Revisiting size effect due to work of new surface formation in mechanical micro-machining using FEM
| Autor: | U. Srinivas Rao, L. Vijayaraghavan |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
0209 industrial biotechnology
Work (thermodynamics) Materials science Cutting tool Chip formation 02 engineering and technology Dissipation Edge (geometry) Chip Finite element method 020303 mechanical engineering & transports 020901 industrial engineering & automation 0203 mechanical engineering Machining Composite material |
| Zdroj: | Materials Today: Proceedings. 5:7198-7206 |
| ISSN: | 2214-7853 |
| Popis: | Finite element simulations of chip formation have been carried out for uncut chip thickness of 4 µm to 24 µm by incorporating Johnson-Cook fracture model to study the energy spent in new surface formation in metal cutting. The plastic dissipation and the damage dissipation energy of the chip formation are analyzed for the orthogonal machining simulations carried out. From the analysis it has been shown that the damage dissipation energy in machining is negligible compared to the plastic dissipation energy and it increases with the enhancement in the ratio of uncut chip thickness to edge radius of the cutting tool. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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