镍基高温合金定向凝固用陶瓷型壳粘砂反应

石振威, 郑伟, 卢玉章, 张功, 申健

Sand-burning Reaction of Ceramic Shell for Directional Solidification of Nickel-based Superalloy

SHI Zhenwei, ZHENG Wei, LU Yuzhang, ZHANG Gong, SHEN Jian

图5 常规型壳浇注铸件粘砂层表面、优化型壳浇注铸件粘砂层表面、常规型壳浇注铸件光滑区域表面的SEM照片以及常规型壳浇注铸件光滑区域的EDS面扫图和优化型壳浇注铸件光滑区域表面的SEM照片

Fig.5 Cross section SEM images of casting surface layer. (a) sand-burning layer on casting surface of regular shell, (b) sand-burning layer on casting surface of optimization shell, (c) smooth area of casting surface of regular shell, (d, e) EDS surface scan of the smooth area of conventional casting shell casting and (f) smooth area of casting surface of optimization shell