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1 型壳面层的孔隙率

Fig.1 Porosity of ceramic shell surface