In this paper an inverse method is presented to evaluate the inner workpiece temperature distribution during cryogenic turning of metastable austenitic steel AISI 347 utilizing a FE representation of the process. Temperature data during the experiments is provided by thermocouples and a commercial thermo-graphy system. A constant cutting speed at two varying feeds are investigated. Inverse parameter verification by aligning simulated and experimental data in a least squares sense is achieved. A heat flux from tool to workpiece as well as heat transfer coefficients for forced convection by air and by carbon dioxide as cryogenic coolant are identified for each set of cutting parameters. Rigid body rotation in the model is considered applying convective time derivatives of the temperature field. Unphysical oscillations occurring in regions of high Péclet numbers are suppressed utilizing a streamline-upwind/Petrov-Galerkin scheme.
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ASME 2018 13th International Manufacturing Science and Engineering Conference
June 18–22, 2018
College Station, Texas, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-5138-8
PROCEEDINGS PAPER
A Finite Element Approach to Calculate Temperatures Arising During Cryogenic Turning of Metastable Austenitic Steel AISI 347
Steven Becker,
Steven Becker
Technische Universität Kaiserslautern, Kaiserslautern, Germany
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Hendrik Hotz,
Hendrik Hotz
Technische Universität Kaiserslautern, Kaiserslautern, Germany
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Benjamin Kirsch,
Benjamin Kirsch
Technische Universität Kaiserslautern, Kaiserslautern, Germany
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Jan C. Aurich,
Jan C. Aurich
Technische Universität Kaiserslautern, Kaiserslautern, Germany
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Erik v. Harbou,
Erik v. Harbou
Technische Universität Kaiserslautern, Kaiserslautern, Germany
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Ralf Müller
Ralf Müller
Technische Universität Kaiserslautern, Kaiserslautern, Germany
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Steven Becker
Technische Universität Kaiserslautern, Kaiserslautern, Germany
Hendrik Hotz
Technische Universität Kaiserslautern, Kaiserslautern, Germany
Benjamin Kirsch
Technische Universität Kaiserslautern, Kaiserslautern, Germany
Jan C. Aurich
Technische Universität Kaiserslautern, Kaiserslautern, Germany
Erik v. Harbou
Technische Universität Kaiserslautern, Kaiserslautern, Germany
Ralf Müller
Technische Universität Kaiserslautern, Kaiserslautern, Germany
Paper No:
MSEC2018-6541, V004T03A036; 9 pages
Published Online:
September 24, 2018
Citation
Becker, S, Hotz, H, Kirsch, B, Aurich, JC, v. Harbou, E, & Müller, R. "A Finite Element Approach to Calculate Temperatures Arising During Cryogenic Turning of Metastable Austenitic Steel AISI 347." Proceedings of the ASME 2018 13th International Manufacturing Science and Engineering Conference. Volume 4: Processes. College Station, Texas, USA. June 18–22, 2018. V004T03A036. ASME. https://doi.org/10.1115/MSEC2018-6541
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