高性能细晶钨及钨合金的研究进展  

Advances in Fine Grained Tungsten and Tungsten Alloys with High Performance

作　　者：范景莲[1] 李鹏飞[1] 刘涛[1] 韩勇[1] 吕永齐 

机构地区：[1]中南大学粉末冶金国家重点实验室,湖南长沙410083

出　　处：《中国钨业》2015年第2期41-48,共8页China Tungsten Industry

基　　金：国家科技部重大专项(2014GB115000);教育部博士点基金(20130162130002)

摘　　要：高性能钨及钨合金是国防工业和尖端技术领域中的关键材料,新的制备技术使钨材料在致密度、组织均匀性、力学性能及物理性能等方面有了明显提高。综述了国内外采用纳米复合技术制备细晶W-Ni-Fe合金、细晶WCu材料、高致密细晶纯钨材料,以及采用微纳复合技术制备稀土氧化物和碳化物增强细晶钨的研究进展,分析了目前制备过程中存在的问题,并进一步展望了高性能钨及钨合金材料的发展趋势和应用前景。High performance tungsten and tungsten alloy is one of the key materials in the field of national defense industry and advanced technology.The new preparation technology of tungsten materials has been significantly improved in the density, microstructure, mechanical properties and physical properties.The present paper reviews the domestic and abroad research progress in which preparation technology of fine grained W-Ni-Fe alloy, fine grain W-Cu material and high density fine grain tungsten materials by using nano composite, as well as the preparation of rare earth oxides and carbide reinforced fine grain tungsten by the method of micro nano composite technology, analyzes the existing problems in the process of preparation, and further looks forward to the development trend of high performance tungsten and tungsten alloy material and its aoolication prospect.

关 键 词：高性能钨合金 细晶 组织均匀性 纳米复合技术 微纳复合技术 

分 类 号：TG146.411[一般工业技术—材料科学与工程]