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4 铸件表面粘砂层的SEM和EDS分析

Fig.4 SEM and EDS analysis of sand-burning layer on casting surface. (a) micromorphology, (b) Al element, (c) O element, (d) Si element and (e) EDS elemental analysis