The paper introduces the tensile propertiy of 1420 Al_Li alloy welds by EB welding, and the fracture behaviours of welds and the states of heat treatment affecting the properties are discussed.

• 主要介绍了1420铝锂合金电子束焊接接头的拉伸性能，并分析了焊接接头的断裂行为以及不同的热处理状态对其性能的影响。