Numerical analysis of chip formation mechanisms in orthogonal cutting of Ti6Al4V alloy based on a CEL model
文献类型：期刊论文
| 作者 | Shuang F(双飞); Chen XY; Ma W(马维)
|
| 刊名 | INTERNATIONAL JOURNAL OF MATERIAL FORMING
 |
| 出版日期 | 2018-03-01 |
| 卷号 | 11期号:2页码:185-198 |
| 关键词 | Coupled Eulerian-Lagrangian model Orthogonal cutting process Shear-localized instability Weak mesh sensitivity Streamline field |
| ISSN号 | 1960-6206 |
| DOI | 10.1007/s12289-017-1341-z |
| 英文摘要 | 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. |
| 分类号 | 二类/Q1 |
| URL标识 | 查看原文 |
| WOS关键词 | FINITE-ELEMENT-METHOD ; TITANIUM-ALLOY ; ALE FORMULATION ; SIMULATION ; TI-6AL-4V ; SEGMENTATION ; INSTABILITY ; DYNAMICS ; CONTACT ; STRESS |
| WOS研究方向 | Engineering, Manufacturing ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:000426704800003 |
| 资助机构 | Key National Nature Science Foundation of China [11132011] ; National Nature Science Foundation of China [11572337, 51575029] |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/77912]  |
| 专题 | 力学研究所_流固耦合系统力学重点实验室(2012-) |
| 作者单位 | Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China |
| 推荐引用方式 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. |
入库方式： OAI收割
来源：力学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。