RU2008112929A - METHOD FOR PRODUCING CASTING OF METALS AND ALLOYS WITH GRADIENT STRUCTURE IN CENTRIFUGAL POWER FIELDS - Google Patents
METHOD FOR PRODUCING CASTING OF METALS AND ALLOYS WITH GRADIENT STRUCTURE IN CENTRIFUGAL POWER FIELDS Download PDFInfo
- Publication number
- RU2008112929A RU2008112929A RU2008112929/02A RU2008112929A RU2008112929A RU 2008112929 A RU2008112929 A RU 2008112929A RU 2008112929/02 A RU2008112929/02 A RU 2008112929/02A RU 2008112929 A RU2008112929 A RU 2008112929A RU 2008112929 A RU2008112929 A RU 2008112929A
- Authority
- RU
- Russia
- Prior art keywords
- mold
- melt
- centrifuge
- casting
- alloys
- Prior art date
Links
- 229910045601 alloy Inorganic materials 0.000 title claims abstract 3
- 239000000956 alloy Substances 0.000 title claims abstract 3
- 238000004519 manufacturing process Methods 0.000 title claims abstract 3
- 238000005058 metal casting Methods 0.000 title 1
- 238000005266 casting Methods 0.000 claims abstract 6
- 238000001816 cooling Methods 0.000 claims abstract 6
- 238000002425 crystallisation Methods 0.000 claims abstract 6
- 230000008025 crystallization Effects 0.000 claims abstract 6
- 239000000155 melt Substances 0.000 claims abstract 6
- 238000000034 method Methods 0.000 claims abstract 6
- 230000005484 gravity Effects 0.000 claims abstract 2
- 238000010438 heat treatment Methods 0.000 claims abstract 2
- 229910052751 metal Inorganic materials 0.000 claims abstract 2
- 239000002184 metal Substances 0.000 claims abstract 2
- 150000002739 metals Chemical class 0.000 claims abstract 2
- 238000013021 overheating Methods 0.000 claims abstract 2
- 230000002093 peripheral effect Effects 0.000 claims abstract 2
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Способ получения отливок металлов и сплавов с градиентной структурой в силовом поле центрифуги, заключающийся в том, что во вращающуюся с постоянной скоростью посредством центрифуги изложницу кристаллизатора заливается слабоперегретый расплав, распределяющийся по всему объему изложницы от центра до наружной стенки изложницы, отличающийся тем, что после заполнения слабоперегретым расплавом изложницы обеспечивают ее вращением с постоянной скоростью посредством центрифуги в периферийной части изложницы значение коэффициента гравитации от 40 до 500 при объемном равномерном охлаждении расплава со скоростью охлаждения не более 5°С/с и величиной перегрева расплава вместе с футеровкой изложницы или подогревом изложницы кристаллизатора, при которой процессы кристаллизации в силовом поле завершены до достижения расплавом температуры начала естественных процессов кристаллизации, а после охлаждения отливки в изложнице кристаллизатора до температуры завершения процессов естественной кристаллизации останавливают вращение центрифуги и охлаждают отливку.A method for producing castings of metals and alloys with a gradient structure in the centrifuge force field, which consists in the fact that a slightly overheated melt is poured into the mold of a crystallizer rotating at a constant speed through a centrifuge, distributed throughout the mold from the center to the outer wall of the mold, characterized in that after filling with a slightly overheated melt, the molds are provided with its rotation at a constant speed by means of a centrifuge in the peripheral part of the mold the value of the coefficient of gravity from 40 to 500 with volumetric uniform cooling of the melt with a cooling rate of not more than 5 ° C / s and a value of overheating of the melt together with lining of the mold or heating of the mold of the mold, in which crystallization processes in the force field are completed before the melt reaches the temperature of the onset of natural crystallization processes, and after cooling the casting in the mold of the mold to the temperature of completion of the processes of natural crystallization, stop the rotation of the centrifuge and cool the casting.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2008112929/02A RU2008112929A (en) | 2008-04-04 | 2008-04-04 | METHOD FOR PRODUCING CASTING OF METALS AND ALLOYS WITH GRADIENT STRUCTURE IN CENTRIFUGAL POWER FIELDS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2008112929/02A RU2008112929A (en) | 2008-04-04 | 2008-04-04 | METHOD FOR PRODUCING CASTING OF METALS AND ALLOYS WITH GRADIENT STRUCTURE IN CENTRIFUGAL POWER FIELDS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU2008112929A true RU2008112929A (en) | 2009-10-10 |
Family
ID=41260459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2008112929/02A RU2008112929A (en) | 2008-04-04 | 2008-04-04 | METHOD FOR PRODUCING CASTING OF METALS AND ALLOYS WITH GRADIENT STRUCTURE IN CENTRIFUGAL POWER FIELDS |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2008112929A (en) |
-
2008
- 2008-04-04 RU RU2008112929/02A patent/RU2008112929A/en not_active Application Discontinuation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZ9A | Application not withdrawn (correction of the notice of withdrawal) |
Effective date: 20090818 |
|
| FA92 | Acknowledgement of application withdrawn (lack of supplementary materials submitted) |
Effective date: 20100914 |