abrade

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Each rotor is extruded from aluminum bar stock and cut to length before a proprietary abradable powder coating is added.
E3E technology includes: a two-stage shroudless HP turbine incorporating advanced 3D aerodynamics and blade cooling technology; a novel tip clearance control system with advanced ceramic abradable linings to improve turbine efficiency and increase performance retention; a lean burn combustion system; a blisked HP compressor which has successfully demonstrated a 22:1 pressure ratio in only 9 stages, with world-class levels of efficiency and validated surge margin capability; and an innovative air system for bearing load management and improved cooling using novel carbon oil seal and brush-seal air sealing technologies.