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Considering the influence of heating rate, complex hardening and dynamic strain agingin AISI 1045 machining: experiments and simulations

Published

Author(s)

Friedrich Bleicher, Christian Baumann, Stephan Krall, Steven P. Mates, Sibylle Herzig, Tim Alder, Norman Herzig

Abstract

In the modelling of machining operations, constitutive models must consider the material behavior subject to high plastic strains, high strain rates, high temperatures and high heating rates. A new material model for AISI 1045, which captures time-dependent plastic response associated with interrupted austenite transformation under short (sub-second) heating times, is deployed to simulate orthogonal cutting experiments. High speed video and DIC measurements are used to capture chip behavior. The new model, which also includes complex strain hardening and dynamic strain aging effects, shows better agreement with experiments compared with a basic Johnson-Cook material model from the literature.
Citation
CIRP Annals-ManufacturingTechnology
Issue
70

Keywords

machining, material modelling

Citation

Bleicher, F. , Baumann, C. , Krall, S. , Mates, S. , Herzig, S. , Alder, T. and Herzig, N. (2021), Considering the influence of heating rate, complex hardening and dynamic strain agingin AISI 1045 machining: experiments and simulations, CIRP Annals-ManufacturingTechnology, [online], https://doi.org/10.1016/j.cirp.2021.04.083, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=931764 (Accessed October 12, 2024)

Issues

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Created July 16, 2021, Updated November 29, 2022