Abstract
In cutting and abrasive processes, the cutting edge penetrates into the workpiece material, which is thus plastically deformed and slides off along the rake face of the cutting edge.
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Notes
- 1.
In contrast to elastic deformations, the workpiece volume in the case of major plastic deformations is constant. In the elastic mode, the volume change can be determined by means of the dimensional changes in the transverse and axial direction (Poisson’s ratio v): ∆ V/V = (1–2 v)ε. But this only applies to elastic deformations!
- 2.
The logarithmic deformation does not take into account elastic deformations, but only plastic ones. However, this can be neglected if major plastic deformations take place.
- 3.
The term “shear angle” would be more suitable, but it is used for the angle ϕ between the cutting direction and the shear plane.
References
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Tönshoff, H.K., Denkena, B. (2013). Chip Formation. In: Basics of Cutting and Abrasive Processes. Lecture Notes in Production Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-33257-9_2
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DOI: https://doi.org/10.1007/978-3-642-33257-9_2
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