Comparación de la integridad frente a fatiga de la poliamida 12 procesada mediante sinterizado selectivo por láser y mediante moldeo por inyección

This work aims to study and to compare the fatigue behaviour of polyamide 12 processed using the additive manufacturing technique of Selective Laser Sintering and that manufactured using the conventional Injection Molding technique. This was accomplished by the construction of the Kitagawa-Takahashi diagram and El Haddad modification. The representation has been obtained from the fatigue limit, the fatigue crack propagation threshold, the yield stress and the fracture toughness, using the integration of the Paris law and the Basquin equation for the description.