高纯材料电子束精炼制备技术研究现状与发展趋势  

Progress in Research and Development of Preparation of High-Purity Materials by Electron Beam Melting

作　　者：谭毅[1,2] 石爽[1,2] TAN Yi;SHI Shuang(School of Materials Science and Engineering,Dalian University of Technology,Dalian 116023,China;Engineering Laboratory for New Energy Material Energetic Beam Metallurgical Equipment of Liaoning Province,Dalian University of Technology,Dalian 116023,China)

机构地区：[1]大连理工大学材料科学与工程学院,大连116023 [2]大连理工大学辽宁省新能源材料载能束冶金装备工程实验室,大连116023

出　　处：《航空制造技术》2018年第23期28-36,共9页Aeronautical Manufacturing Technology

基　　金：中央高校基本科研业务费项目(DUT18ZD206)

摘　　要：科学技术的不断发展对材料纯度的提升提出了迫切要求,高纯材料产业已经渗透到国民经济、国防建设和社会生活的各个领域,对经济、社会的发展具有举足轻重的作用。利用高纯冶金技术制备高纯材料,是衡量一个国家或地区冶金技术发展水平的重要标志。与其他精炼技术相比,电子束精炼技术具有真空度高、温度高、可控性好、对原材料形状没有限制等特点,为解决材料高纯化问题提供了可能。综述了国内外电子束精炼技术在制备高纯单元材料和多元合金材料方面的研究现状,同时指出了目前存在的主要问题及发展方向,为开发高效、低成本、可大规模应用的电子束精炼技术提供了思路。With the continuous development of science and technology,the demand for high-purity materials becomes more and more urgent.The high purity material industry has penetrated into various fields of national economy,national defense construction and social life,which plays an important role in economic and social development.The preparation technology for high-purity materials is an important symbol to measure the development level of metallurgical technology in a country.Compared with other melting technologies,electron beam melting technology has the characteristics of high vacuum,high temperature,good controllability,and it is not limited by the shape of the raw material.Therefore,this technology is possible to solve the problems in preparation of high-purity materials.This paper reviews the research status of electron beam melting technology in preparation of high-purity simple substance and multicomponent alloy.Meanwhile,the current major problems and development directions are discussed,which provide ideas for the development of electron beam melting technology with high efficiency,low cost and large-scale application.

关 键 词：电子束精炼 高纯化 单元材料 多元合金 杂质 

分 类 号：TB34[一般工业技术—材料科学与工程]