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The effect of morphology on the strength of pearlite

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Abstract

The effects of various morphological features on the strength of high-purity pearlite were studied. A continuous-cooling mode of transformation from different austenitizing temperatures was used to produce variations in average nodule diameter and minimum interlamellar spacing. It was found that, for a constant transformation temperature, nodule size was directly related to prior austenite grain size. On the other hand, minimum interlamellar spacing is controlled by transformation temperature, independent of prior austenite grain size and nodule size. Both the yield strength and fracture stress of pearlite was found to be inversely proportional to interlamellar spacing and independent of prior austenite grain size and nodule size.

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Authors and Affiliations

  1. Research Department, Bethlehem Steel Corp., 18016, Bethlehem, PA

    A. R. Marder (Sr. Research Engineer) & B. L. Bramfitt (Engineer)

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  1. A. R. Marder
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  2. B. L. Bramfitt
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Marder, A.R., Bramfitt, B.L. The effect of morphology on the strength of pearlite. Metall Trans A 7, 365–372 (1976). https://doi.org/10.1007/BF02642832

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