Influence of the Preheat Treatment on the Microstructure and Properties of X37CrMoV5-l Steel

摘要

The technological properties of the hot-work tool steelsdepend on their microstructural quality induced.by the production process and the heat treatment. One of the frequently applied methods to improve microstructure is preheat treatment. The treatment of oarbonitriding X37CrMoV5-l steel has been investigated in fluidized bed furnaces. Thickness and phase composition have been conducted using optical microscopy Neophot 32 and scanning microscopy, JEOL 5400, after etching in nital.