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Identification of forming limit curve at fracture in incremental sheet forming
The International Journal of Advanced Manufacturing Technology, 2017Computer-aided manufacturing technology is widely used in the sheet-forming industry to predict forming performance. Strain-based forming limit criterion is popularly used for this purpose. In incremental sheet forming, the forming limit curve at fracture (FLCF) is a line from the equi-biaxial strain-point to plane strain-point and is high in ...
Van-Cuong Do +2 more
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Forming Limit Curves and Forming Limit Stress Curves for Advanced High Strength Steels
Materials Science Forum, 2013Experimental and numerical investigations using Forming Limit Curve (FLC) and Forming Limit Stress Curve (FLSC) were carried out for two Advanced High Strength Steel (AHSS) grades DP780 and TRIP780. The forming limit curves were experimentally determined by means of Nakazima stretching test.
Sansot Panich +4 more
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Variability of forming limit curves
International Journal of Mechanical Sciences, 1974Summary The forming limit curve indicates the maximum uniform strain which can be achieved in an element of a sheet which is strained in a proportional biaxial straining process; it refers to the strain in a region adjacent to, but not within, any area of localized straining associated with rupture.
H. van Minh, R. Sowerby, J.L. Duncan
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Forming Limit Curves in Single Point Incremental Forming
CIRP Annals, 2007New experimental data is presented on Forming Limits in Single Point Incremental Forming (SPIF), which is a sheet metal forming process which does not require dies. A Box-Behnken Design of Experiment is used to develop the experimental plan and analyze data. In former work, the most critical factors affecting Single Point Incremental Forming were found
M. Ham, J. Jeswiet
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The forming limit curve for bending processes
International Journal of Mechanical Sciences, 1979Abstract The maximum strain that metal can suffer in some bulk forming processes is limited by the phenomenon of shear band formation, which precedes ductile fracture. The process of strain localization in the shear band has been analysed theoretically on the basis of the theory of plastic flow.
Marciniak, Zdzislaw +1 more
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