out. The damage values obtained by electron microscopy are consistent with the results of the other investigated methods. eng
dc.language.iso eng
dc.publisher Amsterdam : Elsevier B.V.
dc.relation.ispartofseries Procedia Manufacturing 15 (2018)
dc.rights CC BY-NC-ND 4.0 Unported
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject Resonance eng
dc.subject Ultimate tensile strength eng
dc.subject Ferrite (iron) eng
dc.subject Composite material eng
dc.subject Material flow eng
dc.subject Materials science eng
dc.subject Sheet metal eng
dc.subject Ultrasonic sensor eng
dc.subject Electron microscope eng
dc.subject Forging eng
dc.subject.ddc 620 | Ingenieurwissenschaften und Maschinenbau ger
dc.title Evaluation of micro-damage by acoustic methods
dc.type Article
dc.type Text
dc.relation.issn 2351-9789
dc.relation.doi https://doi.org/10.1016/j.promfg.2018.07.273
dc.bibliographicCitation.volume 15
dc.bibliographicCitation.firstPage 527
dc.bibliographicCitation.lastPage 534
dc.description.version publishedVersion
tib.accessRights frei zug�nglich

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