WO2003042418A1 - Procede de fabrication d'un alliage de fonderie alimunium-scandium et fondant destine a la fabrication d'un alliage de fonderie alimunium-scandium - Google Patents

Procede de fabrication d'un alliage de fonderie alimunium-scandium et fondant destine a la fabrication d'un alliage de fonderie alimunium-scandium Download PDF

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Publication number
WO2003042418A1
WO2003042418A1 PCT/RU2001/000475 RU0100475W WO03042418A1 WO 2003042418 A1 WO2003042418 A1 WO 2003042418A1 RU 0100475 W RU0100475 W RU 0100475W WO 03042418 A1 WO03042418 A1 WO 03042418A1
Authority
WO
WIPO (PCT)
Prior art keywords
scandium
aluminum
flux
ligature
alkaline
Prior art date
Application number
PCT/RU2001/000475
Other languages
English (en)
Russian (ru)
Inventor
Sergei Vladimirovich Makhov
Vladimir Ivanovich Moskvitin
Original Assignee
Sergei Vladimirovich Makhov
Vladimir Ivanovich Moskvitin
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sergei Vladimirovich Makhov, Vladimir Ivanovich Moskvitin filed Critical Sergei Vladimirovich Makhov
Priority to PCT/RU2001/000475 priority Critical patent/WO2003042418A1/fr
Priority to RU2002106416/02A priority patent/RU2213795C1/ru
Publication of WO2003042418A1 publication Critical patent/WO2003042418A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00—Obtaining aluminium
    • C22B21/06—Obtaining aluminium refining
    • C22B21/062—Obtaining aluminium refining using salt or fluxing agents
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00—Obtaining aluminium
    • C22B21/06—Obtaining aluminium refining
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • C22C1/026—Alloys based on aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • C22C1/03—Making non-ferrous alloys by melting using master alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium

Definitions

  • the invention is available for the smelting of non-ferrous metals and may be used for the use of aluminum-scandium alloys.
  • the task of grinding grains in a solution is solved by modifying the alloy.
  • the technology for the production of alloys based on aluminum alloys of various types has been developed.
  • the method of producing aluminum alloy with melting with added flux from alkali metals is known ( ⁇ 17 96111145, ⁇ , ⁇ 22 ⁇ 1/02, 09.10.1998, Baibaev D.P.).
  • the method of producing an aluminum alloy containing magnesium and lithium for use in aerospace engineering is known ( ⁇ 2171308, ⁇ 22 ⁇ 21/00, ⁇ 22 ⁇ 21/06, July 27, 2000, ⁇ ).
  • a favorable complex of physical and chemical properties makes scandium a complex alloying component of non-ferrous metals. Additions of Scandium are introduced into aluminum and its alloys in the form of alloys.
  • the method of producing an aluminum alloy with the introduction of a negative scandium for use in aerospace engineering (G) 9526420, ⁇ 22 ⁇ 21/06, 10/01/1995 ⁇ ⁇ réelle Chapter ⁇ ⁇ réelle ⁇ réelle) is known.
  • the disadvantage of this method is its low efficiency, due to the insignificant degree of extraction of scandium in the alloy.
  • Scandium interacts with aluminum according to the diagram of the eutectic type with variable disintegration.
  • the maximum equilibrium suspended solubility of scandium in solid aluminum is around 35%. Scandium is prone to the formation of over-unsaturated solids in equilibrium, even at small acceleration rates.
  • the interfering scandium with aluminum is an integral part of 31 3 8c and has a special electrical component that is in contact with These gaps are located in the basis of its strongest influence on the structure and properties of aluminum alloys.
  • the objective of the present invention is to increase the operating performance of the alloy by increasing the cost of the construction of the building.
  • the task of the proposed method and flux for the production of an aluminum-scandium alloy is to simplify the process of introducing an additive into a metal alloy.
  • the posed problem is solved by the method of obtaining ligands of aluminum-scandium, including aluminum thermal recovery in the environment of molten metal halides, ⁇ m, s ⁇ glasn ⁇ iz ⁇ b ⁇ e ⁇ eniyu, ⁇ susches ⁇ vlyayu ⁇ v ⁇ ss ⁇ an ⁇ vlenie gal ⁇ genida or ⁇ sida s ⁇ andiya in ⁇ isu ⁇ s ⁇ vii ⁇ lyusa, s ⁇ de ⁇ zhascheg ⁇ ⁇ l ⁇ idy ⁇ aliya and na ⁇ iya and ⁇ id na ⁇ iya, ⁇ i ⁇ em ⁇ e ⁇ a ⁇ u ⁇ e 800- 1050 ° C ⁇ e ⁇ niches ⁇ aya task anal ⁇ gichnym ⁇ b ⁇ az ⁇ m ⁇ eshae ⁇ sya ⁇ a ⁇ zhe ⁇ em, ch ⁇ in s ⁇ s ⁇ be ⁇ lucheniya liga ⁇
  • ⁇ e ⁇ niches ⁇ aya task ⁇ eshae ⁇ sya ⁇ me ⁇ g ⁇ ⁇ em, ch ⁇ ⁇ lyus for ⁇ lucheniya liga ⁇ u ⁇ y aluminum s ⁇ andy, s ⁇ de ⁇ zhaschy ⁇ id me ⁇ alla, s ⁇ glasn ⁇ iz ⁇ b ⁇ e ⁇ eniyu, d ⁇ lni ⁇ eln ⁇ s ⁇ de ⁇ zhi ⁇ ⁇ l ⁇ idy ⁇ aliya or na ⁇ iya, and ⁇ aches ⁇ ve ⁇ ida me ⁇ alla - ⁇ s ⁇ andia ⁇ schel ⁇ chn ⁇ g ⁇ or schel ⁇ chn ⁇ zemeln ⁇ g ⁇ me ⁇ alla ⁇ i following s ⁇ n ⁇ shenii ing ⁇ edien ⁇ v% wt./wt.
  • the alkali metal or alkaline earth metal oxide 10-50 is calcium chloride or other metal.
  • the restoration of the condition is due to the condition of a malformed flux; - After restoring in any option, you will spend 15-30 minutes;
  • alkaline or alkaline-earth metal oxide is effected by the interaction of oxide of scandium with aluminum oxide or a compound of 5 mm aluminum oxide.
  • the present invention has developed a technology for the production of aluminum-scandium alloys by a process
  • a ligature is provided with a scandium content of about 2%, t. ⁇ . It is more efficient for use, and, therefore, the content of iron, silver and sodium should be minimal and should be kept at a level of 0% in the higher grade of aluminum.
  • the noticeable interaction of scandium fluoride with aluminum proceeds at temperatures above 800 ° ⁇ in combination with the reaction:
  • the scandium-containing mixture contains, wt.%: 0 scandium fluoride 10-23 calcium chloride 49-76 fluoride sodium 13-28; Low flux contains, in wt.%: Calcium chloride 42-45 5 Other sodium chloride.
  • a decrease in the content of chloride of potassium below 49% is exactly the same and a decrease in the content of sugar of less than 13% leads to a decrease in the extraction of scandium due to the increase in temperature of 5 melting and increase in the viscosity.
  • An increase in the content of sodium fluoride over 28% results in pollution of aluminum by sodium.
  • An increase in the content of cold water more than 76% is equal to the decrease in the content of the content of scandium lower than 10%, which leads to an increase in the consumption of the energy consumption.
  • An increase in the content of scandium more than 23% results in a decrease in the degree of scandium extraction due to an increase in the flux viscosity.
  • Downloading scandium-containing flux to molten aluminum without using flux is undesirable, t. ⁇ . 5 It leads to a decrease in the degree of extraction of scandium due to the scanty compounds of Scandium.
  • a decrease in the content of chloride of potassium less than 42% in the composition of direct flux, as well as an increase of more than 45%, is associated with a partial increase in the rate of recovery of aluminum flux and a decrease in the degree of extraction of sissium.
  • Reduced v ⁇ emeni vyde ⁇ zh ⁇ i least 15 minutes the ⁇ iv ⁇ di ⁇ ⁇ ⁇ lucheniyu liga ⁇ u ⁇ y with v ⁇ zm ⁇ zhnym ne ⁇ avn ⁇ me ⁇ nym ⁇ as ⁇ edelennym s ⁇ andiya on account ⁇ g ⁇ , ch ⁇ ⁇ 1 3 8c ⁇ b ⁇ az ⁇ vavshiysya on g ⁇ anitse ⁇ azdela aluminum - ⁇ lyus not us ⁇ evae ⁇ ⁇ di ⁇ undi ⁇ va ⁇ in ⁇ bem ⁇ as ⁇ lava.
  • An increase in the time spent for more than 30 minutes leads to a possible decrease in the degree of extraction of scandium due to an increase in the level of emitted league.
  • the indicated ratio of ingredients allows for the aluminothermic reduction of scandium with 5 extraction of up to 92% and a content of more than 7,000 in the ligature.
  • An increase in the content of the alkali metal or alkaline earth metal content is higher than 50% and a decrease in the content of calcium chloride or potassium less than 50> there is no risk of overloading it. 5
  • the temperature decreases to 790 ° ⁇ .
  • the alloy is stored for 20 minutes at the indicated temperature, after which it is heated to the initial temperature 5 and discharged into the ingot.
  • Example 2 0 ⁇ on 1 ⁇ molten aluminum at a temperature of 848 ° C is fused with 0.02 ⁇ molten flux, consisting of 44% by weight of molten carbonide. 56% After the melting of the irradiated flux into the alloy, 220 kg of the scandium-containing flux is loaded, wt. %: 5 Dispensing alkaline or alkaline-earth metal 25 cold calcium other.
  • the temperature decreases to 790 ° ⁇ .
  • the alloy is stored for 20 minutes and indicated at 0 temperature, after which it is heated to the initial temperature and discharged into the ingot.
  • the alloy is stored for 25 minutes before the indicated temperature, after which it is heated to the initial temperature and discharged into the ingot.
  • the invention is intended for use in alloys on an aluminum base.
  • a high-quality aluminum-scandium alloy is obtained with a high degree of extraction of scandium when the energy is discharged.
  • the total mixture of impurities in the resulting ligature is not more than 0.005%, the separation of the metal in the whole is equal.
  • the resulting ligature has enhanced patient and operational performance.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

L'invention peut s'utiliser en industrie dans le domaine des métaux non ferreux pour fabriquer un alliage de fonderie aluminium-scandium, utilisé pour modifier des alliages d'aluminium. L'invention comprend le procédé de fabrication d'un alliage de fonderie aluminium-scandium, qui consiste en la réduction aluminothermique dans un milieu d'halogénures de métaux en fusion; selon l'invention, on effectue la réduction d'halogénure ou d'oxyde de scandium en présence du flux comprenant des chlorures de potassium ou de sodium et un fluorure de sodium à 800 - 1050 °C ou la réduction aluminothermique dans un milieu d'halogénures de métaux en fusion; selon l'invention, la réduction est effectuée à partir d'un sel fluoré de scandium d'un métal alcalin ou alcalino-terreux en présence d'un flux contenant un fluorure de métal et contenant en outre, selon l'invention, le chlorure de potassium ou de sodium ainsi qu'un sel fluoré de scandium d'un métal alcalin ou alcalino-terreux, avec un rapport suivant des ingrédients, en % en poids: sel fluoré de scandium d'un métal alcalin ou alcalino-terreux 10 - 50, chlorure de sodium ou de potassium - le reste. L'invention permet d'améliorer les caractéristiques d'exploitation et de consommation grâce à une meilleure homogénéité de la structure de l'alliage et la réduction simultanée des dépenses en énergie. En outre, le procédé et le flux proposés, destinés au procédé de fabrication d'un alliage de fonderie alimunium-scandium et flux destiné à la fabrication d'un alliage de fonderie alimunium-scandium, simplifient le processus d'introduction d'impuretés dans le métal en fusion.
PCT/RU2001/000475 2001-11-12 2001-11-12 Procede de fabrication d'un alliage de fonderie alimunium-scandium et fondant destine a la fabrication d'un alliage de fonderie alimunium-scandium WO2003042418A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/RU2001/000475 WO2003042418A1 (fr) 2001-11-12 2001-11-12 Procede de fabrication d'un alliage de fonderie alimunium-scandium et fondant destine a la fabrication d'un alliage de fonderie alimunium-scandium
RU2002106416/02A RU2213795C1 (ru) 2001-11-12 2001-11-12 Способ получения лигатуры алюминий-скандий (варианты)

Applications Claiming Priority (1)

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PCT/RU2001/000475 WO2003042418A1 (fr) 2001-11-12 2001-11-12 Procede de fabrication d'un alliage de fonderie alimunium-scandium et fondant destine a la fabrication d'un alliage de fonderie alimunium-scandium

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Cited By (7)

* Cited by examiner, † Cited by third party
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CN100410400C (zh) * 2004-11-09 2008-08-13 湖南稀土金属材料研究院 铝热还原制备铝钪合金的方法
CN102653829A (zh) * 2012-05-18 2012-09-05 东北大学 一种铝钪合金的制备方法
CN104726712A (zh) * 2015-03-25 2015-06-24 翁国庆 一种氟化钪铝热还原制备铝钪合金的方法
WO2016171584A1 (fr) * 2015-04-22 2016-10-27 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Procédé de production d'alliage mère aluminium-scandium
CN107868877A (zh) * 2017-11-03 2018-04-03 郑州大学 采用分段逆流还原法制备铝钪合金的方法
US10450634B2 (en) 2015-02-11 2019-10-22 Scandium International Mining Corporation Scandium-containing master alloys and method for making the same
US11970782B2 (en) 2018-03-15 2024-04-30 Fea Materials Llc Method of aluminum-scandium alloy production

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RU2455380C1 (ru) * 2011-02-17 2012-07-10 Открытое акционерное общество "Всероссийский институт легких сплавов" (ОАО "ВИЛС") Способ получения лигатурного материала для комплексного модифицирования структуры слитков из легких сплавов
RU2507291C1 (ru) * 2013-02-11 2014-02-20 Федеральное государственное бюджетное учреждение науки Институт металлургии Уральского отделения Российской академии наук (ИМЕТ УрО РАН) Способ получения лигатуры алюминий-скандий
JP5445725B1 (ja) * 2013-06-26 2014-03-19 日本軽金属株式会社 Ａｌ−Ｓｃ合金の製造方法
RU2599312C1 (ru) * 2015-03-05 2016-10-10 Федеральное государственное бюджетное учреждение науки Институт высокотемпературной электрохимии Уральского отделения Российской Академии наук Электролитический способ непрерывного получения алюминиевого сплава со скандием
RU2621207C1 (ru) * 2015-12-11 2017-06-01 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Способ получения сплава на основе алюминия и устройство для осуществления способа
ES2774075T3 (es) 2015-04-22 2020-07-16 Obshchestvo S Ogranichennoy Otvetstvennostyu Obedinennaya Kompaniya Rusal Inzhenerno Tekh Tsentr Procedimiento de producción de una aleación de aluminio y escandio
RU2704681C2 (ru) * 2017-11-13 2019-10-30 Акционерное общество "Далур" Способ получения лигатуры "алюминий-скандий" (варианты)
US11384412B2 (en) 2018-01-16 2022-07-12 Scandium International Mining Corporation Direct scandium alloying
US10988830B2 (en) 2018-01-16 2021-04-27 Scandium International Mining Corporation Scandium master alloy production
US20240093333A1 (en) * 2022-09-15 2024-03-21 Ii-Vi Delaware, Inc. Streamlined process for producing aluminum-scandium alloy

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SU873692A1 (ru) * 1980-01-21 1983-11-30 Предприятие П/Я А-1997 Способ получени лигатур алюминий-скандий
FR2555611A1 (fr) * 1983-11-25 1985-05-31 Rhone Poulenc Spec Chim Procede de preparation d'alliages d'aluminium et de terres rares
RU2124574C1 (ru) * 1997-10-16 1999-01-10 Институт химии твердого тела Уральского Отделения РАН Способ получения лигатуры скандий-алюминий (его варианты)
SU1549091A1 (ru) * 1988-01-11 1999-06-10 Московский институт стали и сплавов Флюс для получения лигатуры алюминий-скандий

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU873692A1 (ru) * 1980-01-21 1983-11-30 Предприятие П/Я А-1997 Способ получени лигатур алюминий-скандий
FR2555611A1 (fr) * 1983-11-25 1985-05-31 Rhone Poulenc Spec Chim Procede de preparation d'alliages d'aluminium et de terres rares
SU1549091A1 (ru) * 1988-01-11 1999-06-10 Московский институт стали и сплавов Флюс для получения лигатуры алюминий-скандий
RU2124574C1 (ru) * 1997-10-16 1999-01-10 Институт химии твердого тела Уральского Отделения РАН Способ получения лигатуры скандий-алюминий (его варианты)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100410400C (zh) * 2004-11-09 2008-08-13 湖南稀土金属材料研究院 铝热还原制备铝钪合金的方法
CN102653829A (zh) * 2012-05-18 2012-09-05 东北大学 一种铝钪合金的制备方法
CN102653829B (zh) * 2012-05-18 2013-11-06 东北大学 一种铝钪合金的制备方法
US10450634B2 (en) 2015-02-11 2019-10-22 Scandium International Mining Corporation Scandium-containing master alloys and method for making the same
CN104726712A (zh) * 2015-03-25 2015-06-24 翁国庆 一种氟化钪铝热还原制备铝钪合金的方法
WO2016171584A1 (fr) * 2015-04-22 2016-10-27 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Procédé de production d'alliage mère aluminium-scandium
CN107868877A (zh) * 2017-11-03 2018-04-03 郑州大学 采用分段逆流还原法制备铝钪合金的方法
US11970782B2 (en) 2018-03-15 2024-04-30 Fea Materials Llc Method of aluminum-scandium alloy production

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