Discontinuities

Includes cracks, laps, folds, coldFaults produced in a forging by incorrect tool design or incorrect flow of steel that results in the formation of a crack in the forging surface. shutsFaults produced in a forging by incorrect tool design or incorrect flow of steel that results in the formation of a crack in the forging surface., and flow-throughA forging defect caused by metal flow past the base of a rib with consequent rupture of the grain structure., as well as internal defects such as inclusion, segregation, and porosity; internal discontinuitiesIncludes cracks, laps, folds, cold shuts, and flow-through, as well as internal defects such as inclusion, segregation, and porosity; internal discontinuities can be detected and evaluated using ultrasonic testing equipment. can be detected and evaluated using ultrasonic testingA method of nondestructive testing of solid metal for internal flaws utilizing high-frequency sound waves. equipment.