Abstract
By applying the Fourier phase correlation method [The phase correlation image alignment method, Proceedings of the International Conference on Cybernetics Society, 1975, pp. 163–165] to the viscoplasticity method, an analysis method for obtaining accurate material flow and strain distribution in a short time has been established. This method does not require the marking procedure of the material surface that was formerly indispensable, and is able to treat large deformations. It is therefore expected to contribute to a wide range of material deformation researches. Investigations on the influence of the processing conditions in the ordinary shearing process showed quantitatively that the strain concentrates around the clearance vicinity for small clearances [Development of analyzing system applicable for large plastic deformation, Proceedings of the Fifth International Conference on Technology of Plasticity, 1996, pp. 583–590]. This paper discusses investigations on the influence of the shearing ratio, tool size to material thickness, conditions of fine-blanking applied for fabricating precision parts such as shape of the blankholder and blankholding force, as well as details on material flow and strain distribution.
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