Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.cirp.2010.03.094
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dc.titleExtrusion-like chip formation mechanism and its role in suppressing void nucleation
dc.contributor.authorWoon, K.S.
dc.contributor.authorRahman, M.
dc.date.accessioned2014-06-17T06:21:13Z
dc.date.available2014-06-17T06:21:13Z
dc.date.issued2010
dc.identifier.citationWoon, K.S., Rahman, M. (2010). Extrusion-like chip formation mechanism and its role in suppressing void nucleation. CIRP Annals - Manufacturing Technology 59 (1) : 129-132. ScholarBank@NUS Repository. https://doi.org/10.1016/j.cirp.2010.03.094
dc.identifier.issn00078506
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/60270
dc.description.abstractThe mechanism of chip formation transforms from concentrated shearing to an extrusion-like behavior at a critical combination of undeformed chip thickness and tool edge radius. Finite element analysis shows that material is removed by severe deviatoric stress within the boundary of elastic-plastic deformation during extrusion-like chip formation while this boundary is constantly redistributed to accommodate chip growth. Simultaneously, the deformation region is contained within active compressive components and hydrostatic pressure as chips are extruded. Under such operating conditions, void nucleation is prevented according to the Le-Chatelier's principle. Exceptional surface finish was produced experimentally through the extrusion-like chip formation mechanism. © 2010 CIRP.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.cirp.2010.03.094
dc.sourceScopus
dc.subjectMechanism
dc.subjectMicromachining
dc.subjectTool edge radius
dc.typeArticle
dc.contributor.departmentMECHANICAL ENGINEERING
dc.description.doi10.1016/j.cirp.2010.03.094
dc.description.sourcetitleCIRP Annals - Manufacturing Technology
dc.description.volume59
dc.description.issue1
dc.description.page129-132
dc.description.codenCIRAA
dc.identifier.isiut000280115100031
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