GH907合金机匣锻环的超声衰减性能与其组织的关系

吕涛, 刘芳, 刘畅, 董德秀, 张伟红, 蔡桂喜

Influence of Microstructure on Ultrasonic Attenuation of Forged GH907 Alloy Ring for Aero Engine Turbine Casing

LV Tao, LIU Fang, LIU Chang, DONG Dexiu, ZHANG Weihong, CAI Guixi

图1 GH907合金锻环的水浸超声检测模型和A扫描波形示意图

Fig.1 Inspection model and A-scan waveform diagram of GH907 alloy forged ring with immersion ultrasonic testing