This paper describes thermomechanical fatigue tests performed on multiperforated superalloys specimens for turbine blade applications.
The 12% Cr steel FV566 is employed for low pressure turbine blade applications in UK based electrical generating plant.
This work deals with the formulation of a three-dimensional crystallographic time-incremental lifetime rule for face-centered cubic (fcc) single crystals used for gas-turbine blade applications.
These techniques are currently being explored on a few wind turbine blade applications and can provide a wealth of additional information that was previously unobtainable.
This study focused on the role of simulated FOD in affecting the initiation and early growth of small surface fatigue cracks in a Ti 6Al 4V alloy, processed for typical turbine blade applications.
The application made use of the high thermal conductivity of ORT architecture as the through-thickness binder creates a conduction path for the heat dissipation, In addition, Sharp et al. (Sharp et al. 2013) and Mohamed et al. (Mohamed and Wetzel 2006) have reported the usage of ORT architecture in wind turbine rotor blade applications.
As foreign-object damage (FOD) from ingested debris is a key concern for HCF-related failures of such blades, the current study is focused on the role of simulated high velocity FOD in affecting the initiation and early growth of small surface fatigue cracks in a Ti 6Al 4V alloy, processed for typical blade applications.
Recent studies have shown that the damping of systems with this type of displacement-dependent dry friction force resembles linear structural damping and suggests that this arrangement may be an effective means of flutter suppression in these turbine and fan blade applications.
Titanium alloy is used for airframe components and compressor blades application because of its high strength and fracture toughness at low temperatures and high strength and creep resistance at elevated temperature.
Based on these properties, various casting techniques other than the standard doctor blade film application used for laboratory work were investigated, including stencil printing on a substrate, stencil printing directly on a gas diffusion electrode, nip roller extrusion, and slot die extrusion.
