SU616341A1 - Method of heat and mechanical treatment of aluminium strip - Google Patents
Method of heat and mechanical treatment of aluminium stripInfo
- Publication number
- SU616341A1 SU616341A1 SU762428900A SU2428900A SU616341A1 SU 616341 A1 SU616341 A1 SU 616341A1 SU 762428900 A SU762428900 A SU 762428900A SU 2428900 A SU2428900 A SU 2428900A SU 616341 A1 SU616341 A1 SU 616341A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- heat
- mechanical treatment
- aluminium strip
- tape
- foil
- Prior art date
Links
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Description
уровень свойств ленты и фольги, и особенно ее штампуемость.,the level of properties of the tape and foil, and especially its stampability.,
Как показали исследовани , наиболее; мелкие ( 2 мкм) вторичные выделе Una образуютс , если после суммарной холодной деформации 90-95% промежуточный отжиг проводить при температурё 500®С с изотермич( выдержкой 1518 .4, При, этом скорость нагрева должна быть не более Огб С/мка, При большей скорости нагрева не достигаетс необходима полнота распада (Х-твердого раствора. Снижение степени деформации ниже 90% также нецелесообразно , поскольку это вызывает увеличение продолжительности отжига почти в 1,5 раза. Изотермическа выдержка необходима дл получени структуры с однородным равнооснь&1 зерном,Studies have shown the most; small (2 µm) secondary sections of Una are formed if, after total cold deformation of 90-95%, intermediate annealing is carried out at a temperature of 500 ° C with isothermals (with an exposure of 1518 .4, At that, the heating rate should not exceed a greater heating rate does not achieve the required complete decomposition (X-solid solution. Reducing the degree of deformation below 90% is also impractical because it causes an increase in the duration of annealing by almost 1.5 times. Isothermal holding is necessary to obtain a structure with a uniform equilibrium s & 1 grain,
- Заключительна холодна деформаци проводитс с суммарной деформацией 40-80%, окончательный отжиг - при температура не более (оптимально 380-450С) с изотермической вьвдержкой 1-2 ч и скоростью нагрева, по крайней мере, вдвое выше, чем при промежуточном отжиге. Вторичные выделени , образовавшиес при промежуточном- Final cold deformation is carried out with a total deformation of 40-80%, final annealing - at a temperature of no more (optimally 380-450 ° C) with an isothermal hold of 1-2 hours and a heating rate at least twice as high as during intermediate annealing. Secondary secretions resulting from intermediate
отжиге, вл ютс 6apbepaNM дл роста рекристаллизованного зерна при окончательном отжиге.annealing, are 6apbepaNM for the growth of recrystallized grain during final annealing.
Конечна структура фольги характеризуетс мелким (не более 30 мкм) и равноосным зерном с равномерным распределением тонкодисперсных вторых фаз, что обеспечивает общий повышенный уровень прочностных свойств и особенно штампуемости фольги и ленты. Невыполнение этих условий приводит к резкому снижению механических свойств и особенно штампуемостиThe final structure of the foil is characterized by a fine (no more than 30 µm) and equiaxial grain with a uniform distribution of finely dispersed second phases, which ensures an overall increased level of strength properties and especially the stampability of the foil and tape. Failure to comply with these conditions leads to a sharp decrease in mechanical properties and especially stampability.
Пример. Полоса толщиной 8 мм, полученна методом, совмещающим литье и прокатку, прокатываетс вхолодную до толщины 0,6 мм. Лента толщиной 0,6 мм отжигаетс по следующему режиму: нагрев до 00 скоростью 0,53°С/мин с последующей изотермической выдержкой 16 ч. Отожженна прокатываетс вхолодную с 0,6 до 0,15 мм. Фс91ьга толщиной 0,15 NW отжигаетс окончательно по режиму: нагрев до со скоростью 1,4с/мин с последуквдей изотермической выдержкой 2 ч.Example. A strip 8 mm thick, produced by a method that combines casting and rolling, rolls cold in a thickness of 0.6 mm. The tape with a thickness of 0.6 mm is annealed in the following mode: heating to 00 at a rate of 0.53 ° C / min, followed by isothermal aging for 16 hours. The annealed rolls in cold from 0.6 to 0.15 mm. A thickness of 0.15 NW is finally annealed by the mode: heating up to 1.4 s / min with subsequent isothermal aging for 2 h.
Механические свойства полученной, ленты приведены в таблице.The mechanical properties of the resulting tape are shown in the table.
Предложенный 9,6Proposed 9.6
7,07.0
ИзвестныйFamous
Предлагаемый способ обеспечивает высокие прочност1 ые и пластические свойства, что в свою очер§дь приводит к бездефектной штамповке изделий из .фольги.The proposed method provides high strength and plastic properties, which in its turn leads to defect-free stamping of foil products.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU762428900A SU616341A1 (en) | 1976-12-13 | 1976-12-13 | Method of heat and mechanical treatment of aluminium strip |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU762428900A SU616341A1 (en) | 1976-12-13 | 1976-12-13 | Method of heat and mechanical treatment of aluminium strip |
Publications (1)
Publication Number | Publication Date |
---|---|
SU616341A1 true SU616341A1 (en) | 1978-07-25 |
Family
ID=20686245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU762428900A SU616341A1 (en) | 1976-12-13 | 1976-12-13 | Method of heat and mechanical treatment of aluminium strip |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU616341A1 (en) |
-
1976
- 1976-12-13 SU SU762428900A patent/SU616341A1/en active
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