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Strain-aging of vanadium, niobium or titanium-strengthened high-strength low-alloy steels

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Abstract

Four commercially available high-strength low-alloy (HSLA) steels were evaluated in this study. It was determined that all four steels were susceptible to strain-aging by interstitial solutes. The increase in strength due to strain-aging was similar to that observed in a low carbon steel studied for comparison. At high levels of prestrain, the percent loss in ductility in the HSLA steels was comparable to that observed in the low-carbon steel in specimens prestrained to the same fraction of the total elongation of the as-received metal. However, when considered on an absolute basis, the residual ductility in the HSLA steels was 25 to 50 pct of that observed in the low-carbon steel. The kinetics of strain-aging were briefly examined. Indications are that the kinetics are slower in the HSLA steels than they are in the low-carbon steel.

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Authors and Affiliations

  1. General Motors Research Laboratories, 48090, Warren, Mich.

    M. S. Rashid (Associate Senior Research Engineer)

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  1. M. S. Rashid
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Rashid, M.S. Strain-aging of vanadium, niobium or titanium-strengthened high-strength low-alloy steels. Metall Trans A 6, 1265–1268 (1975). https://doi.org/10.1007/BF02658536

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  • DOI: https://doi.org/10.1007/BF02658536

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