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The recrystallisation behaviour of medium carbon steels with dilute Nb addition was investigated by means of plane strain compression tests and the observation of prior austenite microstructures during different deformation conditions.It was found that complete suppression of recrystallisation did not occur in the deformation temperature range investigated.At lower deformation temperatures,partial recrystallisation occurred in the higher Nb sample.This gives the potential to obtain a full suppression of recrystallisation at lower deformation temperatures.