Abstract
It is shown that the addition of 0.1 pct Ti to a low carbon Ni-Cr steel can eliminate most of the susceptibility to temper embrittlement due to both step cooling and isothermal aging. The mechanism by which Ti acts is complex and not yet clear. It suppresses carbide formation during the embrittlement heat treatment, which should retard the rate of embrittlement (cf. Part I). However, it also appears to interact with Ni and Sb by enhancing the segregation of Ni to grain boundaries and by mitigating the embrittling effect of Sb.
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Ohtani, H., Feng, H.C. & Mcmahon, C.J. Temper embrittlement of Ni-Cr steel by antimony:II. Effects of addition of titanium. Metall Trans A 7, 1123–1131 (1976). https://doi.org/10.1007/BF02656594
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DOI: https://doi.org/10.1007/BF02656594