The research results on the zone melting rate effect on the quality of monocrystal molybdenum show that:(1)There is a large number of sub-structure in the single crystal.

• 研究表明:电子束悬浮区熔钼单晶体内存在大量的亚结构,位错在结束的地方表现为山峰状的三角形突起,而亚晶界是由这些山峰状突起连接而成;