RU2017139320A - SHEET MATERIAL BASED ON TITANIUM ALLOY FOR LOW-TEMPERATURE SUPERPLASTIC DEFORMATION - Google Patents

SHEET MATERIAL BASED ON TITANIUM ALLOY FOR LOW-TEMPERATURE SUPERPLASTIC DEFORMATION Download PDF

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RU2017139320A
RU2017139320A RU2017139320A RU2017139320A RU2017139320A RU 2017139320 A RU2017139320 A RU 2017139320A RU 2017139320 A RU2017139320 A RU 2017139320A RU 2017139320 A RU2017139320 A RU 2017139320A RU 2017139320 A RU2017139320 A RU 2017139320A
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low
sheet material
spd
temperature
mass
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RU2017139320A
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RU2017139320A3 (en
RU2691434C2 (en
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Михаил Оттович Ледер
Игорь Юрьевич Пузаков
Наталья Юрьевна Таренкова
Александр Владимирович Берестов
Наталия Георгиевна Митропольская
Роберт Дэвид Бриггс
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Публичное Акционерное Общество "Корпорация Всмпо-Ависма"
Компания Боинг
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C14/00—Alloys based on titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
    • C22F1/18—High-melting or refractory metals or alloys based thereon
    • C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon

Claims (19)

1. Листовой материал для низкотемпературной сверхпластической деформации на основе титанового сплава, содержащего мас. % 4,5-5,5 Al, 4,5-5,5 V, 0,1-1,0 Мо, 0,8-1,5 Fe, 0,1-0,5 Cr, 0,1-0,5 Ni, 0,16-0,25 O, остальное титан и примеси, в котором величина структурного молибденового эквивалента [Мо]экв>5, а алюминиевого структурного эквивалента [Al]экв<8, эквиваленты определены по выражениям:1. Sheet material for low-temperature superplastic deformation based on titanium alloy containing wt. % 4.5-5.5 Al, 4.5-5.5 V, 0.1-1.0 Mo, 0.8-1.5 Fe, 0.1-0.5 Cr, 0.1- 0.5 Ni, 0.16-0.25 O, the balance of titanium and impurities, in which the value of the structural molybdenum equivalent [Mo] eq> 5, and the aluminum structural equivalent of [Al] eq <8, the equivalents are defined by the expressions [Мо]экв = [Mo]+[V]/1,5+[Cr]×1,25+[Fe]×2,5+[Ni]/0,8[Mo] equiv = [Mo] + [V] / 1.5 + [Cr] × 1.25 + [Fe] × 2.5 + [Ni] / 0.8 [Al]экв = [Al]+[O]×10+[Zr]/6.[Al] equiv = [Al] + [O] × 10 + [Zr] / 6. 2. Листовой материал для низкотемпературной сверхпластической деформации по п. 1, имеющий структуру с размером зерен, не превышающих 8 мкм.2. Sheet material for low-temperature superplastic deformation according to claim 1, having a structure with a grain size not exceeding 8 microns. 3. Листовой материал для низкотемпературной сверхпластической деформации по п. 1, обладающий сверхпластическими свойствами при температуре 775±10°С.3. Sheet material for low-temperature superplastic deformation according to claim 1, having superplastic properties at a temperature of 775 ± 10 ° C. 4. Листовой материал для низкотемпературной сверхпластической деформации по пп. 1 и 2, имеющий при температуре 775±10°С соотношение фаз α/β от 0,9 до 1,1.4. Sheet material for low-temperature superplastic deformation in PP. 1 and 2, having at a temperature of 775 ± 10 ° С the ratio of α / β phases is from 0.9 to 1.1. 5. Листовой материал для низкотемпературной сверхпластической деформации (СПД) по пп. 1, 2, 3 и 4, в котором количество легирующих элементов, диффундирующих между α- и β-фазами в процессе СПД составляет не менее 0,5% и определяется следующим соотношением:5. Sheet material for low-temperature superplastic deformation (SPD) on PP. 1, 2, 3, and 4, in which the number of alloying elements diffusing between the α and β phases in the SPT process is at least 0.5% and is determined by the following relationship:
Figure 00000001
Figure 00000001
 где:Where: Q - количество диффундирующих легирующих элементов в материале при СПД, масс. %.Q is the number of diffusing alloying elements in the material at SPD, mass. % n - количество легирующих элементов в материале,n is the number of alloying elements in the material, |Δm| - абсолютная величина изменения содержания легирующего элемента в β- и α- фазах, масс. %, в процессе СПД.| Δm | - the absolute value of the change in the content of the alloying element in the β- and α-phases, mass. % in the process of SPD. |Δm| - рассчитывается по формуле:| Δm | - calculated by the formula:
Figure 00000002
Figure 00000002
 где:Where: mβ1 - содержание легирующего элемента в β-фазе до СПД, масс. %,mβ1 - the content of the alloying element in the β-phase to SPD, mass. % mβ2 - содержание легирующего элемента в β-фазе после СПД, масс. %,mβ2 - the content of the alloying element in the β-phase after SPD, mass. % mα1 - содержание легирующего элемента в α-фазе до СПД, масс. %,mα1 - the content of the alloying element in the α-phase to SPD, mass. % mα2 - содержание легирующего элемента в α-фазе после СПД, масс. %.mα2 - the content of the alloying element in the α-phase after SPD, mass. %
RU2017139320A 2017-04-25 2017-04-25 Sheet material based on titanium alloy for low-temperature superplastic deformation RU2691434C2 (en)

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CN115652142A (en) * 2022-12-02 2023-01-31 昆明理工大学 Novel titanium alloy and preparation method thereof

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EP3617335B1 (en) 2021-11-17
RU2017139320A3 (en) 2019-05-13
CN111279003A (en) 2020-06-12
EP3617335A4 (en) 2020-08-19
US20200149133A1 (en) 2020-05-14
BR112019022330A2 (en) 2020-05-26
CN111279003B (en) 2022-01-28
WO2018199791A1 (en) 2018-11-01
BR112019022330B1 (en) 2022-11-29
EP3617335A1 (en) 2020-03-04
JP7028893B2 (en) 2022-03-02
CA3062762A1 (en) 2019-11-28
JP2020517834A (en) 2020-06-18
RU2691434C2 (en) 2019-06-13

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