... to their ability to improve part stiffness, shift natural frequencies of critical parts from operational ranges, and reduced system noises. Motivation for understanding stiffening structures in aerospace industries (specifically in turbine engines) comes from the potential to improve the designs of low-pressure...

... to include available material or component information and nondestructive evaluation (NDE) conditional acceptance. This study explores the rigidity of the HCF Acceptance Criteria by applying it to Laser DED repaired turbine engine fan blades. The results help define a prior rule (entrance statement...

... Abstract Criteria for assessing high cycle fatigue (HCF) capability is important for transitioning additive repair technologies to turbine engine applications. By studying the fatigue results of two laser directed energy deposition additive manufacturing repairs on airfoil representative...

... that fatigue failures initiate near the surface of maximum strain/stress at porous features consistent with stock (non-optimized) LPBF process parameters. additive manufacturing damping vibration fatigue turbine engines VIBRATION FATIGUE ASSESSMENT OF ADDITIVE MANUFACTURED NICKEL ALLOY...

... for structural integrity assessment can serve as a reference for validation of future IBR repair processes. additive manufacturing additive repair rotor airfoil titanium turbine engines STRUCTURAL INTEGRITY ASSESSMENTS FOR VALIDATING DIRECTED ENERGY DEPOSITION REPAIRS OF INTEGRALLY BLADED ROTOR...