Study on Dynamic Minimum Thickness of Cut by Nanoscratch Testing

Hua Li Zhang; Ji Cai Kuai; Fei Hu Zhang

doi:10.4028/www.scientific.net/AMR.291-294.1729

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Numerical Simulation of Body Heat Transfer Coefficient Test of a Railway Vehicle
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Experimental Research on Ultrasonic Vibration Milling Metal Matrix Composites SiCp/Al
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Study on Dynamic Minimum Thickness of Cut by Nanoscratch Testing
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 291-294Study on Dynamic Minimum Thickness of Cut by...

Study on Dynamic Minimum Thickness of Cut by Nanoscratch Testing

Abstract:

Nanoscratch tests showing clear ploughing behavior and stable chip formation was conducted to investigate the influence of friction coefficient on the minimum thickness of cut. A theoretical model accounting for the minimum thickness of cut is used to analyze the effects of the friction coefficient and force ratio. Results show that the minimum thickness of cut is strongly dependent on both friction coefficient and force ratio. Theoretical minimum thickness of cut can be obtained when adhesion friction plays a dominant role in the cutting process. Appropriate adjustments of processing parameters are hereby suggested to result in stable micro-machining process without ploughing, not only forming fine-thin continuous chip, but also achieving high surface quality. The role of friction coefficient on the minimum thickness of cut with δ (cutting depth/edge radius) is also discussed.

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Periodical:

Advanced Materials Research (Volumes 291-294)

Pages:

1729-1732

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.291-294.1729

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Online since:

July 2011

Authors:

Hua Li Zhang, Ji Cai Kuai, Fei Hu Zhang

Keywords:

AFM, Force Ratio, Friction Coefficient (FC), Minimum Thickness of Cut, Nanoscratch

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