Determination of Plasticity for Pre-Deformed Billet

Olena Solona; Iryna Derevenko; Ihor Kupchuk

doi:10.4028/www.scientific.net/SSP.291.110

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HomeSolid State PhenomenaSolid State Phenomena Vol. 291Determination of Plasticity for Pre-Deformed...

Determination of Plasticity for Pre-Deformed Billet

Abstract:

The calculation procedure for determining the plasticity of pre-deformed metals during their processing by pressure has been developed. The calculation procedure is based on a fracture model, which in turn is based on the tensor description of damage accumulation. With known mechanical characteristics, as well as with known plasticity diagrams, the fracture model makes it possible to evaluate the plasticity of pre-deformed bend for any kind of stress state. When manufacturing steeply curved branches using the pipe extrusion method, the procedure was tested. Verification of the mathematical model has shown a high level of its adequacy, and it can be used in assessing the plasticity of pre-deformed billet.

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Periodical:

Solid State Phenomena (Volume 291)

Pages:

110-120

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.291.110

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Online since:

May 2019

Authors:

Olena Solona*, Iryna Derevenko, Ihor Kupchuk

Keywords:

Damage Tensor, Metal Forming, Plasticity, Plasticity Resource, Technological Heritage

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