The gradient of the equilibrium melting temperature distribution at the advancing liquid-solidinterface of liquid side was derived.From which,a parameter,H,used
The mathematical models of the kinetics of the layer growth at different ion nitriding condi-tions of armco iron.steels 45,40Cr,42CrMo and 38CrMoAl have been es
The variations of microstructures and mechanical properties of steels 15CrMnMoV,18Mn2CrMoB,18Cr2Ni4W,30CrMnSi,30CrMnSiNi2 and 40CrMnSiMoV,which weretempered at