1)aluminothermic reduction铝热还原
1.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
2.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。
3.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。
英文短句/例句
1.SHTS with aluminathermic reduction stage带铝热还原期的自蔓燃高温合成
2.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
3.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
4.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
5.Thermal Analysis of Preparation Cr_2O_3-Al_2O_3-Cr Ceramet by Al Deoxidization Chromium OxideCr_2O_3铝热还原制备Cr_2O_3-Al_2O_3-Cr金属陶瓷的热分析
6.Mechanism and thermodynamics of carbothermal reduction of alumina氧化铝碳热还原反应机制及其热力学
7.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
8.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
9.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
10.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
11.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
12.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
13.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
14.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
15.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
16.Effect of Reducing Atmosphere on Alumina Clinker Sintering还原气氛在氧化铝熟料煅烧中的作用
17.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
18.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
相关短句/例句
aluminothermic deoxidization铝热还原
1.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。
2.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。
3)aluminothermic reduction铝热还原法
1.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
2.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。
3.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。
4)Mg(Al) thermoreduction镁(铝)热还原
5)aluminium-magnesium thermoreduction铝镁热还原
6)aluminothermic reduction-carbonization铝热还原碳化
1.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。
延伸阅读
电热还原法生产铝硅铁母合金电热还原法生产铝硅铁母合金production of aluminium-silicon-ferro master alloy by electrothermal reduction d ianre huanyuanfa shengehanl口gu!tie muhejin电热还原法生产铝硅铁母合金(producti二ofaluminium一silieon一iron master alloy byeleetrothermal reduetion)铝基母合金生产方法之一。以碳作还原剂并加入废铁，在电弧炉内同时还原氧化铝和氧化硅产出铝硅铁母合金的过程。与电解法生产铝硅母合金的原理不向，过程输入的电能主要起加热和升温的作用。由于本法制得的产品纯度低，生产成本高，已为其他生产铝硅铁母合金的方法所取代。 简史采用电热还原法生产铝硅合金始于19世纪中叶，美国于1886年用此法生产了第一批商业铝硅合金。当时生产的合金含铝15%，其余为铜、铁、镍等。以后，德国在1935~1945年间，生产出含铝60%、余为硅的铝硅合金。只要往这种合金中添加少量的纯铝便可以制得可供直接使用的铸造铝合金，从而把电热还原法生产铝硅合金的技术向前推进了一大步。美国在1965一1969年间用电热还原法生产铝硅合金，经离心分离后，得到含铝86%、硅13%的铝硅合金。这种合金可以直接用作铸造合金。 中国抚顺铝厂于20世纪60年代进行过电热还原法生产铝硅合金的研究，制得含铝60%的铝硅合金。在70年代初期，唐山钢厂也进行了工业规模的试验，得到了含铝30%~40%、余为硅和铁的铝硅铁合金。这种合金可直接用作炼钢的脱氧剂。 工艺电热还原法生产铝硅铁母合金主要由炉料准备、电弧炉还原、净化、缓慢冷却、离心分离等作业组成(见图)。 铝土矿、还原剂碳和返回料混合后，经粉碎制团、干燥，然后在电弧炉中还原。电弧炉为埋弧电弧炉，其特点是电极深埋，防止有价金属挥发和长炉底。 所得合金含A16o%、5130%~35%、(Fe+Ti)5%、c1%。此种粗合金需要经过净化和精炼，清除其中所含夹杂和碳化物，然后缓慢冷却到883K温度。此温度接近Al一Si合金共晶点的温度。在冷却过程中，首先析铝矿还原剂碳化户 l犁斧上~半 一次产物副产品 (A 186%、5113%、Fel%) 电热还原法生产铝硅铁母合金工艺流程出钦、铁、硅等高熔点金属及其化合物。析出的固态物质呈海绵状，而在海绵状产物之间的孔洞中充填着接近共晶组成的铝硅合金液体。最后采用离心的方法把富铝合金液体从孔洞中分离开来，便得到含A186%、5113%、Fel%左右的铝硅铁合金最终产品。 主要反应电热还原生成铝硅铁母合金的反应机理相当复杂，至今尚未研究清楚。
