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Effects of dynamic strain aging on the subsequent mechanical properties of carbon steels

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Abstract

Five carbon steels, AISI 1008, 1020, 1035, renitrogenized 1010 and 1522, were dynamically strain aged in the temperature range 100 to 600°C (373 to 873 K), with strains from 3 to 9 pct and strain rates from 2 × 10-4 to 2 × 10-2/s. Following this, changes in tensile, notch impact and fatigue properties were determined. The data obtained indicate that for a commercial combined straightening and strengthening operation on the cooling beds of a bar mill, the temperature during straining should be between 200 and 400° C, the strain should be less than 5 pct and the strain rate is unimportant, up to at least 10-1/s. After such treatment the tensile properties will be:

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Authors and Affiliations

  1. General Atomic Company, 92138, San Diego, CA

    C. -C. Li

  2. Department of Materials and Metal-lurgical Engineering, University of Michigan, 48109, Ann Arbor, MI

    W. C. Leslie (Professor)

Authors
  1. C. -C. Li
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  2. W. C. Leslie
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Li, C.C., Leslie, W.C. Effects of dynamic strain aging on the subsequent mechanical properties of carbon steels. Metall Trans A 9, 1765–1775 (1978). https://doi.org/10.1007/BF02663406

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