IMECH-IR  > 非线性力学国家重点实验室
Onset and evolution of discontinuously segmented chip flow in ultra-high-speed cutting Ti-6Al-4V
Ye GG; Xue SF; Ma W; Dai LH(戴兰宏); Dai, LH (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Source PublicationINTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
2017
Volume88Issue:1-4Pages:1161-1174
ISSN0268-3768
AbstractIncreasing the cutting speed to an ultra-high level usually gives rise to a chip flow transition from continuously serrated to discontinuously segmented, which is one of the most fundamental and challenging problems in metal cutting. In this work, we experimentally performed the ultra-high-speed cutting on Ti-6Al-4V with a maximum cutting speed of 210 m/s, focusing on the physical phenomena accompanying the discontinuously segmented chip flow. It reveals that the discontinuously segmented chip flow can be attributed to the shear fracture induced by the fully matured shear banding, and there exists a ductile-brittle transition of the shear fracture as the cutting speed increases to an ultra-high level. In addition, the critical condition for the onset of segmented chip flow is presented using the momentum diffusion-based shear band evolution model, which gives good prediction for the chip segmentation.
DOI10.1007/s00170-016-8847-2
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000392308400100
WOS KeywordHigh-speed machining ; Shear banding ; Segmented chip ; Discontinuous chip ; Momentum diffusion
WOS Research AreaAutomation & Control Systems ; Engineering
WOS SubjectAutomation & Control Systems ; Engineering, Manufacturing
Funding OrganizationThis work was supported by the Nature Science Foundation of China (Grants Nos: 11132011, 11402278), the National Basic Research Program of China (Grant No: 2012CB937500), and the Fundamental Research Funds for the Central Universities (15CX02110A).
DepartmentLNM冲击动力学与新型材料力学性能
Classification二类
Ranking1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60112
Collection非线性力学国家重点实验室
Corresponding AuthorDai, LH (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Ye GG,Xue SF,Ma W,et al. Onset and evolution of discontinuously segmented chip flow in ultra-high-speed cutting Ti-6Al-4V[J]. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY,2017,88(1-4):1161-1174.
APA Ye GG,Xue SF,Ma W,戴兰宏,&Dai, LH .(2017).Onset and evolution of discontinuously segmented chip flow in ultra-high-speed cutting Ti-6Al-4V.INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY,88(1-4),1161-1174.
MLA Ye GG,et al."Onset and evolution of discontinuously segmented chip flow in ultra-high-speed cutting Ti-6Al-4V".INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY 88.1-4(2017):1161-1174.
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