最近十年,铝的粉末冶金(PM)有了很大发展,突出表现在利用快速冷凝技术(RST)和机械合金化技术(MA)研制出一批高性能的合金,与此同时,PM烧结铝合金继续得到普遍的应用。先进飞机的设计主要寄托于具有高弹性模量和低密度的Al-Li合金的发展、而使用RST技术的PM工艺有利于克服铸锭加工 In the last decade, there has been a great development in aluminum powder metallurgy (PM), highlighting the development of a number of high-performance alloys using Rapid Condensation Technology (RST) and Mechanical Alloying Technology (MA), while PM sintering Aluminum continues to gain widespread adoption. The design of advanced aircraft is mainly focused on the development of Al-Li alloys with high elastic modulus and low density, while the PM process using RST technology is advantageous for overcoming ingot processing