METHOD OF ESTIMATING TENDENCY OF MATERIAL TO HOT CRACK FORMATION Russian patent published in 1994 - IPC

FIELD: metallurgy. SUBSTANCE: method involves the steps of: measuring critical rate of deformation of a specimen during welding, measuring intrinsic shrinkage deformation rate of the specimen, calculating a tendency of materials to hot crack formation from the expression given in the invention description. The method is characterized in that a percentage of a sum of critical and intrinsic shrinkage deformation values with regard to corresponding deformation rate values of a known metal is taken as a criterion of a tendency of material to hot crack formation. EFFECT: enhanced reliability.