Strength-microstructure relationships in pearlitic eutectoid and hypereutectoid steels

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The strengths of patented eutectoid and hypereutectoid steels are strongly dependent upon the microstructures developed during the patenting process. Microstructural features can include pearlite interlamellar spacing, pearlite colony size and prior austenite grain size. The present investigation focuses on the creation of specific microstructures through the variation of laboratory heat treatments that simulate patenting. The microstructures are quantitatively analyzed, and the mechanical properties experimentally evaluated with predictive correlations between them made.

Description

The strengths of patented eutectoid and hypereutectoid steels are strongly dependent upon the microstructures developed during the patenting process. Microstructural features can include pearlite interlamellar spacing, pearlite colony size and prior austenite grain size. The present investigation focuses on the creation of specific microstructures through the variation of laboratory heat treatments that simulate patenting. The microstructures are quantitatively analyzed, and the mechanical properties experimentally evaluated with predictive correlations between them made.

Additional information

Author(s)

Eric M. Taleff and Garud B. Sridhar, The University of Texas at Austin; and Bamdad Pourladian, Wire Rope Corporation of America, USA

Publication/Event/Pages

Paper presented at WAI 72nd Annual Convention, Chicago, IL USA. Paper published in Wire Journal International, October 2003, pg. 73.

Year

2002