THICKENING DYNAMICS OF TIN PARTICLES IN HAZ OF LOW CARBON STEEL

AKinetic modelofthickening of TiNparticlesin heat- affected - zone( HAZ) of low car bonsteelhasbeen proposedinthispaper.Itisalsofoundthatthesolutionofsome TiNparti clesisrapid, andthethickening of TiNparticlesis mainlycontrolled by diffusion of Tiatomforwardinterfaceofinsoluble TiNparticles.