ULTRA-HIGH TEMPERATURE METALLIC SEAL/ENERGIZER DEVELOPMENTFOR AERO PROPULSION AND GAS TURBINE APPLICATIONS

Ken Cornett and Jesse NewmanParker Hannifin

North Haven, Connecticut

Amit DattaAdvanced Components & Materials

Greenwich, Rhode Island

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Background of Problem

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Stress relaxation testing on Phase IV prototypes showed very positive resultscompared to polycrystalline Waspaloy and Rene41. Follow-on leakage testingshowed a strong correlation between improved stress relaxation and improvedleakage results.

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