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9 晶粒尺寸及其分布均匀性对超声衰减的影响

Fig.9 Effect of grain size and uniformity of distribution on ultrasonic attenuation