Mechanical Properties and Simulation during Metal Milling Processing

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Powder Metallurgy".

Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 2965

Special Issue Editor


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Guest Editor
Machine Design and Production Engineering Lab, University of Mons, Place du Parc 20, B-7000 Mons, Belgium
Interests: robotic machining; stability of machining operations; cutting force modeling and measurement; model identification; additive manufacturing
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Special Issue Information

Dear Colleagues,

Over the years, the simulation of machining processes has evolved from simple analytical laws, to complex multiphysics coupled models. The methods for engineers for highly competitive domains (airspace, automotive, aircrafts, etc.) need to optimize the production costs and reliable simulations models, in order to be able to reproduce the real examples that are needed.

The aim of this Special Issue is to collect state of the art research around various domains of expertise, such as mechanical engineering, material sciences, mathematics, and so on, about the milling process, regarding its simulations and its experimental validation. Aspects such as the prediction of cutting forces, prediction of surface integrity, evaluation of the mechanical properties of machined material, among others, will be welcome.

Topics of interest include the following:

  • Modelling of cutting forces in milling operations by means of microscopic, mesoscopic, or macroscopic models;
  • Determination of material properties relevant to the simulation of milling operations;
  • Prediction of the quality of milled parts regarding dimensional tolerances, roughness, surface integrity, or residual stresses;
  • Stability of operations against vibrations such as chatter;
  • Advanced techniques (robotic milling, laser-assisted milling, cryogenic milling, hybrid milling, etc.).

Prof. Edouard Rivière-Lorphèvre
Guest Editor

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Metals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • milling
  • numerical simulation
  • mechanical properties
  • surface finish
  • experimental validation

Published Papers (1 paper)

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Research

11 pages, 3755 KiB  
Article
An Improved Johnson–Cook Constitutive Model and Its Experiment Validation on Cutting Force of ADC12 Aluminum Alloy During High-Speed Milling
by Xinxin Meng, Youxi Lin and Shaowei Mi
Metals 2020, 10(8), 1038; https://doi.org/10.3390/met10081038 - 2 Aug 2020
Cited by 5 | Viewed by 2633
Abstract
Because of the massive work and high cost of milling experiments, finite element analysis technology (FEA) was used to analyze the milling process of ADC12 aluminum alloy. An improved Johnson–Cook (J–C) constitutive equation was fitted by a series of dynamic impact tests in [...] Read more.
Because of the massive work and high cost of milling experiments, finite element analysis technology (FEA) was used to analyze the milling process of ADC12 aluminum alloy. An improved Johnson–Cook (J–C) constitutive equation was fitted by a series of dynamic impact tests in different strain rates and temperatures. It found that the flow stress gradually increases as the strain rate rises, but it decreases as the test temperature rises. Compared with the J–C constitutive model, the predicted flow stress by the improved J–C constitutive model was closer to the experimental results when the strain rate was larger than 8000 s−1 and the temperature was higher than 300 °C. A two-dimensional cycloidal cutting simulation model was constructed based on the two J–C constitutive equations which was validated by milling experiments at different cutting speeds. The simulation results based on the improved J–C constitutive equation were closer to the experimental results and showed the cutting force first increased and then decreased, with cutting speed increasing, reaching a maximum at 600 m/min. Full article
(This article belongs to the Special Issue Mechanical Properties and Simulation during Metal Milling Processing)
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