The mechanical properties of the UFA-Q&P samples with
heating rates of 500 1C/s and 1000 1C/s without isothermal
soaking are better than in the conventionally Q&P samples
combining an increase in strength up to 26% and ductility up to
134%. The fracture surface changes from quasi-cleavage in
conventionally heat treated samples to ductile dimples in the
fast heated ones.