对近年来发展较快的自动铺带技术、树脂转移成形、丝束铺放技术以及电子束固化技术等低成本复合材料技术的进展及其应用现状进行了综合论述。根据美国军民用飞机制造商及其主 承包商提供的信息表明：在先进复合材料结构件的成本组成中，材料占１５％，铺层占２５％，装配占４５ In this paper, the development and application status of low cost composite materials such as automatic tape spreading technology, resin transfer forming, tow laying technology and electron beam curing technology developed fast in recent years are discussed. According to information provided by the U.S. military and civilian aircraft manufacturers and their prime contractors, the cost of advanced composite structural components is 15% for materials, 25% for plies and 45 for assemblies