CN108015285A - A kind of quick molding method of the high temperature alloy diskware of aero-engine - Google Patents
A kind of quick molding method of the high temperature alloy diskware of aero-engine Download PDFInfo
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- CN108015285A CN108015285A CN201711395577.7A CN201711395577A CN108015285A CN 108015285 A CN108015285 A CN 108015285A CN 201711395577 A CN201711395577 A CN 201711395577A CN 108015285 A CN108015285 A CN 108015285A
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- high temperature
- temperature alloy
- bar
- aero
- alloy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/115—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by spraying molten metal, i.e. spray sintering, spray casting
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- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A kind of quick molding method of aero-engine high temperature alloy diskware, step are：1）By high temperature alloy bar vertically in high vacuum furnace chamber, thin wall metal cylinder is being placed parallel to bar upper surface horizontal plane, cooling circulating water is passed through on the outside of cylinder, annular supporting plate is equipped with below bar end face on cylinder inner wall；2）Bar rotates at a high speed vertically, melts bar end face using 10 30KW high power electron beams, molten metal flies out along bar end face；3）Molten melt drop flies in a vacuum hits the thin-walled cylinder with water cooling, is deposited on drum surface；4）Upper and lower loopy moving high temperature alloy bar, molten metal drop layer by layer deposition, is molded dish type blank；5）Aero-engine dish is obtained after taking out the heat treatment of dish type blank；Technique is simplified, it can be achieved that the accurate control of shape, avoids alloy from being polluted by gas and exotic, eliminate thermal induction hole, non-metallic inclusion, the metallurgical imperfection on primary granule border, significantly improve alloy mechanical property.
Description
Technical field
The invention belongs to metal dust rapid shaping technique field, and in particular to a kind of high temperature alloy of aero-engine
The quick molding method of diskware.
Background technology
High temperature alloy disk（Ring）Part is mainly used in the hot junction portions such as aero-engine turbine disk, turbine baffle, compressor disc
Part, with the continuous improvement of thrust-weight ratio and turbine entrance temperature temperature, operating temperature and performance requirement to high temperature alloy are also got over
Come higher.Traditional nickel base superalloy turbine disk material, serious, tissue is segregated since intensified element is on the increase, in alloy
Uneven, thermal process penalty, routine casting and deformation technique can not all meet needs of the new work engine to diskware.Previous generation
Record the seventies, the state such as the U.S. and Russia starts to prepare nickel base superalloy using the method for powder metallurgy.Powder metallurgy
Alloy tiny outstanding advantages of uniform crystal grain in a organized way, significantly improve the mechanical property and thermal process performance of alloy.
But due to superalloy powder metallurgical method manufacturing process it is complicated, it is necessary to prepared by alloy melting, powder,
The multiple tracks special process such as powder-processed, jacket high temperature insostatic pressing (HIP), hot extrusion or isothermal forging, heat treatment, could realize that alloy is complete
It is fine and close.Due to the particularity of powder metallurgy process, the disk after shaping（Ring）It there is likely to be nonmetal inclusion, thermal induction hole in part
The metallurgical imperfections such as hole, primary granule border, to the mechanical behavior under high temperature of alloy, particularly high-temperature and durable, high/low cycle facigue etc.
Performance has considerable influence, it could even be possible to causing disk（Ring）Part ruptures, and triggers serious accident.
The content of the invention
To overcome above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of high temperature alloy of aero-engine
The quick molding method of diskware, the high temperature alloy diskware for meeting aero-engine field needs is prepared by this method.
To achieve the above object, the technical solution adopted in the present invention is a kind of high temperature alloy disk of aero-engine
The quick molding method of part, it is characterised in that comprise the following steps：
Step 1, high temperature alloy bar is vertically placed in high vacuum furnace chamber, band is being placed parallel to bar upper surface horizontal plane
The thin wall metal cylinder of water cooling, is passed through cooling circulating water on the outside of thin wall metal cylinder, at bar end on thin wall metal cylinder inner wall
Annular supporting plate is equipped with below face；
Step 2, bar is rotated at a high speed vertically, bar end face is melted using 10-30KW high power electron beams, molten metal exists
Fly out under high speed centrifugation effect along bar end face level；
Step 3, the thin wall metal cylinder with water cooling is hit in high-speed flight to molten melt drop in a vacuum, is quickly solidified and is deposited on
Thin wall metal cylinder surface；
Step 4, at the uniform velocity upper and lower loopy moving high temperature alloy bar, makes molten metal bath drop in metallic cylinder surface ecto-entad successively
Deposition, rapid shaping alloy dish type blank；
Step 5, after alloy dish type blank is taken out, normative heat treatment is carried out, aero-engine dish type is obtained by machining
Part.
The high vacuum furnace house vacuum degree is higher than 1 × 10-3Pa。
Bar rotary speed described in step 2 is 20m/s~40m/s.
Hip treatment is carried out before obtained dish heat treatment described in step 5, further improves its consistency.
The beneficial effects of the invention are as follows：
1）This process simplify the technological process of prior powder metallurgy high temperature alloy complexity, the high temperature of straight forming high-compactness closes
Golden dish, the translational speed of bar vertical direction is controlled by computer, it is possible to achieve the accurate control of shape.
2）The technique carries out under a high vacuum completely, and whole process alloy is not all the time with other metals or nonmetallic connecing
Touch, avoid alloy and polluted by gas and exotic, it is tiny without gross segregation, even tissue remaining powder metallurgical technique
The advantages that while, effectively eliminate inevitable thermal induction hole, non-metallic inclusion, original in conventional powder high temperature alloy
The metallurgical imperfections such as beginning granule boundary, significantly improve alloy mechanical property, particularly high-temperature behavior.
3）This method passes through complete centrifugal action forming metal powder, it is possible to achieve the high uniformity of diskware circumferencial direction,
It can ensure that alloy structure is completely fine and close by hip treatment.
Brief description of the drawings
Fig. 1 is high temperature alloy diskware rapid shaping schematic diagram of the present invention.
In figure, 1. electron beam guns, 2. electron beams, 3. thin wall metal cylinders, 4. high vacuum furnace chambers, 5. diffusion pumps, 6. lobe pumps, 7.
Mechanical pump, 8. dish type blanks, 9. annular supporting plates, 10. high temperature alloy bars.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
Embodiment 1
A kind of quick molding method of the high temperature alloy diskware of aero-engine, comprises the following steps：
1）High temperature alloy bar 10 is vertically placed in high vacuum furnace chamber 4, parallel to 10 upper surface horizontal plane of high temperature alloy bar
The thin wall metal cylinder 3 with water cooling is placed, the outside of thin wall metal cylinder 3 is passed through cooling circulating water, 3 inner wall of thin wall metal cylinder
On annular supporting plate 9 is equipped with below 10 end face of high temperature alloy bar；Vacuum 5 × 10-4Pa；
2）High temperature alloy bar 10 is rotated at a high speed vertically, 10 end face of high temperature alloy bar, electronics are melted using high power electron beam 2
1 power 10kW of beam rifle.Molten metal flies out under high speed centrifugation effect along 10 end face level of high temperature alloy bar, high temperature alloy bar 10
Rotated edge linear velocity 40m/s；
3）The metallic cylinder 3 with water cooling is hit in high-speed flight to molten melt drop in a vacuum, is quickly solidified and is deposited on round metal
Cylinder surface；
4）Loopy moving high temperature alloy bar 10, makes molten metal bath drop in 3 surface ecto-entad of metallic cylinder successively above and below at the uniform velocity
Deposition, rapid shaping alloy dish type blank 8.
5）After the alloy dish type blank 8 of high temperature is taken out, normative heat treatment is carried out, aviation hair is obtained by a small amount of machining
Motivation dish.
Embodiment 2
A kind of quick molding method of the high temperature alloy diskware of aero-engine, comprises the following steps：
1）High temperature alloy bar 10 is vertically placed in high vacuum furnace chamber 4, parallel to 10 upper surface horizontal plane of high temperature alloy bar
The thin wall metal cylinder 3 with water cooling is placed, the outside of thin wall metal cylinder 3 is passed through cooling circulating water, 3 inner wall of thin wall metal cylinder
On annular supporting plate 9 is equipped with below 10 end face of high temperature alloy bar；Vacuum 1 × 10-4Pa；
2）Bar 10 is rotated at a high speed vertically, 10 end face of high temperature alloy bar, electron beam gun 1 are melted using high power electron beam 2
Power 20kW.Molten metal flies out under high speed centrifugation effect along 10 end face level of high temperature alloy bar, and high temperature alloy bar 10 rotates
Edge linear velocity 30m/s；
3）The metallic cylinder 3 with water cooling is hit in high-speed flight to molten melt drop in a vacuum, is quickly solidified and is deposited on round metal
3 surfaces of cylinder；
4）Loopy moving high temperature alloy bar 10, makes molten metal bath drop in 3 surface ecto-entad of metallic cylinder successively above and below at the uniform velocity
Deposition, rapid shaping alloy dish type blank 8；
5）After alloy dish type blank 8 is taken out, normative heat treatment is carried out, aero-engine dish type is obtained by a small amount of machining
Part.
Embodiment 3
A kind of quick molding method of the high temperature alloy diskware of aero-engine, comprises the following steps：
1）High temperature alloy bar 10 is vertically placed in high vacuum furnace chamber 4, parallel to 10 upper surface horizontal plane of high temperature alloy bar
The thin wall metal cylinder 3 with water cooling is placed, the outside of thin wall metal cylinder metallic cylinder 3 is passed through cooling circulating water, thin-wall metal
Annular supporting plate 9 is equipped with 3 inner wall of cylinder metallic cylinder below 10 end face of high temperature alloy bar；Vacuum 2 × 10-4Pa；
2）Bar 10 is rotated at a high speed vertically, 10 end face of high temperature alloy bar, electron beam gun 1 are melted using high power electron beam 2
Power 30kW, molten metal fly out under high speed centrifugation effect along 10 end face level of high temperature alloy bar, and high temperature alloy bar 10 rotates
Edge linear velocity 20m/s；
3）The metallic cylinder 3 with water cooling is hit in high-speed flight to molten melt drop in a vacuum, is quickly solidified and is deposited on round metal
3 surfaces of cylinder；
4）Loopy moving high temperature alloy bar 10, makes molten metal bath drop in 3 surface ecto-entad of metallic cylinder successively above and below at the uniform velocity
Deposition, rapid shaping alloy dish type blank 8；
5）After alloy dish type blank 8 is taken out, normative heat treatment is carried out, aero-engine annular is obtained by a small amount of machining
Part.
Claims (7)
1. the quick molding method of the high temperature alloy diskware of a kind of aero-engine, it is characterised in that comprise the following steps：
Step 1, high temperature alloy bar is vertically placed in high vacuum furnace chamber, band is being placed parallel to bar upper surface horizontal plane
The thin wall metal cylinder of water cooling, is passed through cooling circulating water on the outside of thin wall metal cylinder, at bar end on thin wall metal cylinder inner wall
Annular supporting plate is equipped with below face；
Step 2, bar is rotated at a high speed vertically, bar end face is melted using 10-30KW high power electron beams, molten metal exists
Fly out under high speed centrifugation effect along bar end face level；
Step 3, the thin wall metal cylinder with water cooling is hit in high-speed flight to molten melt drop in a vacuum, is quickly solidified and is deposited on
Thin wall metal cylinder surface；
Step 4, at the uniform velocity upper and lower loopy moving high temperature alloy bar, makes molten metal bath drop in metallic cylinder surface ecto-entad successively
Deposition, rapid shaping alloy dish type blank；
Step 5, after alloy dish type blank is taken out, normative heat treatment is carried out, aero-engine dish type is obtained by machining
Part.
2. a kind of quick molding method of the high temperature alloy diskware of aero-engine according to claim 1, its feature
It is, the high vacuum furnace house vacuum degree is higher than 1 × 10-3Pa。
3. a kind of quick molding method of the high temperature alloy diskware of aero-engine according to claim 1, its feature
It is, the bar rotary speed described in step 2 is 20m/s~40m/s.
4. a kind of quick molding method of the high temperature alloy diskware of aero-engine according to claim 1, its feature
It is, carries out hip treatment before the obtained dish heat treatment described in step 5, further improve its consistency.
5. a kind of quick molding method of the high temperature alloy diskware of aero-engine according to claim 1, its feature
It is, comprises the following steps：
1）High temperature alloy bar is vertically placed in high vacuum furnace chamber, band is being placed parallel to high temperature alloy bar upper surface horizontal plane
There is a thin wall metal cylinder of water cooling, be passed through cooling circulating water on the outside of thin wall metal cylinder, in high temperature on thin wall metal cylinder inner wall
Annular supporting plate is equipped with below alloy plane rod end；Vacuum 5 × 10-4Pa；
2）High temperature alloy bar is rotated at a high speed vertically, high temperature alloy plane rod end, electron beam gun are melted using high power electron beam
Power 10kW；
Molten metal flies out under high speed centrifugation effect along high temperature alloy plane rod end level, high temperature alloy bar rotated edge linear velocity
40m/s；
3）The metallic cylinder with water cooling is hit in high-speed flight to molten melt drop in a vacuum, is quickly solidified and is deposited on metallic cylinder
Surface；
4）Loopy moving high temperature alloy bar, makes molten metal bath drop in metallic cylinder surface ecto-entad and successively sinks above and below at the uniform velocity
Product, rapid shaping alloy dish type；
5）After the alloy dish type blank of high temperature is taken out, normative heat treatment is carried out, aero-engine is obtained by a small amount of machining
Use dish.
6. a kind of quick molding method of the high temperature alloy diskware of aero-engine according to claim 1, its feature
It is, comprises the following steps：
1）High temperature alloy bar is vertically placed in high vacuum furnace chamber, band is being placed parallel to high temperature alloy bar upper surface horizontal plane
There is a thin wall metal cylinder of water cooling, be passed through cooling circulating water on the outside of thin wall metal cylinder, in high temperature on thin wall metal cylinder inner wall
Annular supporting plate is equipped with below alloy plane rod end；Vacuum 1 × 10-4Pa；
2）Bar is rotated at a high speed vertically, high temperature alloy plane rod end, electron beam gun power are melted using high power electron beam
20kW；
Molten metal flies out under high speed centrifugation effect along high temperature alloy plane rod end level, high temperature alloy bar rotated edge linear velocity
30m/s；
3）The metallic cylinder with water cooling is hit in high-speed flight to molten melt drop in a vacuum, is quickly solidified and is deposited on metallic cylinder
Surface；
4）Loopy moving high temperature alloy bar, makes molten metal bath drop in metallic cylinder surface ecto-entad and successively sinks above and below at the uniform velocity
Product, rapid shaping alloy dish type blank；
5）After alloy dish type blank is taken out, normative heat treatment is carried out, aero-engine dish type is obtained by a small amount of machining
Part.
7. a kind of quick molding method of the high temperature alloy diskware of aero-engine according to claim 1, its feature
It is, comprises the following steps：
1）High temperature alloy bar is vertically placed in high vacuum furnace chamber, band is being placed parallel to high temperature alloy bar upper surface horizontal plane
There is the thin wall metal cylinder of water cooling, cooling circulating water, thin wall metal cylinder metal are passed through on the outside of thin wall metal cylinder metallic cylinder
Annular supporting plate is equipped with cylinder inner wall below high temperature alloy plane rod end；Vacuum 2 × 10-4Pa；
2）Bar is rotated at a high speed vertically, high temperature alloy plane rod end, electron beam gun power are melted using high power electron beam
30kW, molten metal fly out under high speed centrifugation effect along high temperature alloy plane rod end level, high temperature alloy bar rotated edge linear speed
Spend 20m/s；
3）The metallic cylinder with water cooling is hit in high-speed flight to molten melt drop in a vacuum, is quickly solidified and is deposited on metallic cylinder
3 surfaces；
4）Loopy moving high temperature alloy bar, makes molten metal bath drop in metallic cylinder surface ecto-entad and successively sinks above and below at the uniform velocity
Product, rapid shaping alloy dish type blank；
5）After alloy dish type blank is taken out, normative heat treatment is carried out, aero-engine annular is obtained by a small amount of machining
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395577.7A CN108015285A (en) | 2017-12-21 | 2017-12-21 | A kind of quick molding method of the high temperature alloy diskware of aero-engine |
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|---|---|---|---|
| CN201711395577.7A CN108015285A (en) | 2017-12-21 | 2017-12-21 | A kind of quick molding method of the high temperature alloy diskware of aero-engine |
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| CN108015285A true CN108015285A (en) | 2018-05-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202095A (en) * | 2018-11-09 | 2019-01-15 | 中国工程物理研究院机械制造工艺研究所 | Metal material based on electron-beam melting is centrifuged milling method |
| CN109692953A (en) * | 2018-12-28 | 2019-04-30 | 西安欧中材料科技有限公司 | A kind of aero-engine high temperature alloy diskware preparation method |
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| CN1300871A (en) * | 1999-12-17 | 2001-06-27 | 哈尔滨工业大学 | Centrifugal cotomizing, spray and deposition method for coating and equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202095A (en) * | 2018-11-09 | 2019-01-15 | 中国工程物理研究院机械制造工艺研究所 | Metal material based on electron-beam melting is centrifuged milling method |
| CN109692953A (en) * | 2018-12-28 | 2019-04-30 | 西安欧中材料科技有限公司 | A kind of aero-engine high temperature alloy diskware preparation method |
| CN109692953B (en) * | 2018-12-28 | 2021-08-31 | 西安欧中材料科技有限公司 | Preparation method of high-temperature alloy disc for aircraft engine |
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Application publication date: 20180511 |
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