铸型正反转搅动对精密铸造K4169合金凝固组织和室温力学性能的影响

陈诚, 杨光昱, 金梦辉, 王强, 汤鑫, 程会民, 介万奇

Effect of the Mold Positive and Negative Rotation on the Microstructure and Room-Temperature Mechanical Properties of K4169 Superalloy

CHEN Cheng, YANG Guangyu, JIN Menghui, WANG Qiang, TANG Xin, CHENG Huimin, JIE Wanqi

图2 不同铸造工艺下K4169高温合金特征件的铸态组织

Fig.2 Microstructures of as-cast K4169 superalloy typical structural parts under different casting processes (a) conventional casting (CC) (b) positive and negative rotation (P&NR) for 4 s (P&NR 4s) (c) P&NR for 8 s (P&NR 8s)