Molecular dynamics study of the melting point for refractory metals (Vanadium,Niobium, and Tantalum);
分子动力学研究难熔金属(V、Nb和Ta)熔点
This paper reviews the conventional fused salt electrolysis process for production of refractory metals and analyzes its shortages: conventional electrolysis has strict demands for electrolyte, which leads failure in production of refractory metals with conventional electrolysis.
介绍了传统的熔盐电解法用于难熔金属制备的应用现状,分析了其存在的弊病:主要是传统熔盐电解法对电解质要求严格,难以找到合适的熔盐。
The present status of research and application of ultra-high temperature materials such as refractory metals,ceramic matrix composites and carbon/carbon composites were summarized.
综述了难熔金属、陶瓷基复合材料及炭-炭复合材料等超高温材料的研究和应用现状,分析了目前存在的问题,提出了今后的研究方向。
The Research of the Growth and Control System of Refractory Metal Based on the Floating Zone-Melting Method;
基于悬浮区熔技术的难熔金属生长控制系统研究
The application and development of the refractory metals and alloys are reviewed.
难熔金属及合金以其优异的性能在航空航天、电子信息、能源、化工、冶金和核工业等国防及民用领域有着不可替代的作用,其发展日益受到高度重视。
Vacuum vertical sinter furnace is an important equipment to prepare such refractory metals as Ta,Ni,W and Mo through powder metallurgy.
真空垂熔烧结炉是粉末冶金法制取是金属钽、铌、钨、钼等难熔金属的主要设备,本文介绍了1000 kW真空垂熔烧结炉的设计和特点。
Three composites of 2D C/SiC-ZrB2(TaC,ZrC) were prepared via introducing of refractory compounds(ZrB2,TaC,ZrC) into 2D C/SiC composites,and the influences upon mechanical,oxidation resistant performance and microstructures of 2D C/SiC composites were investigated.
提出在2D C/SiC复合材料基体中掺杂难熔金属化合物ZrB2,TaC,ZrC,制备了2D C/SiC-ZrB2,2D C/SiC-ZrC和2D C/SiC-TaC新型复合材料,考察了难熔金属化合物的引入对材料力学性能、抗氧化性能和微观结构的影响。
refractory metals made by powder metallurgy
粉末冶金难熔金属材料
A Novel Process of Preparation Refractory Metal and Alloy Drectly from Metal Oxide
金属氧化物直接制备难熔金属及合金的新工艺
Hard alloy, refractory metal, superhard alloy (diamond) products, etc.
硬质合金、难熔金属、超硬合金（金刚石）制品等。
ON DEVELOPMENT OF REFRATORY METALS INDUSTRY IN CHINA AFTER ENTERING INTO WTO;
加入WTO后我国难熔金属工业发展浅析
The refractory metals and refractory metal silicides that are used to augment or replace the polysilicon are generally deposited by physical vapor deposition processes.
用于增强和取代多晶硅的难熔金属和难熔金属硅化物通常是用物理蒸发沉积工艺沉积的。
Research on the Technology of Molybdenum Crystals of Refractory Metals Prepared by Electron Beam Floating Zone Melting;
难熔金属钼晶体的电子束悬浮区熔定向凝固工艺研究
The Molecular Simulation Study of the Low Surfaces Thermodynamic Melting of Refractory Metals (V,Nb,W);
难熔金属（V、Nb、W）低指数表面熔化的分子动力学模拟研究
The Research of the Growth and Control System of Refractory Metal Based on the Floating Zone-Melting Method;
基于悬浮区熔技术的难熔金属生长控制系统研究
Situation of refractory metal processing industry and its application in vacuum furnace industry;
难熔金属加工业现状及在真空炉行业中的应用
The combination of refractory and noble metals in a single layer makes etching a formidable task.
难熔金属和贵金属组合的这一层薄膜使刻蚀成为一个艰巨任务。
Valence Bond Structures and Phase Stability of Refractory Metals (W, Mo, Ta, Nb) and Their Binary Alloys;
难熔金属W、Mo、Ta、Nb及其二元合金的价键结构和相稳定性
Standard method for determination of particle size of powders of refractory metals and compounds--Fisher method
GB/T3249-1982难熔金属及化合物粉末粒度的测定方法费氏法
Fluorides CVD Methods for Refractory Metal In CIS Countries (Ⅰ)
独联体国家的难熔金属氟化物化学气相沉积技术（上）
Fusion of metals in an alloy; the difficult fusion of conflicting factions.
金属熔化为合金；有利益冲突的派别很难融合
To separate(the metals in an alloy)by melting the more fusible constituents while leaving the less fusible ones solid.
熔析通过熔解易熔成份，而使难熔成份保持固体状分离（合金中的金属成分）
hot-metal charge
熔融金属料, 铁水
liquation process
熔析法 -金属精炼
