CN108149162A - A kind of high intensity guider - Google Patents
A kind of high intensity guider Download PDFInfo
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- CN108149162A CN108149162A CN201711449020.7A CN201711449020A CN108149162A CN 108149162 A CN108149162 A CN 108149162A CN 201711449020 A CN201711449020 A CN 201711449020A CN 108149162 A CN108149162 A CN 108149162A
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- 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
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- C22C47/00—Making alloys containing metallic or non-metallic fibres or filaments
- C22C47/14—Making alloys containing metallic or non-metallic fibres or filaments by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments
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- 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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- 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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/28—Vacuum evaporation by wave energy or particle radiation
- C23C14/30—Vacuum evaporation by wave energy or particle radiation by electron bombardment
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/021—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
- C23C28/022—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer with at least one MCrAlX layer
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Abstract
The present invention relates to a kind of guiders, and in particular to a kind of high intensity guider belongs to mechanical material field.High intensity guider of the present invention is made of aluminum alloy materials, and the aluminum alloy materials specifically include the ingredient of following mass percent：Si：0.45 0.6%, Fe：0.55 0.65%, Cu：0.1 0.2%, Mg：0.85 0.95%, Zn：0.15 0.2%, Mn：0.18 0.25%, Ti：0.15 0.25%, Be：0.01 0.02%, Sr：0.04 0.06%, SiBN fiber：2.1 2.5%, surplus Al；The aluminum alloy surface is coated with Ni P transition zones and MgCoCrAlYSi coatings.High intensity guider of the present invention has excellent mechanical performance, and service life is long.
Description
Invention field
The present invention relates to a kind of guiders, and in particular to a kind of high intensity guider belongs to mechanical material field.
Background technology
Turbojet is a kind of turbogenerator, its main feature is that being completely dependent on combustion gas body generates thrust, is usually used
Make the power of high-speed aircraft.Turbojet is divided into that centrifugal and axial-flow type beam is red, and turbojet is according to " work
The pattern of cycle " works, its inspiration air from air, air is compressed and heating process after obtain energy and momentum,
The air for obtaining energy and momentum later is discharged from propelling nozzle, when high-speed gas sprays engine, while with action pneumatic
Machine and turbine continue to rotate, and maintain working cycles.
The later stage nineties in last century, along with large-scale turbojet technology reach its maturity and it is consummate, in foreign countries
Occurs dozens of thrust successively with the product of the miniature turbine jet engines of subordinate.Miniature turbine jet engines product quilt
It is widely used in military, civilian different field, is played an important role in future war, such as applies in micro-unmanned war
In bucket machine, the subject that miniature turbine jet engines design is related to includes：Aerodynamics, Combustion, engine structure intensity
, mechanics, autonetics etc..
Guider is the important component of miniature turbine jet engines, and the effect of guider is the height for discharging combustion chamber
Warm high pressure gas is depressured, and improves air velocity, while changes the direction of advance of air-flow, it is made to be embedded in from radial direction flow direction
The turbine interior of guider central interior, the structure of guider influence the key performances such as the thrust of miniature turbine jet engines
Larger, therefore, the structure of guider has the function of to hold the balance.
Invention content
The present invention is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of guider of high intensity.
The purpose of the present invention is realized by following technical solution：A kind of high intensity guider, the high intensity guider
It is made of aluminum alloy materials, the aluminum alloy materials specifically include the ingredient of following mass percent：Si：0.45-0.6%, Fe：
0.55-0.65%, Cu：0.1-0.2%, Mg：0.85-0.95%, Zn：0.15-0.2%, Mn：0.18-0.25%, Ti：0.15-
0.25%, Be：0.01-0.02%, Sr：0.04-0.06%, SiBN fiber：2.1-2.5%, surplus Al；The aluminium alloy table
Face is coated with Ni-P transition zones and MgCoCrAlYSi coatings.
High intensity guider of the present invention adds in SiBN fibers by using above-mentioned al alloy component in aluminium alloy, no
It is only capable of the crystal grain of refining aluminum alloy, moreover it is possible to the mechanical performance of the aluminium alloy enhanced；Meanwhile the present invention is applied in aluminum alloy surface
Ni-P transition zones and MgCoCrAlYSi coatings are covered, the compatibility of alloy matrix aluminum and MgCoCrAlYSi coatings can be increased, from
And the obtained wear-resisting property of high intensity guider is improved, reach the purpose of the present invention.
High intensity guider in the present invention is made using the aluminium alloy that density is low, intensity is high, plasticity is good, can be ensured
The high intensity guider keeps stablizing in global design, structural behaviour.Wherein, in the aluminium alloy of high intensity guider of the present invention
The metallic elements such as Fe, Cu, Mg, Zn, Mn are added in material.Aluminium element fusing point is very high, and fusing speed is very slow, adds in these metals
Intermediate alloy can be made with aluminium, then element is introduced into aluminum melt in the form of intermediate alloy, avoid so molten to accelerate
Solution speed and increase the energy waste that temperature band is come, while can be to avoid bringing impurity into due to certain element oxides, and can make
It realizes high absorptivity and stability under relatively low smelting temperature, and be conducive to improve the quality of aluminium alloy cast ingot reduces simultaneously
Energy consumption and cost.The metallic element purity added in the present invention for 99% and more than, the amount of bringing into of impurity can be minimized.
In high intensity guider of the present invention, by adding in the Si of mentioned component in aluminium alloy, conjunction can not only be made
All Mg can be with Mg in gold2The form of Si phases exists, and is fully played with the effect for ensuring Mg.And as Si contains
Amount increases, the crystal grains fine of alloy, and metal fluidity increase, casting character improves, and heat treatment reinforcement effect increases, and section bar resists
Tensile strength improves but plasticity reduces, and corrosion resistance degenerates.Therefore the Si elements of mentioned component are used in the present invention.
In addition, micro Ti elements are added in the aluminum alloy materials of high intensity guider of the present invention.Ti belongs to rare
Metal, the abundance in the earth's crust account for the 7th.Ti can form TiAl2 phases with aluminium, become heterogeneous necleus during crystallization, can not only
Crystal grain thinning, moreover it is possible to play a part of to refine cast sturcture and seam organization.Ti is added in aluminum alloy materials, mechanicalness can be improved
Feeding capacity when can and solidify, improves the consistency of aluminium alloy castings, while improve casting quality.
Furthermore it is added to micro Be elements in the aluminum alloy materials composition of high intensity guider of the present invention.When a small amount of
Be when being added into acieral melt, cause and one layer of protection oxidation beryllium film formed on surface, this film can reduce slag,
It improves metal production and clarity and improves mobility.And since Be has very big affinity to oxygen and nitrogen, add in this yuan
After element, the gas that can effectively go out in metal bath can thus obtain that surface smoothness is good, has higher-strength and good modeling
The premium casting of property.
Secondly, micro Sr is added in the aluminum alloy materials of high intensity guider of the present invention, Sr is surface-active member
Element, Sr can change the behavior of intermetallic compound phase in crystallography, therefore addition Sr can improve the modeling of alloy in the alloy
The quality of property processability and final products.
Preferably, the sum of mass percent of Be of the present invention and Sr is 0.04-0.07%.
Meanwhile the present invention, by adding in SiBN fibers in aluminum alloy materials, wherein SiBN wave transparents ceramic fibre has excellent
Different high temperature resistant, anti-oxidant and creep-resistant property, and fiber can be adjusted by adjusting the atomic ratio of Si, B, N in fiber
Mechanical property and dielectric properties, the dielectric properties of fiber can be improved by increasing BN phase components, and the phase component for increasing Si can be from certain
Improve the mechanical property of fiber in degree.
The present invention in aluminum alloy material surface by coating Ni-P transition zones and MgCoCrAlYSi coatings, wherein after crystallization
Tissue with stable phase Ni3Based on P, there is also a small amount of Ni phases, the Ni elements in Al elements and coating in matrix are in concentration
Counterdiffusion occurs under the action of difference.Ni-Ni chemistry bond dissociation energy is than the height of Al-Al chemical bonds, formationization between Ni-Al
Learn the stabilization that key is conducive to system.With the progress of thermal cycle, the interface zone of chemical deposit and matrix forms stratiform not
With the diffusion layer of Ni/Al ratios.And the coating of MgCoCrAlYSi coatings can form fine and close oxidation film in aluminum alloy surface,
And oxidation film is mainly by MgO, Al2O3And a small amount of Cr2O3Composition can effectively control the diffusible oxydation of Al elements, so as to get
The oxidation resistance of aluminium alloy further improve.
It is another object of the present invention to provide a kind of preparation method of above-mentioned high intensity guider, the preparation methods
Specifically comprise the following steps：
Premix：Si, Al in aluminium alloy stock and quality is dry-mixed for the ethyl alcohol progress of aluminium alloy quality 0.85-0.95%
Al alloy powder must be pre-mixed；
Ball milling：Residual components in aluminium alloy stock and premixing Al alloy powder are placed on planetary ball mill the machine that carries out
Tool alloying；
Isostatic cool pressing：Al alloy powder after ball milling is subjected to isostatic cool pressing into prefabricated blank；
Sintering：Prefabricated blank is sintered in a nitrogen atmosphere；
Hot extrusion：Sintered prefabricated blank extrusion forming is obtained into high intensity guider blank；
Heat treatment：High intensity guider blank is carried out to be heat-treated to obtain high intensity guider semi-finished product；
Chemical Ni-P plating transition zone：Using the method for chemical plating in high intensity guider surface of semi-finished chemical Ni-P plating mistake
Cross layer；
MgCoCrAlYSi coatings coat：Using electro beam physics vapour deposition method in high intensity guider surface of semi-finished
Coating MgCoCrAlYSi coatings obtain high intensity and are oriented to finished product.
In a kind of above-mentioned preparation method of high intensity guider, the pressure of the isostatic cool pressing is 150-155MPa, when
Between be 2-3min.
In a kind of above-mentioned preparation method of high intensity guider, quality is also added into sintering process as aluminium alloy matter
The sintering aid of 1.1-1.2% is measured, the sintering aid is Al2O3.For being free of fine Al2O3The mixture of powder, aluminium during compacting
Based powders occur to reset, deformation, and part is formed between particle and is in close contact face, and oxide among these is more difficult to be contacted with being sintered hydrogen
And it is reduced.With the progress of sintering, in green body the reduction of interconnected pore be less useful for the removing of residual oxygen.When addition is a small amount of
Al2O3During powder, since these fine grits are relatively evenly adhered to basic aluminium powder surface, iron particle when can cause to suppress
Between contact defective tightness, especially in Al2O3When the additive amount increase of fine powder causes green density to reduce, the connection of green body inner pore
Rate should further increase, and be more advantageous to contact of the aluminium base particle surface with reducing atmosphere.And for these fine Al2O3
Grain, due to having higher specific surface area, reduction temperature more required than the oxide on basic aluminium powder surface is lower.It is fine
Al2O3Powder be reduced after in relatively low sintering temperature or shorter sintering time the effect of activated sintering become apparent from.With
The increase of sintering temperature or the extension of time, the declines of attritive powder activated sintering, this is because particle is grown up and closed
And the driving force of activated sintering is declined, the strength enhancing of alloy is more attributed to the homogenization of alloying element and hole subtracts
The structures such as small, sphering change.
In a kind of above-mentioned preparation method of high intensity guider, the sintering temperature is 620-630 DEG C, time 2-
2.1h。
In a kind of above-mentioned preparation method of high intensity guider, the extrusion ratio of the hot extrusion is 20-21, extrusion temperature
It is 450-460 DEG C.
In a kind of above-mentioned preparation method of high intensity guider, the heat treatment specifically comprises the following steps：In temperature
It is solution treatment 3-4h at 490-500 DEG C, water cooling, timeliness ageing treatment 8-9h at being 180-190 DEG C in temperature.Solid solubility temperature and
Time is that the principal element of influence solution heat treatment system selects suitable technological parameter that the heterogeneous structure of aluminium alloy to the greatest extent can may be used
Single-phase solid solution body tissue can be changed into, solid solubility temperature is improved so as to improve its performance and extend soaking time and can increase
The solid solubility of atom in the base is dissolved, improves the solid solution strengthening effect of alloy, but the length of alloy grain can be caused again simultaneously
Greatly or even burning occurs, offset the solution strengthening that solid solution atom generates, reduce alloy strength.Therefore, in solution treatment process
In, it needs to select rational solid solubility temperature and time, makes it while solution strengthening is realized, and can effectively inhibit the length of crystal grain
Greatly.
In a kind of above-mentioned preparation method of high intensity guider, the target that the MgCoCrAlYSi coatings use includes
The ingredient of following mass percent：Mg：20-22%, Co：22-23%, Cr：20-22%, Al：12-14%, Y：1.2-1.5%,
Surplus is Si.
Compared with prior art, the invention has the advantages that：
1st, high intensity guider of the present invention is made of aluminum alloy materials, and SiBN fibres are just added in aluminum alloy materials
Dimension can ensure that the mechanical properties strength of manufactured high intensity guider further improves；
2nd, high intensity guider of the present invention is by rational preparation method, and sintering aid is added in preparation process, energy
High intensity guider intensity made of enough guarantees is high, uniformity is good；
3rd, high intensity guider of the present invention is by the rational aluminum alloy materials of compatibility, and passes through rational preparation method, energy
High intensity guider obtained is enough made to there is excellent mechanical performance, and service life is long.
Specific embodiment
It is the specific embodiment of the present invention below, technical scheme of the present invention is further described, but the present invention
It is not limited to these embodiments.
Embodiment 1
Premix：Si, Al in aluminium alloy stock and quality is dry-mixed for the ethyl alcohol progress of aluminium alloy quality 0.85-0.95%
Al alloy powder must be pre-mixed；The aluminum alloy materials specifically include the ingredient of following mass percent：Si：0.45-0.6%, Fe：
0.55-0.65%, Cu：0.1-0.2%, Mg：0.85-0.95%, Zn：0.15-0.2%, Mn：0.18-0.25%, Ti：0.15-
0.25%, Be：0.01-0.02%, Sr：0.04-0.06%, SiBN fiber：2.1-2.5%, surplus Al；
Ball milling：Residual components in aluminium alloy stock and premixing Al alloy powder are placed on planetary ball mill the machine that carries out
Tool alloying；
Isostatic cool pressing：Al alloy powder after ball milling is subjected to isostatic cool pressing into prefabricated blank；The pressure of the isostatic cool pressing
For 150-155MPa, time 2-3min；
Sintering：Prefabricated blank is sintered in a nitrogen atmosphere；Quality is also added into sintering process as aluminium alloy quality
The sintering aid of 1.1-1.2%, the sintering aid are Al2O3；Sintering temperature is 620-630 DEG C, time 2-2.1h；
Hot extrusion：Sintered prefabricated blank extrusion forming is obtained into high intensity guider blank；The extrusion ratio of the hot extrusion
For 20-21, extrusion temperature is 450-460 DEG C；
Heat treatment：High intensity guider blank is carried out to be heat-treated to obtain high intensity guider semi-finished product；The heat treatment tool
Body includes the following steps：Solution treatment 3-4h at being 490-500 DEG C in temperature, water cooling, at being 180-190 DEG C in temperature during timeliness
Effect processing 8-9h；
Chemical Ni-P plating transition zone：Using the method for chemical plating in high intensity guider surface of semi-finished chemical Ni-P plating mistake
Cross layer；
MgCoCrAlYSi coatings coat：Using electro beam physics vapour deposition method in high intensity guider surface of semi-finished
Coating MgCoCrAlYSi coatings obtain high intensity and are oriented to finished product；The target that the MgCoCrAlYSi coatings use includes following quality
The ingredient of percentage：Mg：20-22%, Co：22-23%, Cr：20-22%, Al：12-14%, Y：1.2-1.5%, surplus are
Si。
Embodiment 2
Premix：Si, Al in aluminium alloy stock and quality is dry-mixed for the ethyl alcohol progress of aluminium alloy quality 0.85-0.95%
Al alloy powder must be pre-mixed；The aluminum alloy materials specifically include the ingredient of following mass percent：Si：0.45-0.6%, Fe：
0.55-0.65%, Cu：0.1-0.2%, Mg：0.85-0.95%, Zn：0.15-0.2%, Mn：0.18-0.25%, Ti：0.15-
0.25%, Be：0.01-0.02%, Sr：0.04-0.06%, SiBN fiber：2.1-2.5%, surplus Al；
Ball milling：Residual components in aluminium alloy stock and premixing Al alloy powder are placed on planetary ball mill the machine that carries out
Tool alloying；
Isostatic cool pressing：Al alloy powder after ball milling is subjected to isostatic cool pressing into prefabricated blank；The pressure of the isostatic cool pressing
For 150-155MPa, time 2-3min；
Sintering：Prefabricated blank is sintered in a nitrogen atmosphere；Quality is also added into sintering process as aluminium alloy quality
The sintering aid of 1.1-1.2%, the sintering aid are Al2O3；Sintering temperature is 620-630 DEG C, time 2-2.1h；
Hot extrusion：Sintered prefabricated blank extrusion forming is obtained into high intensity guider blank；The extrusion ratio of the hot extrusion
For 20-21, extrusion temperature is 450-460 DEG C；
Heat treatment：High intensity guider blank is carried out to be heat-treated to obtain high intensity guider semi-finished product；The heat treatment tool
Body includes the following steps：Solution treatment 3-4h at being 490-500 DEG C in temperature, water cooling, at being 180-190 DEG C in temperature during timeliness
Effect processing 8-9h；
Chemical Ni-P plating transition zone：Using the method for chemical plating in high intensity guider surface of semi-finished chemical Ni-P plating mistake
Cross layer；
MgCoCrAlYSi coatings coat：Using electro beam physics vapour deposition method in high intensity guider surface of semi-finished
Coating MgCoCrAlYSi coatings obtain high intensity and are oriented to finished product；The target that the MgCoCrAlYSi coatings use includes following quality
The ingredient of percentage：Mg：20-22%, Co：22-23%, Cr：20-22%, Al：12-14%, Y：1.2-1.5%, surplus are
Si。
Embodiment 3
Premix：Si, Al in aluminium alloy stock and quality is dry-mixed for the ethyl alcohol progress of aluminium alloy quality 0.85-0.95%
Al alloy powder must be pre-mixed；The aluminum alloy materials specifically include the ingredient of following mass percent：Si：0.45-0.6%, Fe：
0.55-0.65%, Cu：0.1-0.2%, Mg：0.85-0.95%, Zn：0.15-0.2%, Mn：0.18-0.25%, Ti：0.15-
0.25%, Be：0.01-0.02%, Sr：0.04-0.06%, SiBN fiber：2.1-2.5%, surplus Al；
Ball milling：Residual components in aluminium alloy stock and premixing Al alloy powder are placed on planetary ball mill the machine that carries out
Tool alloying；
Isostatic cool pressing：Al alloy powder after ball milling is subjected to isostatic cool pressing into prefabricated blank；The pressure of the isostatic cool pressing
For 150-155MPa, time 2-3min；
Sintering：Prefabricated blank is sintered in a nitrogen atmosphere；Quality is also added into sintering process as aluminium alloy quality
The sintering aid of 1.1-1.2%, the sintering aid are Al2O3；Sintering temperature is 620-630 DEG C, time 2-2.1h；
Hot extrusion：Sintered prefabricated blank extrusion forming is obtained into high intensity guider blank；The extrusion ratio of the hot extrusion
For 20-21, extrusion temperature is 450-460 DEG C；
Heat treatment：High intensity guider blank is carried out to be heat-treated to obtain high intensity guider semi-finished product；The heat treatment tool
Body includes the following steps：Solution treatment 3-4h at being 490-500 DEG C in temperature, water cooling, at being 180-190 DEG C in temperature during timeliness
Effect processing 8-9h；
Chemical Ni-P plating transition zone：Using the method for chemical plating in high intensity guider surface of semi-finished chemical Ni-P plating mistake
Cross layer；
MgCoCrAlYSi coatings coat：Using electro beam physics vapour deposition method in high intensity guider surface of semi-finished
Coating MgCoCrAlYSi coatings obtain high intensity and are oriented to finished product；The target that the MgCoCrAlYSi coatings use includes following quality
The ingredient of percentage：Mg：20-22%, Co：22-23%, Cr：20-22%, Al：12-14%, Y：1.2-1.5%, surplus are
Si。
Embodiment 4
Premix：Si, Al in aluminium alloy stock and quality is dry-mixed for the ethyl alcohol progress of aluminium alloy quality 0.85-0.95%
Al alloy powder must be pre-mixed；The aluminum alloy materials specifically include the ingredient of following mass percent：Si：0.45-0.6%, Fe：
0.55-0.65%, Cu：0.1-0.2%, Mg：0.85-0.95%, Zn：0.15-0.2%, Mn：0.18-0.25%, Ti：0.15-
0.25%, Be：0.01-0.02%, Sr：0.04-0.06%, SiBN fiber：2.1-2.5%, surplus Al；
Ball milling：Residual components in aluminium alloy stock and premixing Al alloy powder are placed on planetary ball mill the machine that carries out
Tool alloying；
Isostatic cool pressing：Al alloy powder after ball milling is subjected to isostatic cool pressing into prefabricated blank；The pressure of the isostatic cool pressing
For 150-155MPa, time 2-3min；
Sintering：Prefabricated blank is sintered in a nitrogen atmosphere；Quality is also added into sintering process as aluminium alloy quality
The sintering aid of 1.1-1.2%, the sintering aid are Al2O3；Sintering temperature is 620-630 DEG C, time 2-2.1h；
Hot extrusion：Sintered prefabricated blank extrusion forming is obtained into high intensity guider blank；The extrusion ratio of the hot extrusion
For 20-21, extrusion temperature is 450-460 DEG C；
Heat treatment：High intensity guider blank is carried out to be heat-treated to obtain high intensity guider semi-finished product；The heat treatment tool
Body includes the following steps：Solution treatment 3-4h at being 490-500 DEG C in temperature, water cooling, at being 180-190 DEG C in temperature during timeliness
Effect processing 8-9h；
Chemical Ni-P plating transition zone：Using the method for chemical plating in high intensity guider surface of semi-finished chemical Ni-P plating mistake
Cross layer；
MgCoCrAlYSi coatings coat：Using electro beam physics vapour deposition method in high intensity guider surface of semi-finished
Coating MgCoCrAlYSi coatings obtain high intensity and are oriented to finished product；The target that the MgCoCrAlYSi coatings use includes following quality
The ingredient of percentage：Mg：20-22%, Co：22-23%, Cr：20-22%, Al：12-14%, Y：1.2-1.5%, surplus are
Si。
Embodiment 5
Premix：Si, Al in aluminium alloy stock and quality is dry-mixed for the ethyl alcohol progress of aluminium alloy quality 0.85-0.95%
Al alloy powder must be pre-mixed；The aluminum alloy materials specifically include the ingredient of following mass percent：Si：0.45-0.6%, Fe：
0.55-0.65%, Cu：0.1-0.2%, Mg：0.85-0.95%, Zn：0.15-0.2%, Mn：0.18-0.25%, Ti：0.15-
0.25%, Be：0.01-0.02%, Sr：0.04-0.06%, SiBN fiber：2.1-2.5%, surplus Al；
Ball milling：Residual components in aluminium alloy stock and premixing Al alloy powder are placed on planetary ball mill the machine that carries out
Tool alloying；
Isostatic cool pressing：Al alloy powder after ball milling is subjected to isostatic cool pressing into prefabricated blank；The pressure of the isostatic cool pressing
For 150-155MPa, time 2-3min；
Sintering：Prefabricated blank is sintered in a nitrogen atmosphere；Quality is also added into sintering process as aluminium alloy quality
The sintering aid of 1.1-1.2%, the sintering aid are Al2O3；Sintering temperature is 620-630 DEG C, time 2-2.1h；
Hot extrusion：Sintered prefabricated blank extrusion forming is obtained into high intensity guider blank；The extrusion ratio of the hot extrusion
For 20-21, extrusion temperature is 450-460 DEG C；
Heat treatment：High intensity guider blank is carried out to be heat-treated to obtain high intensity guider semi-finished product；The heat treatment tool
Body includes the following steps：Solution treatment 3-4h at being 490-500 DEG C in temperature, water cooling, at being 180-190 DEG C in temperature during timeliness
Effect processing 8-9h；
Chemical Ni-P plating transition zone：Using the method for chemical plating in high intensity guider surface of semi-finished chemical Ni-P plating mistake
Cross layer；
MgCoCrAlYSi coatings coat：Using electro beam physics vapour deposition method in high intensity guider surface of semi-finished
Coating MgCoCrAlYSi coatings obtain high intensity and are oriented to finished product；The target that the MgCoCrAlYSi coatings use includes following quality
The ingredient of percentage：Mg：20-22%, Co：22-23%, Cr：20-22%, Al：12-14%, Y：1.2-1.5%, surplus are
Si。
Embodiment 6
With differing only in for embodiment 3, the embodiment high intensity guider is no in preparation process to add in agglutinant,
Other are same as Example 3, and details are not described herein again.
Embodiment 7
With differing only in for embodiment 3, which uses common target system in preparation process
Standby MgCoCrAlYSi coatings, other are same as Example 3, and details are not described herein again.
Comparative example 1
With differing only in for embodiment 3, which is prepared using common commercially available aluminum alloy materials
It forms, other are same as Example 3, and details are not described herein again.
Comparative example 2
With differing only in for embodiment 3, without adding in SiBN fibers in the comparative example high intensity guider raw material, other
Same as Example 3, details are not described herein again.
Comparative example 3
With differing only in for embodiment 3, without adding in Be elements and Sr members in the comparative example high intensity guider raw material
Element, other are same as Example 3, and details are not described herein again.
Comparative example 4
With differing only in for embodiment 3, which coats common coating, other and implementation
Example 3 is identical, and details are not described herein again.
Comparative example 5
With differing only in for embodiment 3, which does not coat MgCoCrAlYSi paintings
Layer, other are same as Example 3, and details are not described herein again.
Comparative example 6
With differing only in for embodiment 3, which does not coat Ni-P transition zones, other
Same as Example 3, details are not described herein again.
Comparative example 7
With differing only in for embodiment 3, which does not coat any coating, other with
Embodiment 3 is identical, and details are not described herein again.
The high intensity guider of embodiment 1-7 comparative examples 1-7 is subjected to performance detection, the results are shown in Table 1：
Table 1：The high intensity guider performance test results of embodiment 1-7 and comparative example 1-7
In conclusion high intensity guider of the present invention is made of aluminum alloy materials, and just added in aluminum alloy materials
SiBN fibers, can ensure made of the mechanical properties strength of high intensity guider further improve；Meanwhile the present invention is high-strength
Guider is spent by rational preparation method, and sintering aid is added in preparation process, can ensure that manufactured high intensity is led
It is good to device intensity height, uniformity.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (9)
1. a kind of high intensity guider, which is characterized in that the high intensity guider is made of aluminum alloy materials, the aluminium alloy
Material specifically includes the ingredient of following mass percent：Si：0.45-0.6%, Fe：0.55-0.65%, Cu：0.1-0.2%,
Mg：0.85-0.95%, Zn：0.15-0.2%, Mn：0.18-0.25%, Ti：0.15-0.25%, Be：0.01-0.02%, Sr：
0.04-0.06%, SiBN fiber：2.1-2.5%, surplus Al；The aluminum alloy surface be coated with Ni-P transition zones and
MgCoCrAlYSi coatings.
2. high intensity guider according to claim 1, which is characterized in that the sum of mass percent of the Be and Sr is
0.04-0.07%.
3. a kind of preparation method of high intensity guider as described in claim 1, which is characterized in that the preparation method is specific
Include the following steps：
Premix：Si, Al in aluminium alloy stock and quality are subjected to dry-mixed obtain in advance for the ethyl alcohol of aluminium alloy quality 0.85-0.95%
Mix Al alloy powder；
Ball milling：Residual components in aluminium alloy stock are placed in premixing Al alloy powder on planetary ball mill and carry out mechanical conjunction
Aurification；
Isostatic cool pressing：Al alloy powder after ball milling is subjected to isostatic cool pressing into prefabricated blank；
Sintering：Prefabricated blank is sintered in a nitrogen atmosphere；
Hot extrusion：Sintered prefabricated blank extrusion forming is obtained into high intensity guider blank；
Heat treatment：High intensity guider blank is carried out to be heat-treated to obtain high intensity guider semi-finished product；
Chemical Ni-P plating transition zone：Using the method for chemical plating in high intensity guider surface of semi-finished chemical Ni-P plating transition
Layer；
MgCoCrAlYSi coatings coat：It is coated using electro beam physics vapour deposition method in high intensity guider surface of semi-finished
MgCoCrAlYSi coatings obtain high intensity and are oriented to finished product.
4. the preparation method of a kind of high intensity guider according to claim 3, which is characterized in that the isostatic cool pressing
Pressure is 150-155MPa, time 2-3min.
5. the preparation method of a kind of high intensity guider according to claim 3, which is characterized in that also add in sintering process
The sintering aid that quality is aluminium alloy quality 1.1-1.2% is entered, the sintering aid is Al2O3。
6. the preparation method of a kind of high intensity guider according to claim 3, which is characterized in that the sintering temperature is
620-630 DEG C, time 2-2.1h.
7. the preparation method of a kind of high intensity guider according to claim 3, which is characterized in that the hot extrusion is squeezed
Pressure ratio is 20-21, and extrusion temperature is 450-460 DEG C.
8. the preparation method of a kind of high intensity guider according to claim 3, which is characterized in that the heat treatment is specific
Include the following steps：Solution treatment 3-4h at being 490-500 DEG C in temperature, water cooling, timeliness timeliness at being 180-190 DEG C in temperature
Handle 8-9h.
9. the preparation method of a kind of high intensity guider according to claim 3, which is characterized in that described
The target that MgCoCrAlYSi coatings use includes the ingredient of following mass percent：Mg：20-22%, Co：22-23%, Cr：
20-22%, Al：12-14%, Y：1.2-1.5%, surplus Si.
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| CN115491551A (en) * | 2022-09-21 | 2022-12-20 | 苏州凯宥电子科技有限公司 | Aluminum alloy casting and surface treatment method thereof |
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