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  • Trans Tech Publications, Ltd.  (4)
  • Yan, Cong Ming  (4)
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  • Trans Tech Publications, Ltd.  (4)
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  • 1
    Online Resource
    Online Resource
    FEM Analysis of Temperature in High Speed Cutting of TiAl6V4 Alloys
    Trans Tech Publications, Ltd. ; 2012
    In:  Key Engineering Materials Vol. 522 ( 2012-8), p. 201-205
    Details
    In: Key Engineering Materials, Trans Tech Publications, Ltd., Vol. 522 ( 2012-8), p. 201-205
    Abstract: mprovements in modeling and simulation of metal cutting processes are required in advanced manufacturing technologies. A three dimensional fully thermal mechanical coupled finite element model had been applied to simulate and analyze the cutting temperature for high speed milling of TiAl6V4 titanium alloy. The temperature distribution induced in the tool and the workpiece was predicted. The effects of the milling speed and radial depth of cut on the maximum cutting temperature in the tool was investigated. The results show that only a rising of temperature in the lamella of the machined surface is influenced by the milling heat. The maximum temperature in the tool increases with increasing radial depth of cut and milling speed which value is 310°C at a speed of 60 m/min and increases to 740°C at 400m/min. The maximum temperature is only effective on a concentrated area at the cutting edge and the location of the maximum temperature moves away from the tool tip for higher radial depths of milling. The predicted temperature distribution during the cutting process is consistent with the experimental results given in the literature. The results obtained from this study provide a fundamental understanding the process mechanics of HSM of TiAl6V4 titanium alloys.
    Type of Medium: Online Resource
    ISSN: 1662-9795
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/KEM.522
    DOI: 10.4028/www.scientific.net/KEM.522.201
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2012
    detail.hit.zdb_id: 2073306-9
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  • 2
    Online Resource
    Online Resource
    Three-Dimensional Finite Element Analysis in Cutting Temperature for High Speed Milling of Titanium Alloys
    Trans Tech Publications, Ltd. ; 2011
    In:  Advanced Materials Research Vol. 189-193 ( 2011-2), p. 2259-2263
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 189-193 ( 2011-2), p. 2259-2263
    Abstract: A three dimensional fully thermal-mechanical coupled finite element model had been presented to simulate and analyze the cutting temperature for high speed milling of TiAl6V4 titanium alloy. The temperature distribution induced in the tool and the workpiece was predicted. The effects of the milling speed and radial depth of cut on the maximum cutting temperature in the tool was investigated. The results show that only a rising of temperature in the lamella of the machined surface is influenced by the milling heat. The maximum temperature in the tool increases with increasing radial depth of cut and milling speed which value is 310°C at a speed of 60 m/min and increases to 740°C at 400m/min. The maximum temperature is only effective on a concentrated area at the cutting edge and the location of the maximum temperature moves away from the tool tip for higher radial depths of milling. The predicted temperature distribution during the cutting process is consistent with the experimental results given in the literature. The results obtained from this study provide a fundamental understanding the process mechanics of HSM of titanium alloys.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.189-193
    DOI: 10.4028/www.scientific.net/AMR.189-193.2259
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2011
    detail.hit.zdb_id: 2265002-7
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  • 3
    Online Resource
    Online Resource
    Numerical Simulation of Cutting Force and Temperature Field in High Speed Machining of Titanium Alloys
    Trans Tech Publications, Ltd. ; 2010
    In:  Applied Mechanics and Materials Vol. 37-38 ( 2010-11), p. 731-734
    Details
    In: Applied Mechanics and Materials, Trans Tech Publications, Ltd., Vol. 37-38 ( 2010-11), p. 731-734
    Abstract: Improvements in manufacturing technologies require better modeling and simulation of metal cutting processes. A fully thermal-mechanical coupled finite element analysis (FEA) was applied to model and simulate the high speed machining of TiAl6V4. The development of serrated chip formation during high speed machining was simulated. The effects of rake angle on chip morphology, cutting force and the evolution of the maximum temperature at the tool rake were analyzed with the finite element model. The simulation results show that the segmented chip formation results in cutting force fluctuation. Although the segmentation frequency of the chip increases with the increase of the rake angle, the degree of segmentation becomes weaker and the cutting force fluctuation amplitude decreases. The predicted temperature distribution during the cutting process is consistent with the experimental results given in a literature.
    Type of Medium: Online Resource
    ISSN: 1662-7482
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMM.37-38
    DOI: 10.4028/www.scientific.net/AMM.37-38.731
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2010
    detail.hit.zdb_id: 2251882-4
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  • 4
    Online Resource
    Online Resource
    Finite Element Investigation of the Influence of Thermophysical Parameters on Segmented Chip Formation during High Speed Cutting
    Trans Tech Publications, Ltd. ; 2011
    In:  Applied Mechanics and Materials Vol. 130-134 ( 2011-10), p. 2817-2821
    Details
    In: Applied Mechanics and Materials, Trans Tech Publications, Ltd., Vol. 130-134 ( 2011-10), p. 2817-2821
    Abstract: A 2D fully thermal mechanical coupled finite element model is applied to study the influence of material parameters on serrate chip formation during high speed cutting process. The serrated chip formation during high speed machining was predicted. Of interests are the effects of thermal conductivity, specific heat and density. Results showed significant influence of these thermophysical parameters on the serrated chip phenomena, especially in the case of the density. Increasing thermal conductivity specific heat and density lead to a decreasing degree of segmentation. The influence of the thermal conductivity on the cutting force and the specific heat on maximum temperatures in the shear band is also discussed.
    Type of Medium: Online Resource
    ISSN: 1662-7482
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMM.130-134
    DOI: 10.4028/www.scientific.net/AMM.130-134.2817
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2011
    detail.hit.zdb_id: 2251882-4
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