WO1991001271A1 - Procede pour obtenir de la poudre de disiliciure de molybdene - Google Patents

Procede pour obtenir de la poudre de disiliciure de molybdene Download PDF

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Publication number
WO1991001271A1
WO1991001271A1 PCT/SU1989/000197 SU8900197W WO9101271A1 WO 1991001271 A1 WO1991001271 A1 WO 1991001271A1 SU 8900197 W SU8900197 W SU 8900197W WO 9101271 A1 WO9101271 A1 WO 9101271A1
Authority
WO
WIPO (PCT)
Prior art keywords
mixture
magnesium
weight
ore
κachesτve
Prior art date
Application number
PCT/SU1989/000197
Other languages
English (en)
Russian (ru)
Inventor
Alexandr Grigorievich Merzhanov
Sos Sarkisovich Mamian
Georgy Vissarionovich Mikaberidze
Georgy Ferdinandovich Tavadze
Original Assignee
Institut Strukturnoi Makrokinetiki Akademii Nauk Sssr
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 Institut Strukturnoi Makrokinetiki Akademii Nauk Sssr filed Critical Institut Strukturnoi Makrokinetiki Akademii Nauk Sssr
Priority to PCT/SU1989/000197 priority Critical patent/WO1991001271A1/fr
Publication of WO1991001271A1 publication Critical patent/WO1991001271A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/06—Metal silicides

Definitions

  • the resulting molybdenum dyslicide is in the form of a coolant, finishes and treats the investigated saline acid and click to isolate the mild mild disincide.
  • the described method is distinguished by the duration of the process, the power process, and the resulting process.
  • the method of producing molybdenum disilicide is known, including the preparation of an ectothermic mixture from
  • the target product is contaminated with aluminum oxide.
  • the mill is grinded, and additionally, it is contaminated
  • composition in the middle of particles with a range of 2-5 microns, for example, is no more than $ 30.
  • the product made from such molybdenum disilicide 5 is not suitable for frequent use, but it is often very difficult.
  • the main task was to develop the task.
  • Task 15 ⁇ eshae ⁇ sya ⁇ em, ch ⁇ ⁇ edlagae ⁇ sya s ⁇ s ⁇ b ⁇ - radiation ⁇ sh ⁇ b ⁇ azn ⁇ g ⁇ disil ⁇ schda m ⁇ libdena, v ⁇ lyuchayu- sch ⁇ y ⁇ ig ⁇ vlenie e ⁇ z ⁇ e ⁇ miches ⁇ y smes ⁇ of ⁇ sh ⁇ v m ⁇ - libdens ⁇ de ⁇ zhascheg ⁇ ⁇ m ⁇ nen ⁇ a, ⁇ emniys ⁇ de ⁇ zhascheg ⁇ ⁇ m ⁇ nen ⁇ a and me ⁇ alla, and its u ⁇ l ⁇ nenie ⁇ e ⁇ m ⁇ b ⁇ ab ⁇ u in ⁇ ezhime
  • the mixture be injected with magnesium oxide in a quantity of 10-15% of its mass and its consumption of 0.5-1.0%.
  • the structure and the quality of the disposable disilyodets can be divided by a free-flowing mixture, and it is free of charge for the user.
  • the concentrate of ore from ore contains 90-95 wt. % ⁇ 0 3 and ⁇ ⁇ and 5-10 wt. % impurities, hazardous oxides, alkaline and alkaline-earth metals. To increase the efficiency of the mixture and create the most favorable
  • 25 rhenium magnesium ensures the restoration of mogbdenum and winter from their oxides, which are directly related to the interaction between molybdenum. Due to the composition of the mixture, its efficiency and density, equal to 1.25- 1.45 g / cm 3 , the combustion process is lower than the temperature of the mixture
  • 35 may contain non-reactive original components. Depending on the percentage of magnesium in the mixture, the latter is recommended to be diluted with magnesium oxide, in the amount of 10-15% of its total mass. It provides the necessary e-mail. - 5 - the thermal stability of the mixture and its mixture.
  • the content of magnesium oxide in the mixture which is characterized by a significant effec- tivity, is less than 10 wt. % of the burned burner may have a 5 burner burner that may increase the temperature of the melting oven, which may result in a malfunctioning burner that is not being burned.
  • the hot magnesium oxide in the ectothermic mixture is more than 15 wt. % can reduce the incineration rate of combustion by preventing the incineration of incineration
  • the density of the mixture should be in the range of 1.25-1.45 g / cm 3 . With a surface area of less than 1.25 g / cm 3, the combustion process due to the lack of particle contact is not available. It also doesn’t occur at a density greater than 1.45
  • inert gas such as gas, gas
  • Slag which is a representative of the oxides of magnesium, hard liquor halides and oxides of alkaline, alkaline-earth metals, is disposed of, and the waste is disposed of
  • 35th disilicide maybdenum remains in the sediment. It dries and sends to the user. - 6 -
  • the invention will find an explanation for the use of metallurgical materials for the manufacture of refractory materials, exhaustive materials, and electrical equipment.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

Le procédé consiste à préparer un mélange exothermique de la composition suivante, en pour cent en poids: concentré de minerai de molybdène 30-35, minerai concentré de silicium 25-30, magnésium le solde. Le mélange est ensuite concentré jusqu'à obtention d'une masse volumique de 1,25-1,45 g/cm3 et soumis au traitement thermique dans un régime de calcination avec séparation ultérieure de la poudre de disiliciure de molybdène et des scories. Il est recommandé d'introduire dans le mélange l'oxyde de magnésium dans une quantité égale à 10-15 % de son poids et d'effectuer le traitement thermique sous une pression de 0,5-1 MPa.
PCT/SU1989/000197 1989-07-14 1989-07-14 Procede pour obtenir de la poudre de disiliciure de molybdene WO1991001271A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/SU1989/000197 WO1991001271A1 (fr) 1989-07-14 1989-07-14 Procede pour obtenir de la poudre de disiliciure de molybdene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SU1989/000197 WO1991001271A1 (fr) 1989-07-14 1989-07-14 Procede pour obtenir de la poudre de disiliciure de molybdene

Publications (1)

Publication Number Publication Date
WO1991001271A1 true WO1991001271A1 (fr) 1991-02-07

Family

ID=21617517

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SU1989/000197 WO1991001271A1 (fr) 1989-07-14 1989-07-14 Procede pour obtenir de la poudre de disiliciure de molybdene

Country Status (1)

Country Link
WO (1) WO1991001271A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5618429A (en) * 1994-03-24 1997-04-08 Lumos Trading & Investments Corporation Method for reducing slime and film formation in plants in which the water of paper and pulp machines is circulated and in plants in which cooling water is circulated

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619406A (en) * 1949-04-27 1952-11-25 Union Carbide & Carbon Corp Method for the solid phase production of a disilicide
US3362787A (en) * 1964-02-04 1968-01-09 Norton Co Preparation of molybdenum silicides
US3726643A (en) * 1970-04-09 1973-04-10 I Khim Fiz Akademii Nauk Method of producing refractory carbides,borides,silicides,sulfides,and nitrides of metals of groups iv,v,and vi of the periodic system
SU617485A1 (ru) * 1975-06-26 1978-07-30 Отделение Ордена Ленина Институт Химической Физик Ан Ссср Способ получени тугоплавких неорганически материалов
GB2166160A (en) * 1984-08-30 1986-04-30 Mitsubishi Metal Corp Sputtering target material and process for producing the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619406A (en) * 1949-04-27 1952-11-25 Union Carbide & Carbon Corp Method for the solid phase production of a disilicide
US3362787A (en) * 1964-02-04 1968-01-09 Norton Co Preparation of molybdenum silicides
US3726643A (en) * 1970-04-09 1973-04-10 I Khim Fiz Akademii Nauk Method of producing refractory carbides,borides,silicides,sulfides,and nitrides of metals of groups iv,v,and vi of the periodic system
SU617485A1 (ru) * 1975-06-26 1978-07-30 Отделение Ордена Ленина Институт Химической Физик Ан Ссср Способ получени тугоплавких неорганически материалов
GB2166160A (en) * 1984-08-30 1986-04-30 Mitsubishi Metal Corp Sputtering target material and process for producing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5618429A (en) * 1994-03-24 1997-04-08 Lumos Trading & Investments Corporation Method for reducing slime and film formation in plants in which the water of paper and pulp machines is circulated and in plants in which cooling water is circulated

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