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Development of the sheared edge in the trimming of steel and light metal sheet, part 2 - mechanisms and modelling
journal contribution
posted on 2005-01-01, 00:00 authored by Tim HilditchTim Hilditch, Peter HodgsonPeter HodgsonThe shearing behavior of a drawing-steel and aluminum alloy were investigated using hardness contours of partially deformed samples and a finite element model of the trimming process. Results showed that the stress and strain distributions within the work-piece were more strongly dependent on the punch penetration than the material properties of the work-piece. Differences in the final fracture surface profile and burr formation of the drawing-steel and aluminum alloy were a consequence of the shape of the stress and strain distribution when the crack in the sample became unstable, not when it was initiated. Results and existing literature suggest that a correlation may exist between the strain-rate sensitivity of the work-piece material and the burr mechanism and fracture surface profile of the trimmed part.
History
Journal
Journal of materials processing technologyVolume
169Issue
2Pagination
192 - 198Publisher
ElsevierLocation
Amsterdam, NetherlandsPublisher DOI
ISSN
0924-0136eISSN
1873-4774Language
engPublication classification
C1 Refereed article in a scholarly journalCopyright notice
2005, Elsevier B.V.Usage metrics
Keywords
Shearingtrimmingfinite element modelingsteelaluminum alloyScience & TechnologyTechnologyEngineering, IndustrialEngineering, ManufacturingMaterials Science, MultidisciplinaryEngineeringMaterials ScienceFINITE-ELEMENT-ANALYSISBLANKING PROCESSEXPERIMENTAL-VERIFICATIONALUMINUM-ALLOYDEFORMATIONFRACTURETOOLMechanical Engineering
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