Behaviour of elasto/visco-plastic workpiece material during machining

• Autorzy: Chodor J. , Kukiełka L.
• Języki publikacji: EN

Abstrakty

EN

Experimental investigations of plastic deformation and uniaxial tension of elasto/visco-plastic (E/V-P) material (41Cr4) were conducted to characterize the flow behavior of the material. Dynamic effects, constitutive damage law and contact with non-linear friction in simulations were described using updated Lagrangian formulation. That model of the process allows defining advanced simulations of tool's penetration in workpiece and chip formation. The yield stress is taken as a function of the strain and the strain rate in order to reflect realistic behavior of unsteady-state process, a material separation criterion based on the failure strain ?f were determined Finite element simulations were carried out using ANSYS code. The influence of the chosen process parameter in numerical simulations on the chip's shapes was presented. Results revealed good agreements between FEM results and experimental ones.

Słowa kluczowe

EN

machining; modeling; numerical simulations; chip

• Wydawca: Wydawnictwo Wrocławskiej Rady FSNT NOT
• Czasopismo: Journal of Machine Engineering
• Rocznik: 2012
• Tom: Vol. 12, No. 4
• Strony: 99--116
• Opis fizyczny: Bibliogr. 16 poz., rys.

Twórcy

autor

Chodor J.

• Koszalin University of Technology, Mechanical Department, Raclawicka 15–17 street, 75–620 Koszalin, Poland

autor

Kukiełka L.

• Koszalin University of Technology, Mechanical Department, Raclawicka 15–17 street, 75–620 Koszalin, Poland

Bibliografia

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