Method for obtaining aluminium-scandium alloy combination |
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IPC classes for russian patent Method for obtaining aluminium-scandium alloy combination (RU 2507291):
Modifying alloying bar al-sc-zr / 2497971
Alloying bar contains the following, wt %: scandium 0.8-1.5, zirconium 0.8-1.5; at least one of the following elements: manganese up to 0.10, chrome up to 0.10, titanium up to 0.10, molybdenum up to 0.10, iron up to 0.30, silicon up to 0.20, and aluminium is the rest.
 Method for obtaining titanium-containing alloy for steel alloying / 2497970
Reaction powder mixture containing 45-88 wt % of titanium-containing component and 12-55 wt % of silicon-containing component is prepared. Powders with particle size of less than 5 mm are used. After that, an exothermic reaction of combustion in inert atmosphere is initiated in the mixture.
Method to produce aluminium-copper alloys / 2486271
Aluminium alloy is prepared, reheated over alloy liquidus curve temperature. Copper is added into the aluminium melt in the form of a wire, at the same time electric current is sent between the wire and the melt. Wire melting is carried out without formation of an arc at the ratio of current density to speed of wire feed equal to 0.3-1.0·1010 A·s/m.
 Alloy of out-of-furnace production of steel and iron and blend to this end / 2483134
Proposed composition contains the following substances, in wt %: titanium - 30- 50, zirconium - 1-25, silicon - 15-30, aluminium - 0.1-3, iron making the rest. For production of proposed alloy the blend is used that contains ilmenite concentrate, rutile, coal, quartz sand, quartzite, and zirconium concentrate.
Alloy for alloying of steel with titanium / 2482210
Alloy contains the following components, wt %: titanium 45-75, silicon 5-45, aluminium 5-15, carbon not more than 0.2, iron - balance, at the same time the mass ratio of titanium to aluminium is within the limits from 3:1 to 15:1.
Method for production of aluminium-zirconium ligature (versions) / 2482209
For production of aluminium-zirconium ligature, aluminothermal recovery of zirconium is carried out from its compounds in the environment of melted metal halogenides. Zirconium is recovered from its fluoride or oxide, and also from fluozirconate or oxifluozirconate of alkaline or alkaline-earth metal in presence of potassium chloride, sodium fluoride and aluminium fluoride, introduced into the melt or formed in the process of aluminothermy. The temperature of the process amounts to 850-1150°C. Recovery is carried out under the layer of chloride cover flux, containing potassium and sodium chlorides at the following ratio of components, in the mixture, wt %: potassium chloride 42-45, sodium chloride - balance. The melt is soaked for 15-30 minutes, and bars are poured. The invention makes it possible to produce bars of ligature with homogeneous structure with dimensions of intermetallides of up to 15-30 mcm, at the same time non-return losses of zirconium are reduced down to 7-9%, environmental characteristics of the process are improved.
Alloy combination for production of castings from high-strength cast-iron (versions) / 2480530
As per Version 1, alloy combination contains the following, wt %: silicon 22.0-30.0, magnesium 9.0-12.0, cerium 0.4-0.6, copper is the rest; as per Version 2, alloy combination contains the following, wt %: silicon 22.0-30.0; magnesium 9.0-12.0, misch metal 0.8-1.2, and copper is the rest.
Method for obtaining nitrogen-containing alloy for alloying of steel and cast iron, and nitrogen-containing alloy for steel and cast iron alloying / 2479659
Bearing titanium-chrome ferroalloy is crushed to powder with particle size of less than 0.2 mm. Titanium-chrome ferroalloy contains the following, wt %: chrome - 5.0-35.0, titanium - 15.0-30.0, aluminium - 5.0-10.0, silicon - 5.0-8.0, and iron is the rest. Total amount of Ti, Cr, Si, Al is 30.0-82.0 wt %. Powder is loaded to the container that is moved to a SHS reactor; an exothermic burning reaction is initiated in a layer-by-layer mode at nitrogen pressure of 1.0-15.0 MPa.
 Method for obtaining aluminium-titanium alloy combination (versions) / 2477759
Invention refers to non-ferrous metallurgy and can be used for obtaining alloys based on aluminium. In order to obtain aluminium-titanium alloy combination, alumino-thermal reduction of titanium from its compounds is performed in the environment of molten halogenides of metals. Titanium is reduced from its fluoride or oxide, as well as from fluorotitanate or oxyfluorotitanate of alkali or alkali-earth metal in presence of potassium chloride, sodium fluoride and aluminium fluoride, which are introduced to molten metal or formed during aluminothermic process. The temperature of the process is 850-1150°C. Reduction is performed under the layer of covering flux chloride, which contains potassium and sodium chlorides at the following ratio of components in the mixture, wt %: potassium chloride 42-45, sodium chloride is the rest. Molten metal is exposed during 15-30 minutes and poured into billets. The invention allows obtaining billets of the alloy combination with homogeneous structure with intermetallides with the size of up to 15-30 mcm, reducing non-collectable titanium scrap to 7-9% and improving environmental characteristics of the process.
Foundry alloy for casting heat-resistant titanium alloy and method of its making / 2470084
Invention relates to metallurgy of nonferrous metals, particularly, to production of foundry alloy for alloying refractory titanium-base alloys. Proposed composition contains the following substances, in wt %: tungsten 48.0-52.0, titanium 10.0-20.0, hafnium 0.08-0.1, aluminium making the rest. Charge is smelted in vacuum arc furnace with nonconsumable tungsten electrode. Note here that at first step, titanium placed on bottom of copper water-cooled casting mould and tungsten of higher density is placed there above. Titanium and tungsten are dissolved and melted in proportion corresponding to their content in foundry alloy to make integral ingot at arc current between charge and electrode of 750-1100 A and melting time of 3-10 min. To average ingot chemical composition, ingot is removed from casing mould to subject it to remelting at temperature higher than liquidus temperature of the alloy of titanium and tungsten. Then, required amount of aluminium and hafnium is added to remelted ingot to be placed under aforesaid ingot to proceed with melting at 1750-1900°C.
 Cast composite alloy and method of its production / 2492261
Proposed alloy comprises inclusions of intermetallide phases Al3X, AlX, AlX3, where X is Ti, Zr, V, Fe, Ni sized to <10 mcm in amount of 5-20 vol. %, high-strength endogenous ceramic nano-sized particles of TiB2, TiC, Al2O3 sized to <50 nm obtained in adding them to the melt in amount of 0.1-2.0% of its weight and reinforcing discrete ceramic particles with average size of 14 mcm obtained in adding them to the melt in amount of 1-5% of its weight. Proposed method comprises mixing the powders of initial components to form in interaction one with another and with matrix aluminium melt the endogenous intermetallide and ceramic nano-sized particles and process additives represented by cryolite Na3AlF6 in amount of 0.1-0.2% and aluminium powder in amount of up to 30% of mix weight, pelletising the obtained composite mix, heating the pellets to 300±10°C, introducing them in matrix melt at 850-900°C and holding the melt before filling for 15-20 min.
Aluminium-based refractory alloy for electric conductors / 2492258
Proposed composition contains the following substances, in wt %: at least one metal selected from rare-earth metals - 2.5-4.5, iron - 0.05-0.1, beryllium - 0.05-0.1, aluminium making the rest. Note here that alloy structure comprises inclusions of rate-earth metal eutectic intermetallides with particle size smaller than 1 mcm.
 Antifriction material and method of its production / 2470082
Invention relates to powder metallurgy, particularly, to antifriction materials and methods of their production. Antifriction material comprises mix of metallic powders containing 18.0-22.0 wt % of tin and, aluminium making the rest, and powder serpentine of general formula Mg3Si2O5(OH)4 at the following ratio of components in wt %: mix of metallic powders 70.0-95.0, serpentine powder 5.0-30.0. To make antifriction material, mixed are tin powder with particle size smaller than 45.0 mcm in amount of 18.0-22.0 wt %, serpentine powder with particles size smaller than 10.0 mcm in amount of 5.0-30.0 wt %, while aluminium powder with particle size smaller than 20.0 mcm makes the rest. Said mix is compacted at 500-800 MPa and sintered in air at 135-200°C for 3-5 h.
Method of making billets from fast-crystallised aluminium alloys / 2467830
Invention relates to powder metallurgy and may be used for making deformed semis from refractory, high-strength aluminium alloys and those with special properties. Aluminium melt is overheated by at least 150°C to cast pellets at cooling rate of 500 to 10000 K/s at crystallisation, cooling being performed in fluid or gas. Pellet minimum size makes 0.4 mm while its maximum size varies from 1.6 mm to 10 mm. stepwise vacuum degassing is carried out in sealed capsules. Temperature of top degassing step does not exceed 480°C while holding interval thereat does not exceed 12 hours. To evacuate desorption products, capsule with pellets is held at the temperature 50-100°C lower than that of degassing top step. Note here that total holding time makes, at least, two hours. Pellets are compacted in capsules in press container heated to at least 400°C. Compact billet is planed.
Method of producing aluminium alloys with transition metals / 2467086
Invention relates to nonferrous metallurgy and may be used in production of foundry alloys based on aluminium with transition metals. It comprises making aluminium melt overheated to above alloy liquidus temperature and adding alloying components into melt by fusing the wire. Note here that electric current flows between wire and aluminium melt. Layer of fused flux is produced on aluminium melt surface while said wire is fused by heat released in flux layer at electric current existing therein. Note also that said flux contains cryolite - 40-45 wt %, aluminium oxide - 10-20 wt %, and magnesium fluoride - 35-40 wt %.
 Composite al material reacting with water, al film reacting with water, method for obtaining al film, and component element of film-forming chamber / 2466205
Composite material for obtaining the film contains aluminium material with purity of 4NAl or 5NAl, containing In added in quantity of 2 to 5 wt % and Si, including Si in the form of impurity to basic Al material, in total quantity of 0.04 to 0.6 wt % in terms of Al quantity. Film is obtained by thermal spraying of molten metal to surface of basic material with its further consolidation by means of hardening.
 Method for obtaining aluminium-titanium-boron alloy combination / 2466202
Method involves melting of primary aluminium, batch introduction to molten aluminium of titanium-containing and boron-containing components, mixing of molten metal and its pouring, cooling and heat treatment. As titanium-containing component there used is potassium hexafluorotitanate K2TiF6 in quantity of 10÷35 wt %, and as boron-containing component there used is crystalline boric acid H3BO3 in quantity of 4÷10 wt %. Titanium-containing and boron-containing components are pre-mixed and packed into cover from technical aluminium with weight of 0.2÷0.6 kg; packed components are added in portions to molten aluminium with temperature of 950÷1050°C; after that, molten metal is mixed and exposed during 0.2÷0.5 hours, and pouring of alloy combination is performed at molten metal temperature of 800÷850°C to water-cooled moulds with ratio of dimensions of length of casting to height and width of 15÷25:1÷1.5:1.5÷2 and weight of casting of 1.5÷2.5 kg; at that, cooling of molten metal in moulds is performed at the rate of 200÷250°C/min.
 Aluminium alloy / 2458170
Aluminium alloy contains the following components, wt %: at least one rare-earth metal 0.5-5.0, at least one element selected from the group: hafnium, ruthenium, stibium, beryllium, strontium, carbon 0.001-0.4, nickel and ferrum totally 0.2-0.7 at nickel and ferrum ratio 1.0-4.0, silicium, boron, titanium, zinc, manganese, cuprum totally 0.001-0.4 at boron and titanium ratio 0.01-3.0, aluminium - the rest.
Method to produce ligature material for complex modification of light alloys ingot structure / 2455380
Preparation of an alloy of aluminium with transition metals and the process of granulation of these alloys from the superheated melt is carried out. Granulating is carried out during melt crystallisation with a cooling rate of 5×101-5×102 degrees per second, and grain size in diameter shall be at least 5 mm, and the total content of transition metals in the granules is maintained at the level not higher than 5.0%.
Method to produce aluminium foam / 2455378
Mould cavity for the articles of aluminium foam is filled with water-soluble granules of a mixture of baking soda and gelatin in the ratio: 95-99.5% of sodium, 0.5-5% of gelatin, and is heated to the melting temperature. Aluminium melt is poured into a mould, while the melt fills the cavity between the granules. After solidification of aluminium melt the product is extracted from the mould and placed into the water, and the granules get dissolved in the water, forming pores.
 Gold-based alloy modifying method / 2507284
At modification of gold alloys ruthenium is added to molten metal prior to crystallisation of the alloy in the form of silver-ruthenium alloy combination. The latter is obtained by ruthenium deposition from an electrolyte by means of a galvanic method onto silver with ruthenium content of 0.001-0.01 wt %.
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FIELD: metallurgy. SUBSTANCE: method for obtaining aluminium-scandium alloy combination involves aluminium melting, aluminothermic reduction of scandium from initial charge containing scandium fluoride, calcium chloride and sodium fluoride under cover flux and further exposure of the obtained molten metal. Prior to aluminothermic reduction the initial charge is placed into a melting pot and pre-heated to the temperature of 790°C, and then, it is added to molten aluminium and aluminothermic reduction is performed at the temperature of at least 830°C. After the molten metal exposure, separate pouring of salt and metal melt is performed. An initial charge containing the following component ratio, wt %, is used: scandium fluoride - 40-45; potassium chloride - 40-45; sodium fluoride is the rest. Pre-heating of the initial charge can be performed in a graphite melting pot pre-saturated with cryolite, or in a melting pot from glass carbon. EFFECT: improvement of technological characteristics of charge; reducing volume of salts and increasing the yield of scandium to molten aluminium. 2 cl, 3 ex
The invention relates to the field of metallurgy of non-ferrous metals, in particular to methods of producing aluminum alloys with rare earth metals. Aluminum-scandium alloys are designed for receiving a deformable and industrial cast aluminum alloys and typically contains about 2 wt.% scandium. A method of obtaining an aluminum-scandium alloys aluminothermic restoring fluoride, scandium aluminum in vacuum at 865-930º aged at this temperature for 7-8 min (Zviadadze GN. and other "Study of the kinetics of interaction in the system ScF3-Al", all-Union Symposium on chemistry of inorganic fluorides. Proc. Dokl., M.: Nauka, 1978). The main disadvantages of this method are the relatively high process temperature, the necessity of evacuating the reaction medium, and the presence of residual fluorine in the ligature as a result of incomplete recovery of scandium TRIFLUORIDE. A method of obtaining alloys Al-Sc using batch ScF3:Al at mass ratio of scandium TRIFLUORIDE and aluminum 1:1,6-8 in three stages, with a gradual temperature increase (A.S. 873692, MKI SS 1/03, 1983). The disadvantages of this method are high (up to 1300º) temperature required for full recovery ScF3the duration of the process, the need for degassing These drawbacks are overcome in another known method for production of aluminum-scandium alloys, in which the mixture is in contact with liquid aluminium, consists of scandium oxide, and a salt environment, comprising fluorinating agents (fluoride of sodium and aluminium), and the basis fulls of salt (potassium chloride). The process of recovery of scandium aluminum carried out in air, under a layer of flux (U.S. Pat. RF 2124574, CL. SS 1/03, publ. 10.01.99). The main disadvantage of this method consists in the use of scandium oxide, which undergoes interaction with the fluorine-containing reagents only in the process of reduction reaction. This reduces the output of scandium in the ligature, leads to the formation of trudnoobrabatyvaemyh waste containing scandium. Also known is a method of obtaining an aluminum-scandium alloys, comprising preparing two portions of the aluminum melt (for example, in vacuum furnaces), one of which is introduced a mixture containing scandium fluoride, magnesium fluoride and potassium chloride. This is followed by mixing the two portions of metal with simultaneous supply of inert gas (Application 2009134930, SS 1/03, the publication of the application 27.03.2011). The disadvantages of this method include its technological complexity, the need for portioning of aluminum, the use of vacuum and/or inert atmosphere. The closest technical is Kim's solution is the way to obtain ligatures aluminum-scandium (containing scandium, close to 2 wt.%) (U.S. Pat. RF 2213795, MKI SS 1/00, SS 21/00, SS 35/00, publ. 10.10.2003). This method includes aluminothermic restore halide or oxide of scandium in the presence of potassium chloride and sodium fluoride at a temperature of 850-1050º under the top layer of flux. After repair carry out an extract of the obtained melt within 15-30 minutes, and scandium-containing mixture comprises, in wt.%: the scandium fluoride - 10-23, potassium chloride 49-76, sodium fluoride 13-28. The main disadvantages of this method, selected as a prototype, the following. When using it there is no possibility to significantly increase the relative content of scandium-containing reagent in the charge (due to its rheological characteristics), which leads to excessive consumption and increase in the volume of reagents (potassium chloride, sodium fluoride), which subsequently sent to the additional extraction of scandium. This circumstance reduces the adaptability of the process of introduction of the scandium-containing mixture in liquid aluminum, leads to unwanted processes, including education trudnovospituemyh of acceptedof scandium. The technical result for which the present invention is directed, is to simplify the technology for ligatures aluminum-scandium by improving the technological characteristics of the scandium-containing mixture, the convenience of the e use with the introduction of the aluminum melt and reduce turnover salts. The yield of scandium in aluminum melt does not decrease, but increases slightly in comparison with the prototype. This technical result is achieved in the method of producing alloys aluminum-scandium, including aluminothermic recovery of scandium from the original batch containing the scandium fluoride, potassium chloride and sodium fluoride under a covering flux, subsequent exposure of the resulting melt, and according to the invention before process aluminothermic restore the initial charge is placed in a crucible and heated to a temperature 790º, and then injected into the molten aluminum, the recovery is carried out at a temperature of at least 830º, after cooling of the melt to produce the casting separately salt and molten metal, the original mixture contains components in the following ratio (wt.%): the scandium fluoride - 40-45; potassium chloride 40-45; sodium fluoride - the rest. In addition, pre-heating the initial mixture is carried out in a graphite crucible, pre-saturated cryolite, or in the crucible of glass carbon. Due to the fact that in the proposed method, the ligature aluminium-scandium is produced by the interaction of a mixture of scandium TRIFLUORIDE, potassium chloride and sodium fluoride, preheated to a temperature 790º (to a temperature above the temperature the s melting potassium chloride), liquid potassium chloride penetrates the capillaries and pores of the mixture components, which remain in the solid state. When this happens partial interaction powdery components of the charge, reducing the volume of the mixture at 30-40% (due to the increase in bulk density and pore filling molten KCl). When the mixture is heated additionally dehydrated. In the process of heating carried out in separate conical crucibles (for example made of graphite impregnated with cryolite, or glass carbon), formed a compact charge agglomerates suitable for immediate loading in the molten aluminum metal. This leads to accelerate the recovery of scandium as agglomerates rather deeply immersed in molten aluminum and, due to its own high temperature (≤776º, the melting point of KCl), practically does not reduce the overall temperature of the reaction medium (as is the prototype). The proposed method for the preparation of the charge makes it possible to increase the relative content of scandium TRIFLUORIDE 2-4 times relative to the prototype. In the method prototype, it does not exceed 23 wt.% (regardless, if you enter ScF3directly or in the form of persondata other metal). In the inventive method, the mixture contains 40 to 45 wt.% scandium TRIFLUORIDE, which gives optimal the major results during the recovery. Other components are taken in the following quantities: potassium chloride - 40-45 wt.%, sodium fluoride - the rest. The proposed solution was substantiated by rigorous thermodynamic modeling of the process of recovery of scandium TRIFLUORIDE aluminum (Shubin A.B., Sunyaev CU Thermodynamic calculations of the interaction of halides of scandium to aluminium. // Journal of structural chemistry, 2010, t, No. 12, s-2210). These thermodynamic calculations showed that the scandium TRIFLUORIDE must recover the liquid aluminum is already at rather low temperatures (less than 800º). This process is hampered only kinetic problems which are eliminated by introduction of a fusible salt components. The share of these components should be sufficient to wet the scandium TRIFLUORIDE and further the "assimilation" of the reaction products recovery. The concentration limits of the contents of the main (scandium TRIFLUORIDE) and fusible (potassium chloride) components in the charge due to the fact that, on the one hand, to set a high concentration of ScF3and on the other hand, to provide preheating education compact agglomerates with optimal rheological characteristics. Sodium fluoride is defined as the compensator. It causes the introduction of additional quantities of fluoride ions (th is shift the electrochemical potential of aluminum in a negative region) and promotes the formation of complex compounds (persondata), what improves the characteristics of the mixture. When the content of scandium TRIFLUORIDE in the mixture is less than 40 wt.% the efficiency of the process decreases. This is due to the increase in the relative content of potassium chloride and sodium fluoride. The melting of potassium chloride occurs the precipitation of scandium TRIFLUORIDE and its uneven distribution over the height of the agglomerate. In addition, excessive amounts of sodium salt leads to its metallotrejderskogo recovery and partial sodium on the walls of the crucibles that contaminates the product. If the content of scandium TRIFLUORIDE exceeds 45 wt.%, this leads, on the contrary, excessive "dryness" and disintegration of the agglomerates obtained after preheating. Excessive decrease of the relative content of low-melting component (KCl) and sodium fluoride also reduces the metallurgical efficiency of the process. Experimental melting showed the need to maintain the number of low-melting component (potassium chloride) in the charge within 40-45 wt.%. When setting potassium chloride less than 40 wt.% the mixture after heating it turns out too porous, it is not completely wetting main (ScF3) and auxiliary (NaF) components. This reduces metallurgical output of scandium in the ligature. When setting the charge is excessive (more than 45 wt.%) the amount of potassium chloride sinter is, obtained after preheating, become too liquid, breaking them and stick to the walls of the crucibles. Violated the uniformity of distribution of the components in the agglomerates. All this reduces the effectiveness of the use of technology and the yield of the final product. Thus, the optimal rheological characteristics of the mixture after preheating is achieved when the content of scandium TRIFLUORIDE 40-45 wt.%, potassium chloride - 40-45 wt.%, sodium fluoride - the rest (10-20 wt.%). Achieve the best properties of the agglomerates (no excessive "shortening" and excessive liquefaction) coincides in the present method with the most effective value components from the point of view of reaction aluminothermic recovery of scandium and education ligatures Al-Sc. The proposed method is illustrated by the following examples. Example 1. Prepare a mixture of the following composition (wt.%): scandium TRIFLUORIDE - 40; chloride of potassium - 40; sodium fluoride - 20. All components in powdered state are thoroughly mixed. The total mass of the mixture is 0.4 kg of the Initial charge is loaded into a separate reusable conical crucible of glass carbon. After that, the mixture is heated in an atmosphere of air to 790º, kept at this temperature for 5-7 minutes. At the same time in a graphite crucible, prefix is Ino saturated cryolite (to protect from oxidation) melted aluminum metal in the number of 3300 g under a thin layer of epithelial flux (50 g equimole mixture of NaCl-KCl). The temperature of the metal is brought to 830º. Then loads the heated mixture in the form of an agglomerate. After loading the reaction bath is maintained at a given temperature (830º) for 20 minutes, which ensures complete reaction of recovery. At the same time high enough temperature does not form crystals of intermetallic Al3SC, keeping the melt homogeneous. Then make a separate casting salt and metal melts, and the metal is poured into a cooled mold. This ensures the absence of segregation and homogeneous structure of the ingot. According to the results of quantitative chemical analysis the content of scandium in the ligature was 1.97 wt.%. Output per full content of scandium in charge equal 93,0%. Example 2. Prepare a mixture of the following composition (wt.%): scandium TRIFLUORIDE - 42,5; potassium chloride - 42,5; sodium fluoride - 15. All components in powdered state are thoroughly mixed. The total mass of the mixture is 0,385 kg Initial charge is loaded into a separate reusable conical crucible of glass carbon. After that, the mixture is heated in an atmosphere of air to 790º, kept at this temperature for 7 minutes. At the same time in a graphite crucible, pre-saturated cryolite, melted aluminum metal in the number of the e 3300 g under a thin layer of epithelial flux (50 g equimole mixture of NaCl-KCl). The temperature of the metal is brought to 830º. Then loads the heated mixture in the form of an agglomerate. After loading the reaction bath is maintained at a given temperature (830º) for 20 minutes, which ensures complete reaction of recovery. Then make a separate casting salt and metal melts, and the metal is poured into a cooled mold. According to the results of quantitative chemical analysis the content of scandium in the ligature is 2,03 wt.%. Output per full content of scandium in charge equal 93,7%. Example 3. Prepare a mixture of the following composition (wt.%): scandium TRIFLUORIDE - 45,0; potassium chloride - 45,0; sodium fluoride - 10. All components in powdered state are thoroughly mixed. The total mass of the mixture is 0,365 kg Initial charge is loaded into a separate reusable conical crucible of glass carbon. After that, the mixture is heated in an atmosphere of air to 790º, kept at this temperature for 7 minutes. At the same time in a graphite crucible, pre-saturated cryolite, melted aluminum metal in the number of 3300 g under a thin layer of epithelial flux (50 g equimole mixture of NaCl-KCl). The temperature of the metal is brought to 830º. Then loads the heated mixture in the form of an agglomerate. After loading the reaction bath videris the Ute at a given temperature (830º) for 20 minutes, which ensures complete reaction of recovery. Then make a separate casting salt and metal melts, and the metal is poured into a cooled mold. According to the results of quantitative chemical analysis the content of scandium in the ligature is 2.01 wt.%. Output per full content of scandium in charge equal to 92.4%. Chemical analysis was carried out according to the standard method for atomic emission spectrometer with inductively coupled plasma Spectro Flame Modula S. Thus, the proposed method allows to achieve the stated technical result by increasing the relative content of scandium in Shitova the material and reduce the amount of salt that is sent further to the additional extraction of this valuable component, as well as to increase the output of scandium in the final product - the ligature (0.4-1.7 percent). 1. The method of producing alloys aluminum-scandium, including the melting of aluminum, aluminothermic recovery of scandium from the original batch containing the scandium fluoride, potassium chloride and sodium fluoride under a covering flux, and the subsequent exposure of the resulting melt, characterized in that before aluminothermic restore the initial charge is placed in a crucible and heated to a temperature 790º, and then injected into the molten aluminum and the OS is p aluminothermic recovery at a temperature of not less than 830º, after cooling of the melt produced separately pouring salt and molten metal, using the original batch containing the components in the following ratio, wt.%: the scandium fluoride - 40-45; potassium chloride 40-45; sodium fluoride - the rest. 2. The method according to claim 1, characterized in that the preheating of the original charge is carried out in a graphite crucible, pre-saturated cryolite, or the crucible of glass carbon.
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