Please use this identifier to cite or link to this item: https://doi.org/10.1504/IJNM.2009.027425
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dc.titleNumerical and experimental analysis of the tool edge radius effect in micromachining of ferrous materials
dc.contributor.authorWoon, K.-S.
dc.contributor.authorRahman, M.
dc.contributor.authorLiu, K.
dc.date.accessioned2014-06-17T06:28:53Z
dc.date.available2014-06-17T06:28:53Z
dc.date.issued2009
dc.identifier.citationWoon, K.-S.,Rahman, M.,Liu, K. (2009). Numerical and experimental analysis of the tool edge radius effect in micromachining of ferrous materials. International Journal of Nanomanufacturing 3 (3) : 189-211. ScholarBank@NUS Repository. <a href="https://doi.org/10.1504/IJNM.2009.027425" target="_blank">https://doi.org/10.1504/IJNM.2009.027425</a>
dc.identifier.issn17469392
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/60919
dc.description.abstractThe tool edge radius effect in micromachining of ferrous materials was investigated extensively using advanced numerical and experimental approaches. The results revealed that the best surface finishing could be obtained at a critical combination of undeformed chip thickness and tool edge radius where material is removed through severe plastic deformation associated with an effective negative rake angle. The chip formation exhibits an extrusion-like behaviour as driven by intense deviatoric and hydrostatic stresses that are highly localised around the deformation zone. The changes in the chip formation behaviour over the range of a/r = 0.05-2.0 are indicated by four stages of machining force distributions. It is worth noting that the tool edge radius effect has a great influence on material deformations and contact interaction in tool-based micromachining. Thus, an analytical contact length model for tool-based micromachining is proposed. Copyright © 2009, Inderscience Publishers.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1504/IJNM.2009.027425
dc.sourceScopus
dc.subjectChip formation mechanism
dc.subjectContact interaction
dc.subjectEffective rake angle
dc.subjectFerrous materials
dc.subjectFinite element analysis
dc.subjectMicro/miniaturised moulds
dc.subjectMicromachining
dc.subjectPrecision engineering
dc.subjectSteel
dc.subjectTool edge radius
dc.typeArticle
dc.contributor.departmentMECHANICAL ENGINEERING
dc.description.doi10.1504/IJNM.2009.027425
dc.description.sourcetitleInternational Journal of Nanomanufacturing
dc.description.volume3
dc.description.issue3
dc.description.page189-211
dc.identifier.isiutNOT_IN_WOS
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