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Temperature and deformation measurements in transient metal cutting


Metal cutting is a thermomechanically coupled process in which plasticity induced heating and friction play a critical role. The objective of this work is to develop a methodology to understand and quantify this coupling. Temperatures of the workpiece and the chip during transient cutting processes are measured using a linear array of 16 InSb infrared detectors with 200 ns rise time and 27 μm spatial resolution. Three different materials, 1018 CR steel, Al6061-T6 and Ti-6Al-4V, are tested at a cutting speed of 4.3 m s−1. A grid method is used to measure deformations during the above set of experiments. Measured values of temperature and deformation are compared to results of finite element simulations of the experiments.

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Potdar, Y.K., Zehnder, A.T. Temperature and deformation measurements in transient metal cutting. Experimental Mechanics 44, 1–9 (2004).

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Key Words

  • Infrared
  • temperature measurement
  • orthogonal metal cutting
  • machining
  • grid method
  • deformation measurement