3D Finite Element Analysis of Prestressed Cutting

Rui Tao Peng; Fang Lu; Xin Zi Tang; Yuan Qiang Tan

doi:10.4028/www.scientific.net/AMR.591-593.766

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 591-5933D Finite Element Analysis of Prestressed Cutting

3D Finite Element Analysis of Prestressed Cutting

Abstract:

In order to reveal the adjustment principle of prestressed cutting on the residual stress of hardened bearing steel GCr15, a three-dimensional thermal elastic-viscoplastic finite element model was developed using an Arbitrary Lagrangian Eulerian (ALE) formulation. Several key simulation techniques including the material constitutive model, constitutive damage law and contact with friction were discussed, simulation of chip formation during prestressed cutting was successfully conducted. At the prestresses of 0 MPa, 341 MPa and 568 MPa, distributions of residual stress on machined surface were simulated and experimentally verified. The results indicated that residual compressive stress on machined surface were achieved and actively adjusted by utilizing the prestressed cutting method; meanwhile, within the elastic limit of bearing steel material, the higher applied prestress leads to the more prominent compressive residual stress in the surface layer and subsequently the higher fatigue resistance of the part.

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Periodical:

Advanced Materials Research (Volumes 591-593)

Pages:

766-770

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.591-593.766

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Online since:

November 2012

Authors:

Rui Tao Peng, Fang Lu, Xin Zi Tang, Yuan Qiang Tan

Keywords:

3D Modeling, Finite Element Analysis (FEA), Hardened Bearing Steel, Prestressed Cutting, Residual Stress

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