Flt Crack _verified_s Hot Page

: Impurities or elements with low melting points (like sulfur or phosphorus) are rejected by solidifying crystals, extending the temperature range where the metal remains "mushy" and vulnerable. Primary Causes

It happens when there is an insufficient supply of liquid metal to fill the spaces between solidifying grains as they are pulled apart by thermal contraction or shrinkage strains. flt cracks hot