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RU2015139633A - METHOD OF DIRECTED CRYSTALLIZATION OF LARGE-SIZED CASTINGS FROM HEAT-RESISTANT ALLOYS - Google Patents

METHOD OF DIRECTED CRYSTALLIZATION OF LARGE-SIZED CASTINGS FROM HEAT-RESISTANT ALLOYS Download PDF

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Publication number
RU2015139633A
RU2015139633A RU2015139633A RU2015139633A RU2015139633A RU 2015139633 A RU2015139633 A RU 2015139633A RU 2015139633 A RU2015139633 A RU 2015139633A RU 2015139633 A RU2015139633 A RU 2015139633A RU 2015139633 A RU2015139633 A RU 2015139633A
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RU
Russia
Prior art keywords
casting alloy
casting
heat
mold
kit
Prior art date
Application number
RU2015139633A
Other languages
Russian (ru)
Other versions
RU2623941C2 (en
Inventor
Юрий Николаевич Шмотин
Максим Михайлович Федоров
Сергей Александрович Заводов
Александр Вячеславович Логунов
Денис Викторович Данилов
Игорь Алексеевич Лещенко
Александр Михайлович Михайлов
Михаил Александрович Михайлов
Александр Евгеньевич Семин
Original Assignee
Открытое акционерное общество "Научно-производственное объединение "Сатурн"
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Priority to RU2015139633A priority Critical patent/RU2623941C2/en
Publication of RU2015139633A publication Critical patent/RU2015139633A/en
Application granted granted Critical
Publication of RU2623941C2 publication Critical patent/RU2623941C2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould

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  • Crystals, And After-Treatments Of Crystals (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Claims (1)

Способ направленной кристаллизации крупноразмерных отливок из жаропрочных сплавов, при котором нагретый до температуры выше температуры ликвидуса сплава отливки керамический литейный комплект, содержащий, по меньшей мере, одну тонкостенную форму с затравкой в верхней части, погружают через слой теплоизолирующего экрана в подогреваемую разгрузочную емкость с расплавленным металлом, и по мере погружения заполняют комплект сплавом отливки, заполнение и погружение комплекта завершают при контакте сплава отливки с затравкой, после чего комплект извлекают из разгрузочной емкости, при этом над поверхностью экрана его охлаждают потоком инертного газа, отличающийся тем, что литейный комплект выполнен в виде блок-формы, снабженной литниковой питательной системой, при этом сплав отливки заливают в блок-форму через стояк литниковой питательной системы, а разгрузочную емкость заполняют расплавленным металлом, близким по плотности к сплаву отливки, блок-форму погружают в разгрузочную емкость на глубину, обеспечивающую одинаковый уровень сплава отливки в форме и расплавленного металла в емкости, а в процессе извлечения блок-формы из разгрузочной емкости стояк литниковой питательной системы подогревают.A method of directional crystallization of large-size castings from heat-resistant alloys, in which a ceramic casting kit, which is heated to a temperature higher than the liquidus temperature of the casting alloy, containing at least one thin-walled mold with a seed in the upper part, is immersed through a layer of a heat-insulating screen in a heated discharge container with molten metal and as the dive is completed, the set is filled with casting alloy, filling and immersion of the set are completed when the casting alloy contacts the seed, and then the kit is removed from the discharge tank, while over the surface of the screen it is cooled by a stream of inert gas, characterized in that the casting kit is made in the form of a block mold equipped with a gate feed system, while the casting alloy is poured into the block mold through the runner of the gate feed system, and the discharge tank is filled with molten metal close in density to the casting alloy, the block mold is immersed in the discharge tank to a depth that ensures the same level of the casting alloy in the mold and is molten of metal in the vessel, and during extraction unit forms of the discharge vessel is heated sprue gating nutrient system.
RU2015139633A 2015-09-17 2015-09-17 Method of obtaining large-dimensional castings from heat-resistant alloys by directed crystalization RU2623941C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2015139633A RU2623941C2 (en) 2015-09-17 2015-09-17 Method of obtaining large-dimensional castings from heat-resistant alloys by directed crystalization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2015139633A RU2623941C2 (en) 2015-09-17 2015-09-17 Method of obtaining large-dimensional castings from heat-resistant alloys by directed crystalization

Publications (2)

Publication Number Publication Date
RU2015139633A true RU2015139633A (en) 2017-03-22
RU2623941C2 RU2623941C2 (en) 2017-06-29

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Family Applications (1)

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RU2015139633A RU2623941C2 (en) 2015-09-17 2015-09-17 Method of obtaining large-dimensional castings from heat-resistant alloys by directed crystalization

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RU (1) RU2623941C2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113458366A (en) * 2021-04-28 2021-10-01 潍坊科技学院 Antigravity effect single crystal high-temperature alloy directional solidification growth equipment and application thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114619020B (en) * 2020-12-11 2024-03-12 中国科学院金属研究所 Preparation method for high-efficiency closely-spaced monocrystalline blade by utilizing liquid metal cooling directional solidification technology

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3752221A (en) * 1969-10-30 1973-08-14 United Aircraft Corp Mold apparatus for casting with downward unidirectional solidification
US3763926A (en) * 1971-09-15 1973-10-09 United Aircraft Corp Apparatus for casting of directionally solidified articles
RU2211746C1 (en) * 2001-12-26 2003-09-10 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" Method for making castings with oriented and monocrystalline structure and apparatus for performing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113458366A (en) * 2021-04-28 2021-10-01 潍坊科技学院 Antigravity effect single crystal high-temperature alloy directional solidification growth equipment and application thereof

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Publication number Publication date
RU2623941C2 (en) 2017-06-29

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