化学还原法制备非晶态合金纳米粉末研究进展  

ADVANCES IN THE PREPARATION OF AMORPHOUS ALLOY NANOPARTICLES BY CHEMICAL REDUCTION

作　　者：袁子洲[1] 陈金妹[1] 

机构地区：[1]兰州理工大学甘肃省有色金属新材料省部共建国家重点实验室,甘肃兰州730050

出　　处：《粉末冶金工业》2006年第6期43-48,共6页Powder Metallurgy Industry

基　　金：甘肃省教育厅基金(0503-08)

摘　　要：简要介绍了用化学还原法制备非晶合金纳米粉末的具体步骤。重点讨论了制备二元非晶粉末的反应机理以及还原剂的浓度、加入顺序、加入速度、反应温度、反应溶液的初始pH值等工艺因素对产物成分和性能的影响。并对制备三元及三元以上的非晶合金纳米粉末的研究进展作了简要介绍;对该领域今后需要重点研究的一些理论问题进行了归纳。The reactions of transition metal ions with borohydride in aqueous solution for preparation of amorphous alloy nanoparticles（AANP）are introduced. The reaction mechanism, according to which the composition of the binary AANP can be predicted and the effects of some preparation parameters, such as the concentration and feeding rate of reducing agent, and reaction temperature,on the composition of the products are discussed. The effects of initial pH value of the reaction mixture and the feeding sequence on the products composition are also discussed. The advance in the preparation of ternary and multi - component AANP are briefly introduced.At last some scientific problems about this technology, which need to study deeply, are summed up.

关 键 词：化学还原法 非晶态合金 纳米粉末 制备 反应机理 工艺因素 

分 类 号：TB383.1[一般工业技术—材料科学与工程]