700h臺架試車對GH220合金一級渦輪葉片組織和性能的影響

Influence of Engine Rig Test on Structures and Mechanical Properties of First Stage Turbine Blade of GH220 Alloy

摘要: 對GH220合金一級渦輪葉片經過700小時臺架試車后的合金組織與性能進行了全面分析,結果表明:合金組織穩定,性能良好,可繼續試車。

Abstract: The structures and mechanical properties of first - stage turbine blade of GH220 alloy tested for 700 hours by engine rig have been analyzed in detail. The results show that structures of tested blade are all stable, and the mechanical properties are still good, and the engine rig test of first stage turbine blades can be carried on.