CN108104880A - The preparation method of whole leaf joint and whole leaf joint - Google Patents
The preparation method of whole leaf joint and whole leaf joint Download PDFInfo
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- CN108104880A CN108104880A CN201611054702.3A CN201611054702A CN108104880A CN 108104880 A CN108104880 A CN 108104880A CN 201611054702 A CN201611054702 A CN 201611054702A CN 108104880 A CN108104880 A CN 108104880A
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- leaf joint
- preparation
- ring core
- body layer
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/34—Rotor-blade aggregates of unitary construction, e.g. formed of sheet laminae
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/02—Pretreatment of the fibres or filaments
- C22C47/04—Pretreatment of the fibres or filaments by coating, e.g. with a protective or activated covering
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/02—Pretreatment of the fibres or filaments
- C22C47/06—Pretreatment of the fibres or filaments by forming the fibres or filaments into a preformed structure, e.g. using a temporary binder to form a mat-like element
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/20—Making alloys containing metallic or non-metallic fibres or filaments by subjecting to pressure and heat an assembly comprising at least one metal layer or sheet and one layer of fibres or filaments
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/04—Light metals
- C22C49/06—Aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/10—Refractory metals
- C22C49/11—Titanium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/14—Alloys containing metallic or non-metallic fibres or filaments characterised by the fibres or filaments
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Forging (AREA)
Abstract
Preparation method and whole leaf joint the invention discloses a kind of whole leaf joint.The preparation method of whole leaf joint includes：Prepare the leaf joint ring core blank with continuous fiber；The annular alloy forged piece with annular groove is prepared, annular groove has the opening being located on the axial end face of annular alloy forged piece；Leaf joint ring core blank is placed in annular groove and leaf joint ring core blank and annular alloy forged piece are subjected to fusion treatment to form the whole leaf joint blank of continuous filament reinforced metallic matrix composite.The present invention proposes a kind of preparation method of whole leaf joint for the preparation of the whole leaf joint of continuous filament reinforced metallic matrix composite, by first preparing leaf joint ring core blank, then the whole leaf joint blank by the leaf joint ring core blank prepared and the annular alloy forged piece progress fusion treatment formation continuous filament reinforced metallic matrix composite with annular groove.
Description
Technical field
The present invention relates to technical field of aerospace, the preparation method of more particularly to a kind of whole leaf joint and whole leaf joint.
Background technology
In order to improve the thrust-weight ratio of aviation turbofan engine, when designing engine, it is necessary to mitigate the structure weight of engine
Amount.For this purpose, in addition to improving with the master-plan of optimization engine, it is also necessary to the more advanced light high performance green wood of research and development
Material and lightweight structure component.In recent years, external advanced aero engine company is being researched and developed with high specific strength, height
Rigidity, low-density metal-base composites entirety leaf joint manufacturing process, to improve the thrust-weight ratio of engine.
At present, existing metal-base composites entirety leaf joint is mostly that Sic particle enhanced aluminum-based composite materials or titanium-based are answered
Condensation material, and complete using the method for melting die cast, forging, mechanical processing are combined the manufacture of whole leaf joint part.With tradition
Aluminium alloy/titanium alloy material compare, although particle reinforced aluminium-based or titanium matrix composite mechanical property has a distinct increment,
Still there is certain gap with the working condition requirement of whole leaf joint, therefore, entirety is formed using continuous filament reinforced metallic matrix composite
Leaf joint is integrally formed a developing direction of leaf joint with the mechanical property for further promoting whole leaf joint.
It is but according to continuous filament reinforced metallic matrix composite, then traditional to melt die cast, forging, mechanical processing nothing
Method is suitable for the processing of whole leaf joint.
The content of the invention
Preparation method and whole leaf joint it is an object of the invention to provide a kind of whole leaf joint, to prepare continuous fiber increasing
The whole leaf joint of strong metal based composites.
First aspect present invention provides a kind of preparation method of whole leaf joint, including：Prepare the leaf joint with continuous fiber
Ring core blank；The annular alloy forged piece with annular groove is prepared, the annular groove, which has, is located at the annular alloy forged piece
Axial end face opening；The leaf joint ring core blank is placed in the annular groove and by the leaf joint ring core blank and institute
It states annular alloy forged piece and carries out fusion treatment to form the whole leaf joint blank of continuous filament reinforced metallic matrix composite.
Further, the preparation method is further included is processed to obtain working-blade with shape to the whole leaf joint blank
Into the whole leaf joint.
Further, preparing leaf joint ring core blank includes：Form fibrae circulares precast body layer；By at least two fibrae circulares
Precast body stacking is linked to be overall structure to form the leaf joint ring core blank after putting setting.
Further, at least two fibrae circulares precast body layer axially or radially folding along the leaf joint ring core blank
Put setting.
Further, leaf joint ring core blank is prepared to further include the fibrae circulares precast body layer and alloy sheet in axial direction
Upper alternately placed radially replaces placed and carries out hot pressing so that the fibrae circulares precast body layer and the alloy sheet
Fully fusion.
Further, it is in positioned at the outermost fibrae circulares precast body layer between the alloy sheet.
Further, it is prefabricated including the continuous fiber is wound in the fibrae circulares to form fibrae circulares precast body layer
Body layer.
Further, the continuous fiber is wound using wind to form the fibrae circulares precast body
Layer.
Further, the continuous fiber is wound from radially inner side to radial outside to form fibrae circulares precast body layer.
Further, apply centainly on the axial end face of fibrae circulares precast body layer during being wound to fiber
Pressure to ensure the regularity of continuous fiber winding.
Further, to being glued between the continuous fiber section that is radially disposed adjacent during being wound to fiber
Connect processing.
Further, the fibrae circulares precast body layer is single layer fibre in the axial direction.
Further, pretreatment is carried out to the surface of the continuous fiber before the continuous fiber is wound to cause
The surface of the continuous fiber is covered with metal coating.
Further, the continuous fiber include silicon carbide fibre or alumina fibre and/or, the annular alloy forging
Part includes aluminum alloy forge piece or titanium alloy forging.
Second aspect of the present invention provides a kind of whole leaf joint, and the entirety leaf joint is carried with any one of first aspect present invention
It is prepared by the preparation method of the whole leaf joint of confession.
Preparation method and whole leaf joint, the preparation method of whole leaf joint based on whole leaf joint provided by the invention include：
Prepare the leaf joint ring core blank with fiber；The annular alloy forged piece with annular groove is prepared, the opening of annular groove is located at
On the axial end face of annular alloy forged piece；Leaf joint ring core blank is placed in annular groove and closes leaf joint ring core blank and annular
Bodkin part carries out fusion treatment to form the whole leaf joint blank of continuous filament reinforced metallic matrix composite.
The present invention proposes a kind of whole leaf joint for the preparation of the whole leaf joint of continuous filament reinforced metallic matrix composite
Preparation method, by first preparing leaf joint ring core blank, then by the leaf joint ring core blank prepared and the ring with annular groove
Shape alloy forged piece carries out the whole leaf joint blank that fusion treatment forms continuous filament reinforced metallic matrix composite.In addition, this hair
The moulding process of bright whole leaf joint is simple.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Description of the drawings
Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description does not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structure diagram of the whole leaf joint of the embodiment of the present invention；
Fig. 2 is the flow chart of the preparation method of the whole leaf joint of the embodiment of the present invention；
Fig. 3 to Fig. 5 is the method schematic diagram for preparing fibrae circulares precast body layer；
Fig. 6 to Fig. 7 is the method schematic diagram for preparing leaf joint ring core blank；
Fig. 8 to Figure 11 is the method schematic diagram for preparing whole leaf joint blank；
Figure 12 is the structure diagram of the integral leaf joint of processing work blade-shaped.
Each reference numeral represents respectively：
1- leaf joint ring core blanks；11- fibrae circulares precast body layers；110- coated fibers；111- fibers；112- metals apply
Layer；12- aluminum alloy flakes；2- annular alloy forged pieces；21- annular grooves；22- working-blades；5- winds；51- disks；
52- columns；53- head covers；8- hot pressing dies.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, belong to the scope of protection of the invention.
Unless specifically stated otherwise, the component and positioned opposite, the digital table of step otherwise illustrated in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to be drawn according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, the technology, method and apparatus should be considered as authorizing explanation
A part for book.In shown here and discussion all examples, any occurrence should be construed as merely illustrative, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that：Similar label
Similar terms is represented in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It need not be further discussed in figure.
The preparation method of the whole leaf joint of the embodiment of the present invention includes：Prepare the leaf joint ring core blank with continuous fiber；
The annular alloy forged piece with annular groove is prepared, annular groove, which has, is located at opening on the axial end face of annular alloy forged piece
Mouthful；Leaf joint ring core blank is placed in annular groove and leaf joint ring core blank and annular alloy forged piece are subjected to fusion treatment with shape
Into the whole leaf joint blank of continuous filament reinforced metallic matrix composite.The preparation method of the whole leaf joint of the embodiment of the present invention is led to
It is carried out after first preparing leaf joint ring core blank, then by the leaf joint ring core blank prepared and the annular alloy forged piece with annular groove
Fusion treatment prepares the whole leaf joint of continuous filament reinforced metallic matrix composite.
The fiber of the leaf joint ring core blank of the embodiment of the present invention can be silicon carbide fibre or alumina fibre.
Annular alloy forged piece can be aluminum alloy forge piece or titanium alloy forging, when annular alloy forged piece is aluminum alloy forge piece,
Whole leaf joint is the whole leaf joint of continuous lod aluminum matrix composite.When annular alloy forged piece is titanium alloy forging,
Whole leaf joint is the whole leaf joint of continuous fiber reinforcing titanium matrix composite.
The preparation method of the whole leaf joint of the embodiment of the present invention is further included badly to be processed to obtain work to whole leaf joint hair
Blade is to form whole leaf joint.
It will be illustrated below exemplified by prepare the method for the whole leaf joint of continuous lod aluminum matrix composite.
As shown in Figure 1, entirety leaf joint manufactured in the present embodiment includes ring core and working-blade.Wherein, ring core is continuous fine
Reinforced aluminum matrix composites are tieed up, working-blade is aluminum alloy materials.The internal diameter of ring core is R1, and the outer diameter of ring core is R2.Whole leaf
The outer diameter of ring is R3.
As shown in Fig. 2, the preparation method of the whole leaf joint of the present embodiment includes the following steps：
The first step：Prepare the leaf joint ring core blank 1 with continuous fiber；
Second step：The annular alloy forged piece 2 with annular groove 21 is prepared, the opening of annular groove 21 is located at annular alloy
On the axial end face of forging 2；
3rd step：Leaf joint ring core blank 1 is placed in annular groove 21 and by leaf joint ring core blank 1 and annular alloy forged piece
2 carry out fusion treatments to form the whole leaf joint blank of continuous filament reinforced metallic matrix composite；
4th step：Whole leaf joint blank is processed to obtain working-blade to form whole leaf joint.
The specific steps of leaf joint ring core blank of the preparation with fiber of the first step will be carried out according to Fig. 3 to Fig. 7 below
Explanation.
In order to improve the compatibility between continuous fiber and aluminum alloy forge piece so that between continuous fiber and aluminum alloy forge piece
It can preferably merge, as shown in figure 3, first having to that the surface of continuous fiber 111 is carried out to pre-process to cause continuous fiber 111
Surface is covered with metal coating 112, such as can make the surface of continuous fiber 111 covered with aluminium alloy covered.Heat may be employed
The method of spraying or PVD are surface-treated continuous fiber 111.Had after being surface-treated to continuous fiber 111
There is the coated fiber 110 of metal coating.
As shown in Figure 4 and Figure 5, coated fiber 110 is wound using wind 5 to form fibrae circulares precast body
Layer 11.Axes O shown in Fig. 5 is the axis of whole leaf joint.
The structure of wind 5 has column as shown in figure 4, wind 5 includes middle part used by the present embodiment
52 disk 51 and the matched head cover 53 used.
Preferably, coated fiber 110 is being wound using wind 5 to form fibrae circulares precast body layer 11
When, from the radially inner side of disk 51 to the direction of radial outside winding fiber to form fibrae circulares precast body layer.
In order to ensure the size of prepared whole leaf joint, the radius R4 of the cylinder 52 of wind 5 should be greater than this reality
Apply the internal diameter R1 of the ring core of the whole leaf joint of example preparation.Its difference is 5-10mm.
In order to be beneficial to ensure entanglement will not occur in the winding process of coated fiber 110, needed during the winding process to adjacent
Coated fiber 110 carry out bonding processing.For example, may be employed the epoxy resin of room temperature curing to adjacent coated fiber section into
The processing of row bonding.
Preferably, in order to be beneficial to ensure the regularity of the winding of coated fiber 110, it is wound using wind 5
During apply certain pressure on the axial end face of fibrae circulares precast body layer 11 with ensure winding regularity.
In the present embodiment, downward pressure is applied on head cover 53 while winding.Specifically, at interval of 30s,
Apply the downward pressure not less than 10kg on the head cover 53 of wind 5 to ensure the neat degree of the winding of coated fiber 110.
And it should remain a constant speed when winding coated fiber 110.For example, it needs to be not more than speed of wrap in winding
1m/min。
By above-mentioned winding process, the fibrae circulares precast body layer 11 of individual layer has been obtained.The structure of its cross section such as Fig. 5
It is shown.
In a unshowned embodiment of attached drawing, the place of metal coating can not also be carried out to the surface of continuous fiber
Reason, then when preparing fibrae circulares precast body layer, be exactly directly wound using wind to continuous fiber.
As shown in fig. 6, preparing leaf joint ring core blank 1 is included after at least two fibrae circulares precast body layers 11 are stacked setting
Form overall structure.
In the present embodiment, at least two fibrae circulares precast body layers 11 stack setting along the axial direction of leaf joint ring core blank 1.
In order to which the leaf joint ring core blank 1 for enabling to have fiber is preferably merged with aluminum alloy forge piece 2, such as Fig. 6 institutes
Show, prepare leaf joint ring core blank 1 and further include fibrae circulares precast body layer 11 is replaced into placed in the axial direction with aluminum alloy flake 12
And hot pressing is carried out so that fibrae circulares precast body layer 11 is fully merged with aluminum alloy flake 12.The whole leaf joint of the present embodiment
Preparation method makes fibrae circulares precast body layer 11 fully be merged with aluminum alloy flake 12 by hot pressing, promotes interior solid journey
Degree promotes the structural intergrity of whole leaf joint, reduces internal flaw, fully improves interface characteristics between fiber and alloy substrate
Energy.
As shown in fig. 6, fibrae circulares precast body layer 11 and aluminum alloy flake 12 are replaced into placed in hot pressing die 8.
It is then pre- according to one layer of fibrae circulares first in placed 15-20 layers of the bottom of hot pressing die 8 aluminum alloy flake 12 in laid course
The mode that body layer 11 processed is superimposed two layers of aluminum alloy flake 12 replaces laying in hot pressing die 8.Above-mentioned laid course will ensure ring
The overall thickness of shape fiber preform layer 11 and aluminum alloy flake is less than the thickness of whole leaf joint.Such as whole leaf joint can be less than
Thickness about 5-6mm.After completing above-mentioned placed, then above placed 15-20 layers of aluminum alloy flake 12 and close pressure hot pressing die 8 with
Carry out hot pressing.Arrow in Fig. 6 shows the application direction of the pressure of hot pressing die 8.Due to aluminum alloy flake 12 and fibrae circulares
Precast body layer 11 is to replace placed on the axial direction of leaf joint ring core blank, therefore in order to which the two is made preferably to merge, hot pressing
The hot pressing direction of mold 8 is downward.
It is the leaf joint ring core blank 1 obtained after hot-pressing processing shown in Fig. 7.
In a unshowned embodiment of attached drawing, footpath of at least two fibrae circulares precast body layers along leaf joint ring core blank
It is set to stacking.At this time to set aluminum alloy flake between fibrae circulares precast body layer, then the hot pressing side of hot pressing die
To just for radially inward.
Fig. 8 and Fig. 9 shows the structure diagram of the annular alloy forged piece 2 of the present embodiment.The annular alloy of the present embodiment
Forging 2 has annular groove 21.The opening of annular groove 21 is located on the axial end face of annular alloy forged piece 2.As shown in figure 8,
The internal diameter R5 of annular alloy forged piece 2 corresponds to the internal diameter R1 of the ring core of whole leaf joint shown in FIG. 1, and annular groove 21 is in footpath
Wall surface outward corresponds to the outer diameter of the ring core of whole leaf joint shown in FIG. 1 with the distance between the axes O of whole leaf joint R6
R2, the outer diameter R7 of annular alloy forged piece 2 correspond to the outer diameter R3 of whole leaf joint shown in FIG. 1.Preparing annular alloy forged piece 2
When, R5 need to be caused to reserve the allowance of 5-10mm compared with R1, R6 reserves the allowance of 5-10mm compared with R2, and R7 is opposite
The allowance of 5-10mm is reserved in R3.
As shown in Figure 10, the leaf joint ring core blank 1 prepared is placed in the annular groove 21 of annular alloy forged piece 2 and incited somebody to action
Leaf joint ring core blank 1 carries out fusion treatment to form the whole of continuous filament reinforced metallic matrix composite with annular alloy forged piece 2
Body leaf joint blank.
Specifically in the present embodiment, first leaf joint ring core blank 1 is placed in the annular groove 21 of annular alloy forged piece 2, so
It puts it into hot isostatic apparatus and is diffused and curing process again afterwards.The treatment temperature control of hot isostatic apparatus is existed
450-500 DEG C, pressure is controlled in 140-150MPa, and when keeping above-mentioned pressure 4-5 small, then cooled to room temperature.Figure 11
In arrow show carry out hip treatment when pressure application direction.
Before hot isostatic apparatus is put into, and need to use stainless steel after leaf joint ring core blank is put into aluminum alloy forge piece
Jacket carries out integral coating and is placed into after carrying out vacuumize process in hot isostatic apparatus.
Whole leaf joint blank is formed by above step.Finally last machinery is carried out to the whole leaf joint blank of formation to add
Work, process whole leaf joint working-blade just obtained it is as shown in figure 12 current embodiment require that the whole leaf joint of preparation.
Entirety leaf joint manufactured in the present embodiment using aluminium alloy as basis material, since aluminium is with lower density, because
This whole leaf joint manufactured in the present embodiment has superior loss of weight advantage.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
It can modify to the specific embodiment of the present invention or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical solution should all cover among the claimed technical solution scope of the present invention.
Claims (15)
1. a kind of preparation method of entirety leaf joint, which is characterized in that including：Prepare the leaf joint ring core blank with continuous fiber；
The annular alloy forged piece with annular groove is prepared, the annular groove has the axial end face for being located at the annular alloy forged piece
On opening；The leaf joint ring core blank is placed in the annular groove and closes the leaf joint ring core blank and the annular
Bodkin part carries out fusion treatment to form the whole leaf joint blank of continuous filament reinforced metallic matrix composite.
2. the preparation method of entirety leaf joint according to claim 1, which is characterized in that the preparation method is further included to institute
Whole leaf joint hair is stated badly to be processed to obtain working-blade to form the whole leaf joint.
3. the preparation method of entirety leaf joint according to claim 1, which is characterized in that preparing leaf joint ring core blank includes：
Form fibrae circulares precast body layer；It is linked to be overall structure after the stacking of at least two fibrae circulares precast bodies is put setting to be formed
State leaf joint ring core blank.
4. the preparation method of entirety leaf joint according to claim 3, which is characterized in that at least two fibrae circulares is pre-
Body layer processed axially or radially stacks setting along the leaf joint ring core blank.
5. the preparation method of entirety leaf joint according to claim 4, which is characterized in that prepare leaf joint ring core blank and further include
The fibrae circulares precast body layer is replaced with alloy sheet to placed in the axial direction or radially replace placed and carry out hot pressing with
So that the fibrae circulares precast body layer is fully merged with the alloy sheet.
6. the preparation method of entirety leaf joint according to claim 5, which is characterized in that positioned at outermost described annular fine
Dimension precast body layer is between the alloy sheet.
7. the preparation method of entirety leaf joint according to claim 3, which is characterized in that form fibrae circulares precast body layer bag
It includes and the continuous fiber is wound in the fibrae circulares precast body layer.
8. the preparation method of entirety leaf joint according to claim 7, which is characterized in that using wind to described continuous
Fiber is wound to form the fibrae circulares precast body layer.
9. the preparation method of entirety leaf joint according to claim 7, which is characterized in that twined from radially inner side to radial outside
Around the continuous fiber to form fibrae circulares precast body layer.
10. the preparation method of entirety leaf joint according to claim 7, which is characterized in that the process being wound to fiber
In apply certain pressure on the axial end face of fibrae circulares precast body layer to ensure the regularity of continuous fiber winding.
11. the preparation method of entirety leaf joint according to claim 7, which is characterized in that twined to the continuous fiber
To carrying out bonding processing between radially adjacent continuous fiber section during.
12. the preparation method of entirety leaf joint according to claim 7, which is characterized in that the fibrae circulares precast body layer
It is single layer fibre in the axial direction.
13. the preparation method of entirety leaf joint according to claim 7, which is characterized in that carried out to the continuous fiber
Pretreatment is carried out to the surface of the continuous fiber before winding so that the surface of the continuous fiber is covered with metal coating.
14. the preparation method of entirety leaf joint according to any one of claim 1 to 13, which is characterized in that described continuous
Fiber include silicon carbide fibre or alumina fibre and/or, the annular alloy forged piece includes aluminum alloy forge piece or titanium alloy is forged
Part.
15. a kind of entirety leaf joint, which is characterized in that the entirety leaf joint is used as any one of claim 1 to 14
It is prepared by the preparation method of whole leaf joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611054702.3A CN108104880A (en) | 2016-11-25 | 2016-11-25 | The preparation method of whole leaf joint and whole leaf joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611054702.3A CN108104880A (en) | 2016-11-25 | 2016-11-25 | The preparation method of whole leaf joint and whole leaf joint |
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| CN108104880A true CN108104880A (en) | 2018-06-01 |
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|---|---|---|---|
| CN201611054702.3A Pending CN108104880A (en) | 2016-11-25 | 2016-11-25 | The preparation method of whole leaf joint and whole leaf joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114934815A (en) * | 2022-05-12 | 2022-08-23 | 中国航发四川燃气涡轮研究院 | Hoop type engine rotor blade ring structure made of metal matrix composite material |
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