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dc.contributor.authorWu, CWen_US
dc.contributor.authorHsu, RQen_US
dc.date.accessioned2014-12-08T15:16:34Z-
dc.date.available2014-12-08T15:16:34Z-
dc.date.issued2006-05-25en_US
dc.identifier.issn0924-0136en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.jmatprotec.2006.02.004en_US
dc.identifier.urihttp://hdl.handle.net/11536/12239-
dc.description.abstractThis study uses upper bound method to predict the workability for the extrusion of three-layer composite hexagonal clad rods. A velocity field is generated with the assistance of a product's cross-section profile functions. The velocity component in the extrusion axis is expressed as a convex distribution. The simultaneous deformation of each constituent material with quite different mechanical properties may lead to fracture. A criterion for fracture based on the velocity deviation existing on the layer interface was proposed. Material fractures under extrusion are affected by a set of independent process parameters, including the initial area percentage of each layer, friction condition of die, mechanical characteristics of three constituent materials and reduction of area of billet. Finally, figures of extrusion limits containing safety and fracture zones for each process parameter are obtained for extrusion of three-layer composite hexagonal clad rods. (c) 2006 Elsevier B.V. All rights reserved.en_US
dc.language.isoen_USen_US
dc.subjectextrusionen_US
dc.subjectworkabilityen_US
dc.subjecthexagon clad roden_US
dc.titleExtrusion analysis and workability prediction of three-layer composite hexagonal clad rodsen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.jmatprotec.2006.02.004en_US
dc.identifier.journalJOURNAL OF MATERIALS PROCESSING TECHNOLOGYen_US
dc.citation.volume174en_US
dc.citation.issue1-3en_US
dc.citation.spage312en_US
dc.citation.epage317en_US
dc.contributor.department機械工程學系zh_TW
dc.contributor.departmentDepartment of Mechanical Engineeringen_US
dc.identifier.wosnumberWOS:000237817700042-
dc.citation.woscount1-
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