超细金属微粒是新材料的重要部分,是一种在纳米级范围内研究的新的物理状态,具有与人们通常所认识的“块状”材料不同的新的物理、化学特性,以及崭新的应用前景.因此国际上在发展新材料的计划中,都瞄准这一新的纳米科技的前沿领域,并促使其研究、开发和应用迅速发展.纳米级金属微粒的制备方法很多,大致可分为物理、化学和综合方法等.发展较快的有激光气相法、激光加热蒸气法和红外多光子解离法.本文研究用超声化学方法产生非晶态铁微粒.非晶态铁可作为耐腐蚀涂料、高磁性记录密度材料以及用于制造电力变压铁 Ultrafine metal particles, an important part of new materials, are a new physical state studied in the nanometer range with new physical and chemical properties different from what are commonly known as “bulk” materials, as well as new Application prospects, so the international plan for the development of new materials, are targeting the cutting-edge areas of this new nanotechnology and promote its rapid development of research, development and application of nano-sized metal particles prepared by many, can be divided into Physical, chemical and integrated methods, etc. Rapid development of the laser vapor phase method, laser heating vapor and infrared multiphoton dissociation method.In this paper, the use of ultrasound chemistry to produce amorphous iron particles amorphous iron can be used as corrosion-resistant Coatings, high magnetic recording density materials and for the manufacture of electrical transformer irons