“…The recovery temperature was shown to depend not only on the applied strain rate, as it did in carbon steels [353], but also on the formation of new phases at the liquid metal/solid metal interfaces, such as PbFe 3 O 4 in liquid Pb or BiFeO 4 in liquid Bi [354]. An iron nitride was also thought to have formed, based on XRD † analysis [354]. The variation of the recovery temperature was then attributed to the different interfaces formed in situ during the exposure of iron to the liquid metal.…”