Extex has developed a new turbine nozzle for the Allison 250 turboshaft, with durability improved by a platinum aluminide coating. The platinum provides a ductile transition layer between the aluminide and the Inconel 738 parent material to inhibit crack propagation and "reduce oxidation, sulphidation and erosion", says the company, which is based in Mesa, Arizona.
Source: Flight International
Shortages of cast metallic parts and other components continue hindering Pratt & Whitney’s (P&W) ability to produce new engines and to ramp up maintenance work needed to address its recall of PW1000G geared turbofans.
GE Aerospace’s deliveries of Leap turbofans slowed significantly in the second quarter of 2024 due to lingering supply chain troubles, with the company’s chief executive describing the quarter as “disappointing”.
Taiwanese carrier EVA Air has chosen GE Aerospace GEnx engines to power four incoming Boeing 787-10 widebodies.
