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The International Journal of Advanced Manufacturing Technology

Erschienen in:

20.05.2020 | ORIGINAL ARTICLE

Simulation of micro-milling Inconel 718 considering scale effect

verfasst von: Xiaohong Lu, Zhenyuan Jia, Haixing Zhang, Jinhui Qiao, Yixuan Feng, Steven Y. Liang

Erschienen in: The International Journal of Advanced Manufacturing Technology | Ausgabe 3/2020

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Abstract

To study the scale effect during micro-milling process, we establish a modified Johnson-Cook (JC) constitutive model to describe the strengthening behavior of materials on microscale based on the theory of strain gradient plasticity. The VUMAT constitutive subroutine of Inconel 718 is programmed. The radius of the tool edge and its influence on the rake angle are considered. Based on the modified JC constitutive equation, the simulation of micro-milling Inconel 718 process is achieved. The micro-milling Inconel 718 experiments are conducted. The accuracy of the simulation of micro-milling Inconel 718 process considering scale effect is verified by comparing cutting force from experiments with simulation outputs based on the traditional as well as modified JC constitutive equation. It is proved that the simulation outputs of the micro-milling process based on the modified JC constitutive equation are more consistent with the experimental results.

Vorheriger Artikel A customizable process planning approach for rotational parts based on multi-level machining features and ontology

Nächster Artikel Effect of temperature and friction on necking and thickening for 5A02 aluminum alloy thin-walled tube in differential temperature extrusion

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Titel: Simulation of micro-milling Inconel 718 considering scale effect
verfasst von: Xiaohong Lu
Zhenyuan Jia
Haixing Zhang
Jinhui Qiao
Yixuan Feng
Steven Y. Liang
Publikationsdatum: 20.05.2020
Verlag: Springer London
Erschienen in: The International Journal of Advanced Manufacturing Technology / Ausgabe 3/2020
Print ISSN: 0268-3768
Elektronische ISSN: 1433-3015
DOI: https://doi.org/10.1007/s00170-020-05426-3

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