Effect of atmosphere on synthesis of titanium nitride in aluminothermic reduction process;
反应气氛对铝热还原氧化钛合成氮化钛的影响
Using metal Al and TiO2 powders as starting materials TiN/Al2O3 composite ceramics were prepared by aluminothermic reduction of TiO2 in coke bed and a flowing nitrogen stream.
以金属铝粉和钛白粉为原料,在流动氮气和匣钵埋碳保护气氛下采用铝热还原氮化法制备了TiN/刚玉复合陶瓷。
The result of thermodynamic calculation shows that the reduced products of V_2O_5 carbothermic reduction is the carbide of vanadium,the system of silicothermic reduction should add CaO,aluminothermic reduction can reach a reduc- tion rate of 99%,the reduction ability of Al is more effective than that of C and Si.
热力学计算结果表明,V_2O_5碳热还原产物是V的碳化物；硅热还原体系中需配加CaO；铝热还原可以得到99％的还原率,Al的还原能力比C和Si都要强。
To the problems that residual oxygen content is high and deoxidizing difficult in the production process of high ferrotitanium by adopting aluminothermic deoxidization method,through observing the microstructures of oxygen element in high ferrotitanium by the numbers,the conformation of oxygen element in high ferrotitanium is determined.
针对用铝热还原法生产高钛铁中的O残留量高和难以脱除的问题,通过系统地观察O在高钛铁中的微观组织结构,确定了O在高钛铁中的存在形态。
To the problems that residual oxygen content is high and deoxidizing difficult in the production process of high ferrotitanium by adopting aluminothermic deoxidization method,through observing the microstructures of oxygen element in high ferrotitanium by the numbers,the conformation of oxygen element in high ferrotitaaium is determined.
针对用铝热还原法生产高钛铁中的 O 残留量高和难以脱除的问题,通过系统地观察 O 在高钛铁中的微观组织结构,确定了 O 在高钛铁中的存在形态。
Reaction mechanism of Sr preparation using vacuum aluminothermic reduction;
真空铝热还原法制备金属锶的反应机理
Purity control in producing metallic strontium using vacuum aluminothermic reduction was analysed by thermodynamic calculation.
对真空铝热还原法制备高纯金属锶的纯度控制进行了热力学分析;探讨了锶、钡和钙的临界还原温度、蒸气压等热力学参数差异,并制定了制备高纯金属锶的工艺。
The strontium recovery in producing metallic strontium using vacuum aluminothermic reduction was investigated.
对真空铝热还原法制备金属锶的锶还原率进行了试验研究,分析了SrO的焙烧工艺、原料粒度、混料压制团块压力、原料配比、真空度、加热温度、还原时间等对锶还原率的影响,并对金属锶进行了化学成分分析,对渣相组成进行了XRD定量分析。
WC-TiC-Al2O3 powders were synthesized by means of aluminothermic reduction-carbonization with metallic Al powder,H2WO4,H4TiO4 and graphite as raw materials under the protection of coke granules.
以铝粉、钨酸、钛酸和石墨粉为原材料,利用埋碳保护法铝热还原碳化合成WC-TiC-Al2O3复合粉。
SHTS with aluminathermic reduction stage
带铝热还原期的自蔓燃高温合成
Basic Research on Refining of High Titanium Ferroalloy Based on Thermite Reduction
铝热还原精炼制备高钛铁的基础研究
Preparation of Spinel-Corundum-Sialon Composite Materials from Aluminum Dross and Fly Ash by Aluminothermic Reduction-Nitradation
利用铝灰和粉煤灰铝热还原氮化制备镁铝尖晶石-刚玉-Sialon复相材料
Synthesis of AlON Powder by Aluminothermic Reduction and Its Thermodynamic Analysis
铝热还原法合成AlON粉体及其热力学分析
Thermal Analysis of Preparation Cr_2O_3-Al_2O_3-Cr Ceramet by Al Deoxidization Chromium Oxide
Cr_2O_3铝热还原制备Cr_2O_3-Al_2O_3-Cr金属陶瓷的热分析
Mechanism and thermodynamics of carbothermal reduction of alumina
氧化铝碳热还原反应机制及其热力学
Preparation of AlN Powder by Microwave Carbon Thermal Reduction
微波碳热还原法制备氮化铝粉末的工艺研究
Carbothermal Reduction Process for Production of Coarse Al-Si Alloy
碳电热还原法熔炼一次铝硅合金的反应过程
Study on Technological Test of Preparation of Al-Mg-Sc-bearing Master Alloy by Aluminum-magnesium Thermal Reduction on Anhydrous Scandium Chloride Molten Salt
铝镁热还原无水氯化钪熔盐制备铝镁钪中间合金工艺试验研究
Low Cost Preparation of Aluminum Nitride Ceramic Substrate by Carbothermal Reduction Nitridation;
氮化铝陶瓷基片碳热还原法低成本制备技术研究
Phase transformation of MgAl_2O_4-SiAlON composites synthesized by carbonthermal reduction and nitridation method from magnesite and bauxite
碳热还原氮化菱镁石和铝矾土合成MgAl_2O_4-SiAlON的物相演变
PREPARATION OF SILICON CARBIDE WHISKER/ALUMINA COMPOSITE CERAMIC POWDER FROM KAOLINITE/POLYSTYRENE INTERCALATION COMPOUND BY CARBOTHERMAL REDUCING REACTION
高岭石/聚苯乙烯插层复合物碳热还原反应制备碳化硅晶须/氧化铝复相陶瓷粉体
Treatment of High Iron Al-containing Resources by Reductive Sintering to Recover Al and Fe Comprehensively
还原烧结高铁含铝物料综合提取铝和铁
THE STUDY OF CALLOY MAKING BY THE REDOX REACTION BETWEEN ALUMINUM AND CALCIUM
用铝还原氧化钙制取铝钙合金的试验研究
SYNTHESIS AND REDUCTIVE PROPERTIES OF NEW Ni-Sn-Al LAYERED DOUBLE HYDROXIDES
新型镍锡铝水滑石的合成及还原性能
Effect of Reducing Atmosphere on Alumina Clinker Sintering
还原气氛在氧化铝熟料煅烧中的作用
Research on the in-situ Synthesized Hypereutectic Aluminum-silicon Matrix Composites with Heat-resisting and Wear-resisting;
原位合成耐热耐磨高硅铝基复合材料的研究
Summary on reason of aluminum alloy panel radiator by vacuum brazing leak out
铝合金板式换热器真空钎焊泄漏原因分析