2、硬度的统一,从而扩展其应用领域。同时,金属钨在这些领域中的应用还与其形貌、粒度的分布有着密切的关系。本文综述了近年来超细钨粉的多种制备方法,并对比不同方法所制备超细粉末的优缺点。最后在生产工艺的介绍中本文挑选了目前工业上最常用的三氧化钨还原法制作钨粉的方法以及各种超细钨粉的生产方法做出了分析和研究。关键词:钨粉;性质用途;工业研究;超细钨粉;三氧化钨氢还原法ABSTRACTTungstenpowder inindustrialproduction occupied anincreasinglyimportantposition,thispaperfocuses on the
4、nproductionprocess.Tungstenwithawiderangeofusesthemostimportantrawmaterialfortungstenalloyoftungstenpowder,theparticlesizeofthesizeofthealloyplayacrucial roleintheperformance. Thegrainsizeof thetungsten powder is coarse,mediumand fine.Alloys containing fineparticles than coarseparticles co
5、ntaining alloy,itsperformance significantlyimproved; if alloy containing finegrain,the performancecanbe aqualitativeleap,toachievehigh strengthand highhardness unity toextenditsfieldofapplication. Meanwhile,themetal tungsten intheseareas andtheirapplication also morphology, particlesize di
6、stribution hasacloserelationship. Thispaperreviewsrecent varietyof fine tungstenpowder preparationmethod, andcomparethe differentmethods ofUltrafine Powder advantagesanddisadvantages.Finally,in theintroductionto thispaper, theproductionprocess ofthecurrentselectionof themostcommonlyused in
7、dustrial reduction oftungstentrioxidetungstenpowder production methods andavarietyof ultra-fine tungstenpowderproductionmethods madethe analysisandresearch.Keywords:tungsten;powdernature uses;industrialresearch;ultrafine tungsten;tungstentrioxide hydrogen redu