晶格优选方位
Lattice preferred orientation
变晶定向
crystalloblastic orientation
倒易晶格向量
reciprocal lattice vector
定向晶体组织
unidirectional crystallization microstructure
晶格向量倒数
reciprocal lattice vector
气体/金属共晶定向凝固
gas-metal eutectic unidirectional solidification