Thermally assisted high efficiency ductile machining of nanocrystalline hydroxyapatite: a numerical study

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dc.contributor.author Ma, Jianfeng
dc.contributor.author Pelate, Nathan
dc.contributor.author Lei, Shuting
dc.date.accessioned 2014-01-10T14:42:22Z
dc.date.available 2014-01-10T14:42:22Z
dc.date.issued 2014-01-10
dc.identifier.uri http://hdl.handle.net/2097/17036
dc.description.abstract This study investigates the role of thermal assistance and tool geometry on ductile regime machining of a nanocrystalline (nano-HAP) bioceramic using numerical simulation. AdvantEdge FEM Version 5.9 is used to conduct the simulation of orthogonal machining of the nano-HAP material. Thermal boundary conditions are specified to approximate laser preheating of the work material. The effects of operating conditions (preheat temperature, rake angle, and edge radius) on critical depth of cut, cutting force, and thrust force are investigated. Based on the pressure-based criterion for ductile regime machining (DRM), the dependence of critical depth of cut on preheating temperature is examined. It is found that for different combinations of rake angle and edge radius, the critical depth of cut increases as thermal boundary temperature increases. In addition, it is concluded that using higher thermal boundary temperature for smaller negative or 0° rake angle, we can achieve the comparable critical depth of cut obtained by using a higher negative rake angle, which usually generates higher thrust force and consequently deteriorates the dimensional accuracy of finished parts. en_US
dc.language.iso en_US en_US
dc.relation.uri http://www.sciencedirect.com/science/article/pii/S0272884213005683 en_US
dc.subject Thermally assisted machining en_US
dc.subject Ductile machining en_US
dc.subject Hydroxyapatite en_US
dc.subject FEM simulation en_US
dc.title Thermally assisted high efficiency ductile machining of nanocrystalline hydroxyapatite: a numerical study en_US
dc.type Article (author version) en_US
dc.date.published 2013 en_US
dc.citation.doi doi:10.1016/j.ceramint.2013.05.054 en_US
dc.citation.epage 9384 en_US
dc.citation.issue 8 en_US
dc.citation.jtitle Ceramics International en_US
dc.citation.spage 9377 en_US
dc.citation.volume 39 en_US
dc.contributor.authoreid lei en_US


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