Paper Title:
Empirical Correlation between Parameters from Small Punch and Tensile Curves of Mn-Mo-Ni Low Alloy Steels by Using Test and FE Analysis
  Abstract

A load-displacement curve from a small punch test includes several useful information that is related to standard test properties such as the tensile property, fracture toughness and ductilebrittle transition temperature. In this study, the empirical relationship between the material property factors in SP curves and the tensile curves has been investigated by comparing test results and finite element analysis results. SP and tensile tests and finite element analyses were performed for several Mn-Mo-Ni low alloy steels with different manufacturing processes. It was found that the yield loads (Py) in the SP curves, if they were adequately defined, were linearly related to the yield strength (σ0). The yield loads defined from the intersection point of two lines tangent to the elastic bending region and plastic bending region showed a better relation with the yield strength than those from the offset line. The slope of the SP curves from the simulation results had a close correlation with the hardening coefficient and strength constant as well.

  Info
Periodical
Key Engineering Materials (Volumes 353-358)
Edited by
Yu Zhou, Shan-Tung Tu and Xishan Xie
Pages
420-423
DOI
10.4028/www.scientific.net/KEM.353-358.420
Citation
M. C. Kim, J. B. Lee, M. W. Kim, B. S. Lee, "Empirical Correlation between Parameters from Small Punch and Tensile Curves of Mn-Mo-Ni Low Alloy Steels by Using Test and FE Analysis", Key Engineering Materials, Vols. 353-358, pp. 420-423, 2007
Online since
September 2007
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$32.00
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