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RISHigh-Temperature Fatigue Properties of Single Crystal Superalloys in Air and Hydrogen
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Hot section components in high-performance aircraft and rocket engines are increasingly being made of single crystal nickel superalloys such as PWA1480, PWA1484, CMSX-4, and Rene N-4 as these ...
Vibration of High-Speed Spur Gear Webs
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High cycle fatigue loading of gear webs due to in-plane stresses, caused by forced excitation resulting from centrifugal loading and dynamic tooth loads, has been known to cause radial fatigue ...
Effect of Crystal Orientation on Fatigue Failure of Single Crystal Nickel Base Turbine Blade Superalloys
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High cycle fatigue (HCF) induced failures in aircraft gas turbine and rocket engine turbopump blades is a pervasive problem. Single crystal nickel turbine blades are being utilized in rocket ...
Collocation Method for Finite Length Squeeze Film Dampers With Variable Clearance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Collocation method is used to study the characteristics of a finite length Squeeze Film Damper (SFD) with variable clearance. The secant stiffness and damping coefficients of the SFD for ...
Dynamic Response and Stability of Pressurized Gas Squeeze-Film Dampers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Compressible squeeze films, an important and interesting area in gas lubrication, have been relatively neglected in recent times. Aircraft engines are being designed with light weight flexible ...