This paper provides an approach using tensile tests at elevated temperatures to estimate mechanical properties of the work material for both elastic and plastic deformations in a broad range of strain, strain rate, and temperature in machining. The proposed method has been applied to estimate mechanical properties of hardened AISI 52100 steel in hard machining. Tensile testing is shown capable of estimating the mechanical properties of both elastic and plastic regions with large strains at elevated temperatures. Flow stresses at high strain rates in machining can be obtained by extrapolating the data from tensile tests by using the velocity-modified temperature. Flow stress data from tensile and cutting tests is consistent with regard to the velocity-modified temperature. Temperature is the dominant factor of mechanical properties of this material, while the effect of strain rate is secondary. Cutting forces and chip geometry predicted by the 3D FEM simulation of hard turning using the material property data obtained from the developed method agree well with the experimental data.
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February 2002
Technical Papers
Mechanical Properties of Hardened AISI 52100 Steel in Hard Machining Processes
Y. B. Guo
School of Industrial Engineering, Purdue University, West Lafayette, IN 47907
C. R. Liu
School of Industrial Engineering, Purdue University, West Lafayette, IN 47907
Contributed by the Manufacturing Engineering Division for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received August 1999; revised April 2001. Associate Editor: M. Elbestawi.
J. Manuf. Sci. Eng. Feb 2002, 124(1): 1-9 (9 pages)
Published Online: April 1, 2001
Article history
Received:
August 1, 1999
Revised:
April 1, 2001
Citation
Guo, Y. B., and Liu, C. R. (April 1, 2001). "Mechanical Properties of Hardened AISI 52100 Steel in Hard Machining Processes ." ASME. J. Manuf. Sci. Eng. February 2002; 124(1): 1–9. https://doi.org/10.1115/1.1413775
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