重力对高温合金定向凝固组织的影响

马德新, 赵运兴, 徐维台, 王富

Effect of Gravity on Directionally Solidified Structure of Superalloys

MA Dexin, ZHAO Yunxing, XU Weitai, WANG Fu

图1 利用常规下抽拉和新型上提拉方法进行不同方向定向凝固的示意图

Fig.1 Schematics of directional solidification in different directions using pull-down (a) and pull-up (b) methods, resulting in upward solidification (UWS) and downward solidification (DWS), respectively