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7 采用上提拉法制备的CMSX-4叶片缘板铸态和热处理态纵截面组织的OM像

Fig.7 Longitudinal section OM images of platform in as-cast (a) and heat treated (b) states for CMSX-4 blade prepared by pull-up method