| Numerical analysis of chip formation mechanisms in orthogonal cutting of Ti6Al4V alloy based on a CEL model | |
Shuang F(双飞); Chen XY; Ma W(马维)
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| Source Publication | INTERNATIONAL JOURNAL OF MATERIAL FORMING
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| 2018-03-01 | |
| Volume | 11Issue:2Pages:185-198 |
| ISSN | 1960-6206 |
| Abstract | This article proposes an improved numerical model based on the coupled Eulerian-Lagrangian (CEL) formulation for the numerical analysis of metal cutting. Preliminary calculation results show that the model overcomes some shortcomings of traditional finite element (FE) models, for example, the mesh distortion and the limitation of the separation line method in the Lagrangian approach and setting the chip shape in advance in the Eulerian approach. Therefore, application of this model can provide a convenient simulation for stable and unstable cutting processes of metals and a vivid demonstration for the streamline field of plastic flow of a workpiece material during cutting. Moreover, it can accurately characterize the evolutions of stress, strain, and temperature fields in the chip, the variation histories of the cutting force with time and the shear-localized instability behaviors in the serrated chip. The simulation results have sufficiently demonstrated the potential of applying the CEL model to the numerical analysis of metal cutting. In particular, the CEL model facilitates the simulations of some special cutting processes, such as the machining of a vibrating workpiece and a thin wall component. |
| Keyword | Coupled Eulerian-Lagrangian model Orthogonal cutting process Shear-localized instability Weak mesh sensitivity Streamline field |
| DOI | 10.1007/s12289-017-1341-z |
| URL | 查看原文 |
| Indexed By | SCI ; EI |
| Language | 英语 |
| WOS ID | WOS:000426704800003 |
| WOS Keyword | FINITE-ELEMENT-METHOD ; TITANIUM-ALLOY ; ALE FORMULATION ; SIMULATION ; TI-6AL-4V ; SEGMENTATION ; INSTABILITY ; DYNAMICS ; CONTACT ; STRESS |
| WOS Research Area | Engineering, Manufacturing ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Engineering ; Materials Science ; Metallurgy & Metallurgical Engineering |
| Funding Organization | Key National Nature Science Foundation of China [11132011] ; National Nature Science Foundation of China [11572337, 51575029] |
| Classification | 二类/Q1 |
| Ranking | 1 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/77912 |
| Collection | 流固耦合系统力学重点实验室 |
| Affiliation | Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China |
| Recommended Citation GB/T 7714 | Shuang F,Chen XY,Ma W. Numerical analysis of chip formation mechanisms in orthogonal cutting of Ti6Al4V alloy based on a CEL model[J]. INTERNATIONAL JOURNAL OF MATERIAL FORMING,2018,11,2,:185-198. |
| APA | 双飞,Chen XY,&马维.(2018).Numerical analysis of chip formation mechanisms in orthogonal cutting of Ti6Al4V alloy based on a CEL model.INTERNATIONAL JOURNAL OF MATERIAL FORMING,11(2),185-198. |
| MLA | 双飞,et al."Numerical analysis of chip formation mechanisms in orthogonal cutting of Ti6Al4V alloy based on a CEL model".INTERNATIONAL JOURNAL OF MATERIAL FORMING 11.2(2018):185-198. |
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| IrJ2018300.pdf（6580KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Download | |
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