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简述了外场辅助球磨技术的发展及其在材料制备中的应用.介绍了近年来发展的介质阻挡放电等离子体(DBDP)辅助球磨新技术的基本原理和方法,阐述了DBDP辅助球磨利用等离子体的热效应、高能电子轰击效应和球磨机械力效应的协同作用,增强粉体在球磨过程中的组织细化、活性激活、化学反应等效果和机理.在此基础上,简要介绍了该方法在硬质合金、锂离子电池负极材料、储氢材料等制备中的应用.研究结果表明,采用DBDP辅助球磨制备上述材料,不仅极大提高了球磨方法制备材料的效率,而且通过形成独特的结构显著提高了材料的性能;此外,还有可能建立新的材料生产制备工艺.已取得的研究结果表明,DBDP辅助球磨技术在粉末材料细化、材料表面改性、机械合金化、复合材料制备和气固反应等方面具有巨大的潜力.
In this paper, the development of outfield assisted milling technology and its application in material preparation are briefly introduced.The basic principle and method of new technique of auxiliary ball milling with DBDP (Plasma Discharge Plasma) are introduced in this paper, The synergistic effect of the high-energy electron bombardment effect and the ball mill mechanical force effect, and the enhancement of the structure and activity of the powder during ball milling, the effect and mechanism of the chemical reaction, etc. On this basis, And the hydrogen storage materials etc. The results show that the DBDP assisted ball milling to prepare the above materials not only greatly improves the efficiency of the material prepared by the ball milling method but also significantly increases the formation of a unique structure In addition, it is possible to establish a new material production and preparation process.The results obtained show that the DBDP assisted ball milling technology in the refining of powder materials, surface modification of materials, mechanical alloying, composite preparation and gas-solid reaction And so on has great potential.