formation-of-forging-flawsHFRemeltingForgingHeat treatment123 Process stepsFlaws in finished partsThe formation of flaws in the forging process of the semi-finished parts:Example: Turbine diskABC2- A,B, 3 - A,BUnfavorable grain size distribution and "grain boundary orientation"Segregation1-A3-C Creep crackCreep crack on a form notch2-C Hot crack3-CPressure 0 Tension2-D, 3-DDangerous residual stresses