前言机械合金化是本世纪七十年代之后兴起的一门制作合金的新工艺。它能生产用一般熔炼方法和普通粉末方法均不能实现的、既含有大量活性元素又含有氧化物粒子的合金。即它既能实现弥散强化,同时亦能实现固溶及沉淀强化。目前,国外已用此法研制出三种商品高温合金MA754,MA956、MA6000及二种铝合金IN-9052-F、IN-9021-T4。因而机械合金化不仅能使镍基高温合金的耐温能力显著提高, Introduction Mechanical alloying is the rise of the seventies of this century, a new technology for making alloy. It produces alloys that contain both large amounts of active elements and oxide particles that can not be achieved by conventional smelting methods and ordinary powder methods. That is, it can not only achieve dispersion strengthening, but also achieve solid solution and precipitation hardening. At present, three kinds of commercial superalloy MA754, MA956, MA6000 and two kinds of aluminum alloy IN-9052-F and IN-9021-T4 have been developed abroad by this method. Thus mechanical alloying can not only make the nickel-based superalloy significantly improve the temperature resistance,