Development of the sheared edge in the trimming of steel and light metal sheet, part 2 - mechanisms and modelling
Hilditch, Tim and Hodgson, Peter 2005, Development of the sheared edge in the trimming of steel and light metal sheet, part 2 - mechanisms and modelling, Journal of materials processing technology, vol. 169, no. 2, pp. 192-198.
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Development of the sheared edge in the trimming of steel and light metal sheet, part 2 - mechanisms and modelling
The 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.
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eng
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091399 Mechanical Engineering not elsewhere classified