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8 采用上拉法制备的CMSX-4叶片缘板铸态和热处理态上、下表面横截面组织的OM像

Fig.8 Cross-section OM images near the top (a1, b1) and bottom (a2, b2) surfaces of the platform in as-cast (a1, a2) and heat treated (b1, b2) states for CMSX-4 blade prepared by pull-up method