Stiffness, Strength, Fatigue, & Impact Performance
Structural performance of die castings depend on four mechanical properties:
- Modulus of Elasticity: The modulus of elasticity is not affected by casting parameters.
- Tensile Strength: Ultimate tensile strength and yield strengths may be affected by casting parameters; some alloys more than others.
- Fatigue Strength: Die casting alloys do not reach a distinct endurance limit as do steel alloys.
- Impact Strength: Impact failures are very difficult to predict by analytical methods.
Creep and dent resistance are also relevant to die castings.
