CN107502828A - A kind of high-wear-resistant alloy material and preparation method thereof - Google Patents
A kind of high-wear-resistant alloy material and preparation method thereof Download PDFInfo
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0052—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only carbides
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Abstract
A kind of high-wear-resistant alloy material and preparation method thereof, by mass percentage including Al：5 ~ 8%, Si：0.6 ~ 0.8%, Mn：0.4 ~ 0.6%, Cr：1.0 ~ 1.2%, Mo：0.2 ~ 0.22%, Ti：0.008 ~ 0.032%, Zr：0.018 ~ 0.02%, Cu：0.01 ~ 0.04%, Re：0.06 ~ 0.08%, carbide：10 ~ 20%, surplus Fe；Its preparation method is as follows：Dispensing, raw material baking, preliminary melting, liquid material break into fine powder shape, refining, heat treatment, silico-aluminum jet deposition, obtained high-wear-resistant alloy material with High-Pressure Water.The present invention is by the way that raw material is pre-processed and the jet deposition sial wear-resistant coating on alloy material matrix, to reach reducing collisions material to alloy material surface plow phenomenon, suppression crack initiation and propagation, the purpose that fatigue flake forms, improves toughness and wearability is reduced.
Description
Technical field
The present invention relates to high-abrasive material field, is specifically related to a kind of high-wear-resistant alloy material and preparation method thereof.
Background technology
Metal material refers to using metal or alloy as matrix, and the composite wood with fiber, whisker, particle etc. for reinforcement
Material, by the difference of parent metal used, use temperature range is 350 ~ 1200 DEG C, and alloy material has easy-formation, easy pricker
The features such as weldering, Cutting free, while also there is high intensity and hardness and excellent heat-resisting, decay resistance, therefore often by conduct
High-abrasive material be used for exist abrasion occasion, as in mining machinery, engineering machinery powder apparatus with soil sand, ore, rock, cement
Deng the machine components of material interaction.The working environment of high-abrasive material is extremely complex, it is necessary in heavy duty, impact, burn into powder
Worked under the conditions of the bad working environments such as dirt, steam, dregs, wear resistant alloy material is worn by diversified forms at work, in work
When making that initial stage, its surface configuration did not changed, mainly by brinelling, material hits metal surface with positive force and produces modeling
Property deformation and impact crater, after its work surface wear is cambered surface, its surface stressing conditions is changed, now except by thing
Expect outside brinelling, plow caused by also being washed away by material to it and crackle peel off.It is accordingly, it is desirable to provide a kind of high resistance to
Alloy material and preparation method thereof is ground, to mitigate plow phenomenon of the material to alloy surface, suppresses the germinating and extension of crackle, subtracts
The formation of few fatigue flake, improves its toughness and wearability.
The content of the invention
The purpose of invention is deficiency in order to solve the above-mentioned technical problem, there is provided a kind of high-wear-resistant alloy material and its preparation
Method, by the way that raw material is pre-processed and the jet deposition sial wear-resistant coating on alloy material matrix, with reducing collisions thing
Expect the plow phenomenon to alloy material surface, suppress the germinating and extension of crackle, reduce the formation of fatigue flake, improve its toughness
And wearability.
The present invention is for the insufficient technical scheme that uses for solving above-mentioned technical problem：A kind of high-wear-resistant alloy material,
It is made up of by mass percentage following chemical composition：Al：5 ~ 8%, Si：0.6 ~ 0.8%, Mn：0.4 ~ 0.6%, Cr：1.0~
1.2%th, Mo：0.2 ~ 0.22%, Ti：0.008 ~ 0.032%, Zr：0.018 ~ 0.02%, Cu：0.01 ~ 0.04%, Re：0.06~
0.08%, carbide：10 ~ 20%, surplus is Fe and inevitable impurity element.
Preferably, described carbide is the one or more in tungsten carbide, carbonization nickel, titanium carbide.
A kind of preparation method of high-wear-resistant alloy material, comprises the following steps：
（1）According to above-mentioned mass percent dispensing；
（2）By step（1）Al, Si, Mn, Cr, Mo, Ti, Zr, Cu, Re, the Fe and carbide prepared is put into baking oven, 350
~ 400 DEG C of 3 ~ 4h of baking；
（3）By step（2）Mn, Cr, Mo, Ti, Zr, Cu, Re, Fe and carbide input Medium frequency induction smelting furnace after baking
In, smelting furnace is warming up to 1250 ~ 1300 DEG C in 2.5 ~ 3h, carries out melting and material, by raw material by it is solid state transformed be liquid
State material；
（4）By step（3）In liquid material pour into intermediate bin, and the liquid material that flowed out in eye will be leaked from intermediate bin with High-Pressure Water
Tiny powdery granule is broken into, powder-material is made after crossing 200 mesh sieves, it is standby；
（5）By step（4）In powder-material input Medium frequency induction smelting furnace in, temperature is increased to 700 ~ 800 DEG C, into stove lead to
Enter argon gas and 50 ~ 60min is refined to melt, liquid level scum silica frost is removed after standing 20 ~ 30min；
（6）By step（5）In melt be cast into ingot blank, be placed in annealing furnace and anneal after being cooled to 250 ~ 300 DEG C；Again will annealing
Less than 200 DEG C of ingot blank is cooled to afterwards is placed in glowing furnace carry out Water Quenching；The ingot blank after quenching is finally put into high temperature furnace
Interior carry out temper, it is standby；
（7）By step（2）In Al, Si input Medium frequency induction smelting furnace after baking, sial is prepared at a temperature of 1400 ~ 1420 DEG C
Alloy melt, silumin alloy melt is ejected into atomization gas by aerodynamic atomization nozzle, the alloy melt of outflow is sprayed
Shaping is penetrated, and deposits to step（6）In temper after ingot blank on, you can high-wear-resistant alloy material is made.
Preferably, described step（3）In, the AD powder of compound gross weight 0.5 ~ 0.8% is also added into, liquation is carried out
Deoxidation, desulfurization, take gas, decontamination.
Preferably, described step（4）In, the hydraulic pressure of High-Pressure Water is 0.2 ~ 0.25MPa, and the leakage eye size of intermediate bin is
8~10mm。
Preferably, described step（4）In, the powder-material crossed after 200 mesh sieves also needs to be put into baking oven, at 350 ~ 400 DEG C
Toast 3 ~ 4h.
Preferably, described step（6）The annealing process of middle ingot blank is：In the annealing furnace insulation 4 that temperature is 850 ~ 890 DEG C
~ 5h, air cooling of being come out of the stove after cooling to 380 ~ 400 DEG C with the furnace, cooling rate≤1.5 DEG C/min；The quenching technical of ingot blank is：In temperature
To be incubated Water Quenching after 2 ~ 2.5h in 900 ~ 950 DEG C of glowing furnaces；The tempering process of ingot blank is：It it is 180 ~ 200 DEG C in temperature
2 ~ 3h of high temperature furnace inside holding after come out of the stove air cooling.
Preferably, described step（7）It is middle injection shaping technological parameter be：Atomization gas is nitrogen, and atomizing pressure is
0.65 ~ 0.7MPa, alloy melt temperature are 1400 ~ 1420 DEG C, ingot blank relative to the deposited distance of aerodynamic atomization nozzle for 400 ~
500mm。
Preferably, described step（7）The thickness of the sial sedimentary of middle surface of ingot blank is 3 ~ 5mm.
The beneficial effects of the invention are as follows：
A kind of high-wear-resistant alloy material of the present invention and preparation method thereof, first, in raw material selection, from Cr as anti-
Corrosion component, from Mn as mobility, the appropriate composition for reducing temperature is improved, add a certain amount of carbide and improve wearability,
And from Al, Si as matrix outer layer enhancing composition, can improve the bending strength of alloy material, compression strength, toughness,
Erosion resistant ability, change the wear-resisting low present situation of workpiece in existing machinery manufacture；
A kind of high-wear-resistant alloy material of the present invention and preparation method thereof, before finely smelt, raw material is carried out
Pre-process three times：Moisture is excluded first, first various raw material are put into baking oven and carry out baking, reduces the influence to smelting process；
Second, the raw material after first time is pre-processed first is put into Medium frequency induction smelting furnace and smelted for the first time, and smelted for the first time
During add AD powder, deoxidation, desulfurization are carried out to the high temperature solution of formation, takes gas, decontamination；Third, first smelting is finished
High-temperature fusant will leak the liquid material that flows out in eye from intermediate bin with High-Pressure Water and break into tiny powdery granule, chilling can be real
The quick forming core of existing alloy melt and growth, acquisition degree of segregation is small, alloy phase solid solubility is high, the uniform fine microstructures of composition
Rapid solidification structure, the metastable structure different from equilibrium freezing tissue is obtained, improve the toughness and wearability of high-abrasive material；
A kind of high-wear-resistant alloy material of the present invention and preparation method thereof, in fine smelting process, passes through jet deposition
Forming method forms silumin protective layer in billet surface, and the tissue signature of silumin is：It is dispersed with aluminum substrate
A large amount of granular phases（Silicon phase, intermetallic compound）, it is organized as Dispersed precipitate on typical soft matrix and substantial amounts of Hard Inclusion phase,
Spray deposition processing improves the degree of supersaturation of alloying element in the base, enhances matrix, and the tiny Hard Inclusion of disperse is relative
Aluminum substrate plays a part of dispersion-strengtherning or precipitation strength, and the raising of matrix strength adds the drag to abrasive dust grinding, is
Preferable high-abrasive material；And the abrasional behavior of alloy material depends on the microstructure of alloy, jet deposition formation method is utilized
The silumin of preparation, the tissue of alloy is significantly refined, made Hard Inclusion phase（Silicon phase）With fine particle shape Dispersed precipitate
On aluminum substrate, in friction process, these Hard Inclusions are mutually first with to mill material and bearing most of load and friction
Effect, avoids directly contacting for matrix phase and couple, and ditch dug with a plow is shallow during abrasion, does not kill, though what partial exfoliation got off
Ablation of the tiny abrasive particle to alloy material can also weaken compared to large-sized abrasive particle, and can play solid lubrication,
Reduce the coefficient of sliding friction, increase substantially alloy wear-resisting performance.
In summary, the high-wear-resistant alloy material that prepared by the present invention has very high intensity, wearability, impact resistance, can
It is widely used for the more severe occasion of the working environments such as mine, machinery, water power, coal, harbour, metallurgy.
Embodiment
With reference to specific embodiment, the present invention is further elaborated.Its specific embodiment is：
A kind of high-wear-resistant alloy material, is made up of following chemical composition by mass percentage：Al：5 ~ 8%, Si：0.6 ~ 0.8%,
Mn：0.4 ~ 0.6%, Cr：1.0 ~ 1.2%, Mo：0.2 ~ 0.22%, Ti：0.008 ~ 0.032%, Zr：0.018 ~ 0.02%, Cu：
0.01 ~ 0.04%, Re：0.06 ~ 0.08%, carbide：10 ~ 20%, surplus is Fe and inevitable impurity element.
Preferably, described carbide is the one or more in tungsten carbide, carbonization nickel, titanium carbide.
The function analysis of the chemical composition of the high-wear-resistant alloy material of the present invention is as follows：
Carbon plays solution strengthening in the alloy, can improve the quenching degree of ferroalloy materials, influences its microscopic structure, is to determine
The element of its hardness and toughness most critical；Manganese, chromium, molybdenum, copper can significantly improve the quenching degree, wearability and corrosion resistance of steel,
Temper brittleness is reduced, while there is certain solution strengthening effect, improves the resistance for delayed fracture of alloy material；Zirconium is strong carbon
Compound formation element, adding a small amount of Zr plays the role of degassing, purification and crystal grain thinning, is advantageous to improve the cryogenic property of alloy；
Aluminium and silicon then form silumin using jet deposition formation method, have significantly refined the tissue of alloy, have made Hard Inclusion phase
（Silicon phase）With fine particle shape Dispersed precipitate on matrix, in friction process, these Hard Inclusions to mill material mutually first with connecing
Touch and bear most of load and rubbing action, avoid matrix phase and contacted with the direct of couple, improve the wear-resisting of alloy material
Property.
A kind of preparation method of high-wear-resistant alloy material, comprises the following steps：
（1）According to above-mentioned mass percent dispensing；
（2）By step（1）Al, Si, Mn, Cr, Mo, Ti, Zr, Cu, Re, the Fe and carbide prepared is put into baking oven, 350
~ 400 DEG C of 3 ~ 4h of baking；
（3）By step（2）Mn, Cr, Mo, Ti, Zr, Cu, Re, Fe and carbide input Medium frequency induction smelting furnace after baking
In, smelting furnace is warming up to 1250 ~ 1300 DEG C in 2.5 ~ 3h, carries out melting and material, by raw material by it is solid state transformed be liquid
State material；
（4）By step（3）In liquid material pour into intermediate bin, and the liquid material that flowed out in eye will be leaked from intermediate bin with High-Pressure Water
Tiny powdery granule is broken into, powder-material is made after crossing 200 mesh sieves, it is standby；
（5）By step（4）In powder-material input Medium frequency induction smelting furnace in, temperature is increased to 700 ~ 800 DEG C, into stove lead to
Enter argon gas and 50 ~ 60min is refined to melt, liquid level scum silica frost is removed after standing 20 ~ 30min；
（6）By step（5）In melt be cast into ingot blank, be placed in annealing furnace and anneal after being cooled to 250 ~ 300 DEG C；Again will annealing
Less than 200 DEG C of ingot blank is cooled to afterwards is placed in glowing furnace carry out Water Quenching；The ingot blank after quenching is finally put into high temperature furnace
Interior carry out temper, it is standby；
（7）By step（2）In Al, Si input Medium frequency induction smelting furnace after baking, sial is prepared at a temperature of 1400 ~ 1420 DEG C
Alloy melt, silumin alloy melt is ejected into atomization gas by aerodynamic atomization nozzle, the alloy melt of outflow is sprayed
Shaping is penetrated, and deposits to step（6）In temper after ingot blank on, you can high-wear-resistant alloy material is made.
Preferably, described step（3）In, the AD powder of compound gross weight 0.5 ~ 0.8% is also added into, liquation is carried out
Deoxidation, desulfurization, take gas, decontamination.
Preferably, described step（4）In, the hydraulic pressure of High-Pressure Water is 0.2 ~ 0.25MPa, and the leakage eye size of intermediate bin is
8~10mm。
Preferably, described step（4）In, the powder-material crossed after 200 mesh sieves also needs to be put into baking oven, at 350 ~ 400 DEG C
Toast 3 ~ 4h.
Preferably, described step（6）The annealing process of middle ingot blank is：In the annealing furnace insulation 4 that temperature is 850 ~ 890 DEG C
~ 5h, air cooling of being come out of the stove after cooling to 380 ~ 400 DEG C with the furnace, cooling rate≤1.5 DEG C/min；The quenching technical of ingot blank is：In temperature
To be incubated Water Quenching after 2 ~ 2.5h in 900 ~ 950 DEG C of glowing furnaces；The tempering process of ingot blank is：It it is 180 ~ 200 DEG C in temperature
2 ~ 3h of high temperature furnace inside holding after come out of the stove air cooling.
Preferably, described step（7）It is middle injection shaping technological parameter be：Atomization gas is nitrogen, and atomizing pressure is
0.65 ~ 0.7MPa, alloy melt temperature are 1400 ~ 1420 DEG C, ingot blank relative to the deposited distance of aerodynamic atomization nozzle for 400 ~
500mm。
Preferably, described step（7）The thickness of the sial sedimentary of middle surface of ingot blank is 3 ~ 5mm.
Step（6）In, heat treatment process, the casting hardness after cast molding is higher, in order to eliminate casting internal stress, reduces
Hardness and improvement machinability, full annealing processing need to be carried out to casting；Quenching is to improve the conventional process of material hardness, is quenched
Tissue after fire is mainly martensite or martensite adds retained austenite, and martensite and retained austenite are all metastable at room temperature
Phase, carbon content is in hypersaturated state in martensite, and retained austenite is in supercooled state, and their all oriented ferrites add carburizing
The stable state conversion trend of body, but this conversion is kinetically needing certain temperature and time condition, therefore quenching part
It must immediately be tempered, to eliminate or reduce internal stress, prevent from deforming and ftracture, and obtain the performance of stable tissue and needs.
Step（7）In, Models of Spray Deposition, sedimentary includes the Plastic Flow of material in the densification process of blank surface
With two processes of diffusion, under certain pressure effect, the crystal grain of sedimentary rearranges, and plasticity stream preferably mutually occurs for plasticity
It is dynamic, fill hole；Good metallurgical bond is produced between phase in material or between particle, it is necessary to have and sufficiently diffuse through
Journey, to different densification process, the specific effect of diffusion is different, temperature, pressure or stress state, time, crystallite dimension etc.
Important influence all is produced to the diffusion process of material；Therefore, the sintering temperature of silico-aluminum is 1400 ~ 1420 in the present invention
DEG C, the jet atomization pressure of melt is 0.65 ~ 0.7MPa.
Embodiment 1
A kind of a kind of high-wear-resistant alloy material, high-wear-resistant alloy material, is made up of following chemical composition by mass percentage：Al：
5%th, Si：0.6%th, Mn：0.4%th, Cr：1.0%th, Mo：0.2%th, Ti：0.008%th, Zr：0.018%th, Cu：0.01%th, Re：
0.06%%, carbide：10%th, surplus is Fe and inevitable impurity element.
Preferably, described carbide is the one or more in tungsten carbide, carbonization nickel, titanium carbide.
A kind of preparation method of high-wear-resistant alloy material, comprises the following steps：
（1）According to above-mentioned mass percent dispensing；
（2）By step（1）Al, Si, Mn, Cr, Mo, Ti, Zr, Cu, Re, the Fe and carbide prepared is put into baking oven, 350
DEG C baking 3h；
（3）By step（2）Mn, Cr, Mo, Ti, Zr, Cu, Re, Fe and carbide input Medium frequency induction smelting furnace after baking
In, smelting furnace is warming up to 1250 DEG C in 2.5h, carries out melting and material, by raw material by it is solid state transformed be liquid material；
（4）By step（3）In liquid material pour into intermediate bin, and the liquid material that flowed out in eye will be leaked from intermediate bin with High-Pressure Water
Tiny powdery granule is broken into, powder-material is made after crossing 200 mesh sieves, it is standby；
（5）By step（4）In powder-material input Medium frequency induction smelting furnace in, temperature is increased to 700 DEG C, argon is passed through into stove
Gas simultaneously refines 50min to melt, and liquid level scum silica frost is removed after standing 20min；
（6）By step（5）In melt be cast into ingot blank, be placed in annealing furnace and anneal after being cooled to 250 DEG C；It is cold after annealing again
But it is placed in less than 200 DEG C of ingot blank in glowing furnace and carries out Water Quenching；Finally the ingot blank after quenching is put into high temperature furnace
Row temper, it is standby；
（7）By step（2）In Al, Si input Medium frequency induction smelting furnace after baking, silico-aluminum is prepared at a temperature of 1400 DEG C
Melt, silumin alloy melt is ejected into atomization gas by aerodynamic atomization nozzle, the alloy melt of outflow is injected into
Shape, and deposit to step（6）In temper after ingot blank on, you can high-wear-resistant alloy material is made.
Preferably, described step（3）In, be also added into the AD powder of compound gross weight 0.5%, liquation is carried out deoxidation,
Desulfurization, take gas, decontamination.
Preferably, described step（4）In, the hydraulic pressure of High-Pressure Water is 0.2MPa, and the leakage eye size of intermediate bin is 8mm.
Preferably, described step（4）In, the powder-material crossed after 200 mesh sieves also needs to be put into baking oven, in 350 DEG C of bakings
3h。
Preferably, described step（6）The annealing process of middle ingot blank is：4h is incubated in the annealing furnace that temperature is 850 DEG C, with
Stove is come out of the stove air cooling after being cooled to 380 DEG C, cooling rate≤1.5 DEG C/min；The quenching technical of ingot blank is：It it is 900 DEG C in temperature
Water Quenching after insulation 2h in glowing furnace；The tempering process of ingot blank is：Come out of the stove after temperature is 180 DEG C of high temperature furnace inside holding 2h
Air cooling.
Preferably, described step（7）It is middle injection shaping technological parameter be：Atomization gas is nitrogen, and atomizing pressure is
0.65MPa, alloy melt temperature are 1400 DEG C, and ingot blank is 400mm relative to the deposited distance of aerodynamic atomization nozzle.
Preferably, described step（7）The thickness of the sial sedimentary of middle surface of ingot blank is 3mm.
Embodiment 2
A kind of high-wear-resistant alloy material, is made up of following chemical composition by mass percentage：Al：6%th, Si：0.7%th, Mn：
0.5%th, Cr：1.1%th, Mo：0.21%th, Ti：0.026%th, Zr：0.019%th, Cu：0.03%th, Re：0.07%, carbide：
15%th, surplus is Fe and inevitable impurity element.
Preferably, described carbide is the one or more in tungsten carbide, carbonization nickel, titanium carbide.
A kind of preparation method of high-wear-resistant alloy material, comprises the following steps：
（1）According to above-mentioned mass percent dispensing；
（2）By step（1）Al, Si, Mn, Cr, Mo, Ti, Zr, Cu, Re, the Fe and carbide prepared is put into baking oven, 375
DEG C baking 3.5h；
（3）By step（2）Mn, Cr, Mo, Ti, Zr, Cu, Re, Fe and carbide input Medium frequency induction smelting furnace after baking
In, smelting furnace is warming up to 1280 DEG C in 2.7h, carries out melting and material, by raw material by it is solid state transformed be liquid material；
（4）By step（3）In liquid material pour into intermediate bin, and the liquid material that flowed out in eye will be leaked from intermediate bin with High-Pressure Water
Tiny powdery granule is broken into, powder-material is made after crossing 200 mesh sieves, it is standby；
（5）By step（4）In powder-material input Medium frequency induction smelting furnace in, temperature is increased to 750 DEG C, argon is passed through into stove
Gas simultaneously refines 55min to melt, and liquid level scum silica frost is removed after standing 25min；
（6）By step（5）In melt be cast into ingot blank, be placed in annealing furnace and anneal after being cooled to 275 DEG C；It is cold after annealing again
But it is placed in less than 200 DEG C of ingot blank in glowing furnace and carries out Water Quenching；Finally the ingot blank after quenching is put into high temperature furnace
Row temper, it is standby；
（7）By step（2）In Al, Si input Medium frequency induction smelting furnace after baking, silico-aluminum is prepared at a temperature of 1410 DEG C
Melt, silumin alloy melt is ejected into atomization gas by aerodynamic atomization nozzle, the alloy melt of outflow is injected into
Shape, and deposit to step（6）In temper after ingot blank on, you can high-wear-resistant alloy material is made.
Preferably, described step（3）In, be also added into the AD powder of compound gross weight 0.7%, liquation is carried out deoxidation,
Desulfurization, take gas, decontamination.
Preferably, described step（4）In, the hydraulic pressure of High-Pressure Water is 0.22MPa, and the leakage eye size of intermediate bin is 9mm.
Preferably, described step（4）In, the powder-material crossed after 200 mesh sieves also needs to be put into baking oven, in 375 DEG C of bakings
3.5h。
Preferably, described step（6）The annealing process of middle ingot blank is：4.5h is incubated in the annealing furnace that temperature is 875 DEG C,
Come out of the stove after cooling to 390 DEG C with the furnace air cooling, cooling rate≤1.5 DEG C/min；The quenching technical of ingot blank is：It it is 925 DEG C in temperature
Glowing furnace in be incubated 2.25h after Water Quenching；The tempering process of ingot blank is：In the high temperature furnace inside holding that temperature is 190 DEG C
Come out of the stove after 2.5h air cooling.
Preferably, described step（7）It is middle injection shaping technological parameter be：Atomization gas is nitrogen, and atomizing pressure is
0.68MPa, alloy melt temperature are 1410 DEG C, and ingot blank is 450mm relative to the deposited distance of aerodynamic atomization nozzle.
Preferably, described step（7）The thickness of the sial sedimentary of middle surface of ingot blank is 4mm.
Embodiment 3
A kind of high-wear-resistant alloy material, is made up of following chemical composition by mass percentage：Al：8%th, Si：0.8%th, Mn：
0.6%th, Cr：1.2%th, Mo：0.22%th, Ti：0.032%th, Zr：0.02%th, Cu：0.04%th, Re：0.08%, carbide：
20%th, surplus is Fe and inevitable impurity element.
Preferably, described carbide is the one or more in tungsten carbide, carbonization nickel, titanium carbide.
A kind of preparation method of high-wear-resistant alloy material, comprises the following steps：
（1）According to above-mentioned mass percent dispensing；
（2）By step（1）Al, Si, Mn, Cr, Mo, Ti, Zr, Cu, Re, the Fe and carbide prepared is put into baking oven, 400
DEG C baking 4h；
（3）By step（2）Mn, Cr, Mo, Ti, Zr, Cu, Re, Fe and carbide input Medium frequency induction smelting furnace after baking
In, smelting furnace is warming up to 1300 DEG C in 3h, carries out melting and material, by raw material by it is solid state transformed be liquid material；
（4）By step（3）In liquid material pour into intermediate bin, and the liquid material that flowed out in eye will be leaked from intermediate bin with High-Pressure Water
Tiny powdery granule is broken into, powder-material is made after crossing 200 mesh sieves, it is standby；
（5）By step（4）In powder-material input Medium frequency induction smelting furnace in, temperature is increased to 800 DEG C, argon is passed through into stove
Gas simultaneously refines 60min to melt, and liquid level scum silica frost is removed after standing 30min；
（6）By step（5）In melt be cast into ingot blank, be placed in annealing furnace and anneal after being cooled to 300 DEG C；It is cold after annealing again
But it is placed in less than 200 DEG C of ingot blank in glowing furnace and carries out Water Quenching；Finally the ingot blank after quenching is put into high temperature furnace
Row temper, it is standby；
（7）By step（2）In Al, Si input Medium frequency induction smelting furnace after baking, silico-aluminum is prepared at a temperature of 1420 DEG C
Melt, silumin alloy melt is ejected into atomization gas by aerodynamic atomization nozzle, the alloy melt of outflow is injected into
Shape, and deposit to step（6）In temper after ingot blank on, you can high-wear-resistant alloy material is made.
Preferably, described step（3）In, be also added into the AD powder of compound gross weight 0.8%, liquation is carried out deoxidation,
Desulfurization, take gas, decontamination.
Preferably, described step（4）In, the hydraulic pressure of High-Pressure Water is 0.25MPa, and the leakage eye size of intermediate bin is
10mm。
Preferably, described step（4）In, the powder-material crossed after 200 mesh sieves also needs to be put into baking oven, in 400 DEG C of bakings
4h。
Preferably, described step（6）The annealing process of middle ingot blank is：5h is incubated in the annealing furnace that temperature is 890 DEG C, with
Stove is come out of the stove air cooling after being cooled to 400 DEG C, cooling rate≤1.5 DEG C/min；The quenching technical of ingot blank is：It it is 950 DEG C in temperature
Water Quenching after insulation 2.5h in glowing furnace；The tempering process of ingot blank is：Go out after temperature is 200 DEG C of high temperature furnace inside holding 3h
Stove air cooling.
Preferably, described step（7）It is middle injection shaping technological parameter be：Atomization gas is nitrogen, and atomizing pressure is
0.7MPa, alloy melt temperature are 1420 DEG C, and ingot blank is 500mm relative to the deposited distance of aerodynamic atomization nozzle.
Preferably, described step（7）The thickness of the sial sedimentary of middle surface of ingot blank is 5mm.
The foregoing description of the disclosed embodiments, only for enabling professional and technical personnel in the field to realize or using this
Invention.A variety of modifications to these embodiments will be apparent for those skilled in the art, institute herein
The General Principle of definition can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore,
The present invention is not intended to be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty
The consistent most wide scope of point.
Claims (9)
1. a kind of high-wear-resistant alloy material, it is characterised in that be made up of by mass percentage following chemical composition：Al：5 ~ 8%,
Si：0.6 ~ 0.8%, Mn：0.4 ~ 0.6%, Cr：1.0 ~ 1.2%, Mo：0.2 ~ 0.22%, Ti：0.008 ~ 0.032%, Zr：
0.018 ~ 0.02%, Cu：0.01 ~ 0.04%, Re：0.06 ~ 0.08%, carbide：10 ~ 20%, surplus is Fe and inevitable
Impurity element.
A kind of 2. high-wear-resistant alloy material according to claim 1, it is characterised in that described carbide be tungsten carbide,
The one or more being carbonized in nickel, titanium carbide.
3. the preparation method of a kind of high-wear-resistant alloy material according to claim 1, it is characterised in that including following step
Suddenly：
（1）According to above-mentioned mass percent dispensing；
（2）By step（1）Al, Si, Mn, Cr, Mo, Ti, Zr, Cu, Re, the Fe and carbide prepared is put into baking oven, 350
~ 400 DEG C of 3 ~ 4h of baking；
（3）By step（2）Mn, Cr, Mo, Ti, Zr, Cu, Re, Fe and carbide input Medium frequency induction smelting furnace after baking
In, smelting furnace is warming up to 1250 ~ 1300 DEG C in 2.5 ~ 3h, carries out melting and material, by raw material by it is solid state transformed be liquid
State material；
（4）By step（3）In liquid material pour into intermediate bin, and the liquid material that flowed out in eye will be leaked from intermediate bin with High-Pressure Water
Tiny powdery granule is broken into, powder-material is made after crossing 200 mesh sieves, it is standby；
（5）By step（4）In powder-material input Medium frequency induction smelting furnace in, temperature is increased to 700 ~ 800 DEG C, into stove lead to
Enter argon gas and 50 ~ 60min is refined to melt, liquid level scum silica frost is removed after standing 20 ~ 30min；
（6）By step（5）In melt be cast into ingot blank, be placed in annealing furnace and anneal after being cooled to 250 ~ 300 DEG C；Again will annealing
Less than 200 DEG C of ingot blank is cooled to afterwards is placed in glowing furnace carry out Water Quenching；The ingot blank after quenching is finally put into high temperature furnace
Interior carry out temper, it is standby；
（7）By step（2）In Al, Si input Medium frequency induction smelting furnace after baking, sial is prepared at a temperature of 1400 ~ 1420 DEG C
Alloy melt, silumin alloy melt is ejected into atomization gas by aerodynamic atomization nozzle, the alloy melt of outflow is sprayed
Shaping is penetrated, and deposits to step（6）In temper after ingot blank on, you can high-wear-resistant alloy material is made.
A kind of 4. preparation method of high-wear-resistant alloy material according to claim 3, it is characterised in that described step
（3）In, the AD powder of compound gross weight 0.5 ~ 0.8% is also added into, deoxidation, desulfurization are carried out to liquation, takes gas, decontamination.
A kind of 5. preparation method of high-wear-resistant alloy material according to claim 3, it is characterised in that described step
（4）In, the hydraulic pressure of High-Pressure Water is 0.2 ~ 0.25MPa, and the leakage eye size of intermediate bin is 8 ~ 10mm.
A kind of 6. preparation method of high-wear-resistant alloy material according to claim 3, it is characterised in that described step
（4）In, the powder-material crossed after 200 mesh sieves is also needed to be put into baking oven, and 3 ~ 4h is toasted at 350 ~ 400 DEG C.
A kind of 7. preparation method of high-wear-resistant alloy material according to claim 3, it is characterised in that described step
（6）The annealing process of middle ingot blank is：4 ~ 5h is incubated in the annealing furnace that temperature is 850 ~ 890 DEG C, after cooling to 380 ~ 400 DEG C with the furnace
Come out of the stove air cooling, cooling rate≤1.5 DEG C/min；The quenching technical of ingot blank is：It is incubated in the glowing furnace that temperature is 900 ~ 950 DEG C
Water Quenching after 2 ~ 2.5h；The tempering process of ingot blank is：Come out of the stove after temperature is 180 ~ 200 DEG C of 2 ~ 3h of high temperature furnace inside holding sky
It is cold.
A kind of 8. preparation method of high-wear-resistant alloy material according to claim 3, it is characterised in that described step
（7）It is middle injection shaping technological parameter be：Atomization gas is nitrogen, and atomizing pressure is 0.65 ~ 0.7MPa, alloy melt temperature
For 1400 ~ 1420 DEG C, ingot blank is 400 ~ 500mm relative to the deposited distance of aerodynamic atomization nozzle.
A kind of 9. preparation method of high-wear-resistant alloy material according to claim 3, it is characterised in that described step
（7）The thickness of the sial sedimentary of middle surface of ingot blank is 3 ~ 5mm.
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