MENG F J,TAGASHIRA K,AZUMA R,et al.Role of eta-carbide precipitations in the wear resistance improvements of Fe-12Cr-Mo-V-1.4C tool steel by cryogenic treatment[J].ISIJ International,1994,34(2):205-210.
[6]
YEN P L,KAMODY D J.Formation of fine eta carbides in special cryogenic and tempering process key to improved properties of alloy steels[J].Industrial Heating,1997,(1):40-44.