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RU2003105549A - THIN PRODUCTS FROM BETA-TITANIUM ALLOYS OR QUASI-BETA-TITANIUM AND METHOD FOR PRODUCING SUCH PRODUCTS BY FORGING METHOD - Google Patents

THIN PRODUCTS FROM BETA-TITANIUM ALLOYS OR QUASI-BETA-TITANIUM AND METHOD FOR PRODUCING SUCH PRODUCTS BY FORGING METHOD

Info

Publication number
RU2003105549A
RU2003105549A RU2003105549/02A RU2003105549A RU2003105549A RU 2003105549 A RU2003105549 A RU 2003105549A RU 2003105549/02 A RU2003105549/02 A RU 2003105549/02A RU 2003105549 A RU2003105549 A RU 2003105549A RU 2003105549 A RU2003105549 A RU 2003105549A
Authority
RU
Russia
Prior art keywords
forging
temperature
product
hot forging
stage
Prior art date
Application number
RU2003105549/02A
Other languages
Russian (ru)
Other versions
RU2303642C2 (en
Inventor
Бланден БАРБЬЕ
Филипп ГАЛЛУА
Клод МОН
Агат ВЕНАР
Паскаль ВИНЬЕЛЛЬ
Original Assignee
Снекма Моторс
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
Priority claimed from FR0202602A external-priority patent/FR2836640B1/en
Application filed by Снекма Моторс filed Critical Снекма Моторс
Publication of RU2003105549A publication Critical patent/RU2003105549A/en
Application granted granted Critical
Publication of RU2303642C2 publication Critical patent/RU2303642C2/en

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Claims (12)

1. Изделие с толщиной менее 10 мм, несимметричное относительно оси, изготовленное из сплава β-титана или квази-β-титана и имеющее микроструктуру сердцевины, образованную цельными зернами со степенью вытянутости выше 4 и эквивалентным диаметром от 10 до 300 мкм.1. A product with a thickness of less than 10 mm, asymmetric about the axis, made of an alloy of β-titanium or quasi-β-titanium and having a core microstructure formed by whole grains with a degree of elongation above 4 and an equivalent diameter of 10 to 300 microns. 2. Изделие по п.1, отличающееся тем, что оно адаптировано для получения методом ковки.2. The product according to claim 1, characterized in that it is adapted for forging. 3. Изделие по п.1 или 2, отличающееся тем, что оно представляет собой лопатку компрессора турбомашины.3. The product according to claim 1 or 2, characterized in that it is a compressor blade of a turbomachine. 4. Изделие по любому из пп.1-3, отличающееся тем, что оно изготовлено из сплава TiAl5Cr2Mo4 (Ti17, или ТА5CD4).4. The product according to any one of claims 1 to 3, characterized in that it is made of an alloy TiAl 5 Cr 2 Mo 4 (Ti 17 , or TA 5 CD 4 ). 5. Способ изготовления изделия по любому из предыдущих пунктов, отличающийся тем, что он предусматривает получение эмалированной заготовки; преобразование, при необходимости, этой заготовки в продолговатое изделие эквивалентного диаметра менее 100 мм; ковку указанного продолговатого изделия; закалку указанного кованого продолговатого изделия; отпуск указанного кованого закаленного продолговатого изделия.5. A method of manufacturing a product according to any one of the preceding paragraphs, characterized in that it provides for the enamel blank; converting, if necessary, this workpiece into an elongated product of equivalent diameter less than 100 mm; forging said elongated product; hardening of said forged elongated product; tempering said forged hardened elongated product. 6. Способ по п.5, отличающийся тем, что указанная ковка включает в себя, по меньшей мере, два этапа горячей ковки: первый этап горячей ковки при температуре ниже или выше β-перехода и последний этап горячей ковки при температуре выше β-перехода, причем степень уплотнения при каждом этапе горячей ковки выбрана равной или большей 2, а скорости ковки составляют от 1 до 1·10-5с-1.6. The method according to claim 5, characterized in that said forging includes at least two stages of hot forging: the first stage of hot forging at a temperature below or above the β junction and the last stage of hot forging at a temperature above the β junction moreover, the degree of compaction at each stage of hot forging is selected to be equal to or greater than 2, and the forging rates are from 1 to 1 · 10 -5 s -1 . 7. Способ по п.6, отличающийся тем, что указанная ковка предусматривает три этапа горячей ковки: первый и второй этапы при температуре, независимо выбираемой ниже или выше β-перехода, и третий этап при температуре выше β-перехода.7. The method according to claim 6, characterized in that said forging comprises three stages of hot forging: the first and second stages at a temperature independently selected below or above the β junction, and the third stage at a temperature above the β junction. 8. Способ по п.6 или 7, отличающийся тем, что предусматривает операцию повторного эмалирования изделия между двумя этапами горячей ковки.8. The method according to claim 6 or 7, characterized in that it involves the operation of re-enameling the product between the two stages of hot forging. 9. Способ по любому из пп.5-8, отличающийся тем, что штамп поддерживают при температуре от 100 до 700°С.9. The method according to any one of claims 5 to 8, characterized in that the stamp is maintained at a temperature of from 100 to 700 ° C. 10. Способ по любому из пп.5-9, отличающийся тем, что указанную закалку выполняют в условиях, которые вызывают скорость охлаждения ниже или равную скорости охлаждения при закалке в масляной ванне.10. The method according to any one of claims 5 to 9, characterized in that said hardening is performed under conditions that cause a cooling rate lower than or equal to the cooling rate when quenched in an oil bath. 11. Способ по любому из пп.5-10, отличающийся тем, что указанный отпуск выполняют при температуре от 620 до 750°С в течение периода времени от 3 до 5 ч.11. The method according to any one of paragraphs.5-10, characterized in that the specified vacation is performed at a temperature of from 620 to 750 ° C for a period of time from 3 to 5 hours 12. Способ по любому из пп.5-11, отличающийся тем, что заготовка получена из сплава TiAl5Cr2Mo4 (Ti17, или TA5CD4); ковка включает первый этап горячей ковки при температуре ниже или равной 840±10°С или при температуре ниже или равной 940±10°С и второй этап горячей ковки при температуре 940±10°С; закалку проводят в штампе, а затем в неподвижном воздухе; отпуск проводят при температуре 630°С в течение 4 ч.12. The method according to any one of claims 5 to 11, characterized in that the preform is obtained from an alloy of TiAl 5 Cr 2 Mo 4 (Ti 17 , or TA 5 CD 4 ); forging includes the first stage of hot forging at a temperature below or equal to 840 ± 10 ° C or at a temperature below or equal to 940 ± 10 ° C and the second stage of hot forging at a temperature of 940 ± 10 ° C; hardening is carried out in a stamp, and then in still air; vacation is carried out at a temperature of 630 ° C for 4 hours
RU2003105549/02A 2002-03-01 2003-02-28 Thin piece of beta-titanium or quasi-beta-titanium alloy and a method of manufacturing such thin piece using forging technique RU2303642C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0202602A FR2836640B1 (en) 2002-03-01 2002-03-01 THIN PRODUCTS OF TITANIUM BETA OR QUASI BETA ALLOYS MANUFACTURING BY FORGING
FR0202602 2002-03-01

Publications (2)

Publication Number Publication Date
RU2003105549A true RU2003105549A (en) 2004-09-27
RU2303642C2 RU2303642C2 (en) 2007-07-27

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Family Applications (1)

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Country Status (7)

Country Link
US (2) US7037389B2 (en)
EP (1) EP1340832B1 (en)
JP (1) JP4022482B2 (en)
DE (1) DE60313065T2 (en)
FR (1) FR2836640B1 (en)
RU (1) RU2303642C2 (en)
UA (1) UA77399C2 (en)

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