The cause of the uncertainty of the elastic limit

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dc.contributor.author Prohaszka, J en
dc.contributor.author Mamalis, AG en
dc.contributor.author Gaal, Z en
dc.date.accessioned 2014-03-01T01:58:50Z
dc.date.available 2014-03-01T01:58:50Z
dc.date.issued 2009 en
dc.identifier.issn 17555817 en
dc.identifier.uri http://hdl.handle.net/123456789/28746
dc.subject Anisotropy en
dc.subject Elastic limit en
dc.subject Elastic modulus en
dc.subject Plastic deformation en
dc.subject Polycrystalline material en
dc.subject Shear stress en
dc.subject.other Elastic limit en
dc.subject.other Engineering practices en
dc.subject.other Material property en
dc.subject.other Metallic material en
dc.subject.other Yield strength en
dc.subject.other Anisotropy en
dc.subject.other Elastic moduli en
dc.subject.other Materials en
dc.subject.other Photoresists en
dc.subject.other Plastic deformation en
dc.subject.other Shear stress en
dc.subject.other Single crystals en
dc.subject.other Strength of materials en
dc.subject.other Surface properties en
dc.subject.other Surface roughness en
dc.subject.other Polycrystalline materials en
dc.title The cause of the uncertainty of the elastic limit en
heal.type journalArticle en
heal.identifier.primary 10.1016/j.cirpj.2009.09.002 en
heal.identifier.secondary http://dx.doi.org/10.1016/j.cirpj.2009.09.002 en
heal.publicationDate 2009 en
heal.abstract The uncertainty of the elastic limit of metallic materials may cause inconvenience for the designers, therefore, the conventional yield strength is used for dimensioning in engineering practice. Today, it is not yet possible to measure the elastic limit with acceptable accuracy, since the elastic limit of every sample varies, due to the microstructure of polycrystalline materials. In this paper we try to confirm that the elastic limit can be considered only as a theoretical material property and to determine the reason for the uncertainty of the elastic limit. We found that the anisotropy of the elastic modulus very strongly influences the uncertainty of the elastic limit of the materials. These uncertainties cause problems during manufacturing, for instance in cases where the surface roughness is an important requirement, because the quality of the surface roughness is degraded by this phenomenon. © 2009 CIRP. en
heal.journalName CIRP Journal of Manufacturing Science and Technology en
dc.identifier.doi 10.1016/j.cirpj.2009.09.002 en
dc.identifier.volume 2 en
dc.identifier.issue 1 en
dc.identifier.spage 70 en
dc.identifier.epage 74 en

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