CN1232670C - Metal base composite material and its production method - Google Patents
Metal base composite material and its production method Download PDFInfo
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- CN1232670C CN1232670C CN 02106782 CN02106782A CN1232670C CN 1232670 C CN1232670 C CN 1232670C CN 02106782 CN02106782 CN 02106782 CN 02106782 A CN02106782 A CN 02106782A CN 1232670 C CN1232670 C CN 1232670C
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Abstract
The present invention provides a metal-based composite abrasion-proof material which can be used for a surface, for example, the metal-based composite abrasion-proof material is combined with the surface of a workpiece. The present invention also provides a manufacturing method for the metal-based composite abrasion-proof material. The composite material comprises a metal base body and abrasion-proof reinforcing phases, wherein the abrasion-proof reinforcing phases are dispersed and distributed in the metal base body which form continuous substrates. The metal-based composite abrasion-proof material has uniform microstructure and surface quality, wherein in the microstructure, a person can observe the microstructure through an optical microscope, the peripheries of at least 65% of abrasion-proof reinforcing phase particles are encircled by the metal base body in the microstructure, and the volume fraction of the abrasion-proof reinforcing phases of the metal-based composite abrasion-proof material is not less than 60%.
Description
Technical field
The present invention relates to metal-base composites and manufacture method thereof, more specifically, the metal matrix wearing composite material that the present invention relates to be used for the surface for example with the manufacture method of workpiece surface bonded metal matrix wearing composite material, this metal matrix wearing composite material and machine structural parts with upper layer of making by this metal matrix wearing composite material.
Background technology
Under various operating modes, the wearing and tearing of metal works only occur in the characteristics of material surface, are the emphasis of wear-resisting area research by the strengthening workpiece surface to improve wear resistance always.Mutually for example WC (wolfram varbide) particle alloy and the waste alloy particle that utilizes again thereof have hardness height, characteristics that wear resistance is strong to hard, wear-resistant.It is compound to the abrasion resistance that can improve workpiece on the workpiece surface greatly.In other words, the metal-base composites that will comprise the hard, wear-resistant phase is attached to workpiece surface, perhaps forms the metal-base composites that comprises the hard, wear-resistant phase at workpiece surface, will significantly improve the wear resistance of workpiece, improves its work-ing life.
But at present, also there is variety of issue in this type of metal-base composites that comprises the hard, wear-resistant phase that is used for workpiece surface, is difficult to improve satisfactorily the wear resistance of workpiece.For example and since hard, wear-resistant mutually with metallic matrix between combine relatively poorly, the surface quality of the matrix material that is obtained is lower, for example has surface imperfection such as pin hole; At present the resulting matrix material that this type of is used for surperficial purposes is when thickness becomes big, problems such as microstructure is inhomogeneous takes place, thereby be difficult to obtain certain thickness this matrix material, can not give full play to the effect that it improves wear resistance.Therefore, do not occur as yet so far a kind ofly can improving the metal-base composites that the workpiece wear resistance comprises the hard, wear-resistant phase reliably, wherein, this matrix material has microstructure and good surface quality comparatively uniformly.
On the other hand, with regard to the making method of this matrix material, currently used method has infiltration method, overlaying method, spraying and cast-infiltration method or the like.These methods respectively have relative merits.For example adopt the Cu-Mn-Ni alloy that WC particle is soaked into and be soldered to the lip-deep infiltration method of Normal Steel Casting, can form one deck composite layer at workpiece surface.The matrix material of this method manufacturing has certain wear resistance, but its method complexity, cost height (for example, referring to Chinese patent, the patent No.: ZL94103404.6, a kind of roller shell of middling speed grinding machine and manufacture method).The simple cost of overlaying method is low, but the product wear resistance that is obtained can not show a candle to the former.The heat spraying method scope of application has certain limitation because coating thickness generally has only 1~2mm, and with the matrix metal poor bonding strength, so its wear resistance is also poor than the former.Cast-infiltration method has that wear resistance height, method are simple, low cost and other advantages, but that thickness is oozed in the matrix material casting is undesirable.Ooze the general method that applies external force that adopts of thickness in order to improve casting, as rotational casting, negative pressure casting (people such as Zhang Jun, adopt centrifugal casting that casting surface is carried out alloying, the 61st world's casting meeting, September nineteen ninety-five (Cast SurfaceAlloying by Centrifugal Casting Method, [C], Proceedings of 61thWorld Foundry Congress, Sep 1995)).In addition the WC particle as wear-resisting wild phase is carried out pre-treatment, in WC particle, sneak into the low melting point metal particle and be prefabricated into piece, utilize the low-temperature metal in the molten metal fusing WC particle layer of high temperature casting, ooze the method for purpose<referring to graphitic cast iron surface tungsten carbide particle _ rich chromium cast iron casting infiltration layer research thereby reach casting;<thermal processing method 〉, 1998, (6); P10~11 〉.But it is not high that these methods exist thickness of cast cemented alloy layer, wear-resisting wild phase pellet density little (volume share is less than 50%), and wear resistance not high (No. 45 steel that just quench 4.9~7.6 times), and can only make some miniature workpieces.Can't be widely used in the actual production at present.
Summary of the invention
One object of the present invention is to provide employing wear-resisting wild phase (for example WC particle) enhanced metal-base composites, this matrix material is when being applied to the surface, formed alloy layer thickness is big, wild phase pellet density height, the wild phase particle combines with matrix metal firmly, microstructure (microstructure) is fine and close, no bubble does not have slag inclusion, and composite material compositions, structure property and thickness can design and regulate as required.This matrix material also has wear resistance height (for example, the wear resistance of WC-cast iron matrix material of the present invention is that high chromium Wimet cast iron is more than 15 times), and production method is simple, low cost and other advantages.
For this reason, the invention provides a kind of metal matrix wearing composite material, it comprises metallic matrix and wear-resisting wild phase, and wherein this wear-resisting wild phase disperse is distributed in the metallic matrix that forms continuous matrix, described metal matrix wearing composite material have uniform microstructure and a surface quality.In the described microstructure, adopt observation by light microscope, surrounded by matrix metal around at least 65% the wear-resisting wild phase particle in the microstructure of described metal matrix wearing composite material, and the volume fraction that the wear-resisting wild phase in the wear-resisting composite wood of described metal matrix accounts for this matrix material is not less than 60%.
Another object of the present invention provides the manufacture method of metal matrix wearing composite material, wherein this metal matrix wearing composite material comprises metallic matrix and wear-resisting wild phase, this wear-resisting wild phase disperse is distributed in the metallic matrix that forms continuous matrix, adopt observation by light microscope, surrounded by matrix metal around at least 65% the wear-resisting wild phase particle in the microstructure of described metal matrix wearing composite material, and the volume fraction that the wear-resisting wild phase in the wear-resisting composite wood of described metal matrix accounts for this matrix material is not less than 60%, said method comprising the steps of:
To comprise that wear-resisting wild phase particulate is stuck with paste or cream is coated onto desired area in the casting mold upper workpiece chamber; Randomly can produce reducing atmosphere or be in the casting mold of nonactive atmosphere, to the mixture heating up that comprises wear-resisting wild phase to at least 1/3 of the molten metal temperature to be cast of degree centigrade expression, preferably at least 1/2, more preferably near the melting temperature of metal to be cast; In the mould cavity with the mixture that comprises wear-resisting wild phase of pouring metal melt after the preheating; After the casting mold cooling, take out foundry goods.
The present invention also provides machine structural parts, the core of structure function and the upper layer of making or making by the metal matrix wearing composite material that method of the present invention obtains by metal matrix wearing composite material of the present invention have been comprised, described machine structural parts is the dish watt of middling speed grinding machine especially, the beater plate of the roller shell of middling speed grinding machine or fan grinding machine.
Description of drawings
Fig. 1 is the structural representation of a kind of metal matrix wearing composite material according to an embodiment of the invention, and this metal matrix wearing composite material is compound in the surface of workpiece, and wear-resisting wild phase uniform particles is distributed in the metallic matrix.
Wherein, 1. be matrix metal; 2. ooze composite layer for casting.
Preferred embodiment is described
In one embodiment of the invention, the invention provides a kind of metal matrix wearing composite material, it comprises metallic matrix and wear-resisting wild phase, wherein this wear-resisting wild phase disperse is distributed in the metallic matrix that forms continuous matrix, described metal matrix wearing composite material have uniform microstructure and a surface quality.In the described microstructure, adopt observation by light microscope, surrounded by matrix metal around at least 65% the wear-resisting wild phase particle.
In the present invention, " microstructure uniformly " is meant, adopt observation by light microscope, surrounded by matrix metal around at least 65% the wear-resisting wild phase particle in the microstructure of described metal matrix wearing composite material, surrounded by matrix metal around preferred at least 75% the particle, more preferably surrounded by matrix metal around at least 85% the particle, most preferably surrounded by matrix metal around at least 95% the particle.In the present invention, " surrounded " and referred to by matrix metal, adopt observation by light microscope, wear-resisting wild phase particle neighboring (outside surface) is surrounded by matrix metal substantially, and exactly, the linear girth in wear-resisting wild phase particle neighboring (outside surface) at least 70%, preferably at least 80%, more preferably at least 90% with surround this particulate matrix metal and contact.Described observation by light microscope among the present invention is the force microscopy methods that this area is known altogether.Obviously, have in the above-mentioned even microstructural matrix material, wild phase particle and matrix metal contact surface are big, having the wild phase particle combines with matrix metal firmly, the advantage that microstructure (microstructure) is fine and close, and do not contain bubble, slag inclusion substantially, and composite material compositions, structure property and thickness can design as required and regulate.
Described observation by light microscope among the present invention is the force microscopy methods that this area is known altogether.Obviously, have in the above-mentioned even microstructural matrix material, the wild phase particle is surrounded by matrix metal, having the wild phase particle combines with matrix metal firmly, the advantage that microstructure (microstructure) is fine and close, and do not contain bubble, slag inclusion substantially, and composite material compositions, structure property and thickness can design as required and regulate.
In another embodiment of the invention, the invention provides a kind of metal matrix wearing composite material, wherein, the volume fraction that wear-resisting wild phase in the described metal matrix wearing composite material accounts for this matrix material is at least 65%, preferably be at least 75%, more preferably be at least 85%, optimum is at least 90%.
In another embodiment more of the present invention, the invention provides a kind of metal matrix wearing composite material, wherein, wear-resisting wild phase in the wear-resisting composite wood of described metal matrix is selected from Wimet or its waste alloy particle of WC base, and matrix metal is selected from cast iron, alloy iron, steel, steel alloy, aluminium, aluminium alloy, copper or copper alloy.
In yet another embodiment of the present invention, the invention provides a kind of metal matrix wearing composite material, wherein, the granularity of the wear-resisting wild phase in the wear-resisting composite wood of described metal matrix is at 2~100 orders, especially at 2~60 orders.
In another embodiment again of the present invention, the invention provides a kind of metal matrix wearing composite material, wherein, described metal matrix wearing composite material is an one with the surface bonding of the workpiece of waiting to improve wear resistance, as surface layer material, its thickness is not less than 2 millimeters, preferably is not less than 6 millimeters.
In addition, the present invention also provides the manufacture method of metal matrix wearing composite material, wherein this metal matrix wearing composite material comprises metallic matrix and wear-resisting wild phase, this wear-resisting wild phase disperse is distributed in the metallic matrix that forms continuous matrix, adopt observation by light microscope, and surrounded by matrix metal around at least 65% the wear-resisting wild phase particle in the microstructure of described metal matrix wearing composite material, and the volume fraction that the wear-resisting wild phase in the wear-resisting composite wood of described metal matrix accounts for this matrix material is not less than 60%, said method comprising the steps of:
To comprise that wear-resisting wild phase particulate is stuck with paste or cream is coated onto desired area in the casting mold upper workpiece chamber; Randomly can produce reducing atmosphere or be in the casting mold of nonactive atmosphere, to the mixture heating up that comprises wear-resisting wild phase to at least 1/3 of the molten metal temperature to be cast of degree centigrade expression, preferably at least 1/2, more preferably near the melting temperature of metal to be cast; In the mould cavity with the mixture that comprises wear-resisting wild phase of pouring metal melt after the preheating; After the casting mold cooling, take out foundry goods.
As the alternate embodiment of aforesaid method, method of the present invention can may further comprise the steps:
Mixed flux, wear-resisting wild phase particle and process auxiliaries form a kind of paste or cream; Should stick with paste or cream is coated onto desired area in the inner workpiece of the cast moulding chamber; To producing reducing atmosphere or being in the mixture that comprises wear-resisting wild phase in the casting mold of nonactive atmosphere and sand mold is heated to 1/3 of the molten metal temperature to be cast of degree centigrade expression at least, preferably at least 1/2, more preferably near the melting temperature of metal to be cast; In the mould cavity with the mixture that comprises wear-resisting wild phase of pouring metal melt after the preheating; After the casting mold cooling, take out foundry goods.
In a preferred embodiment, method of the present invention comprises the steps: in the matrix material material to adopt for example common molten steel or alloy molten steel (as manganese steel etc.) as the matrix metal that soaks into phase, molten iron or alloy hot metal are (as spheroidal graphite cast iron, high-chromium white cast iron, gray iron, ni-hard cast iron molten iron etc.) or the like; Wear-resisting wild phase for example can be granular Wimet WC or granular WC waste alloy (be a kind of sharp exhausted WC alloy block, obtain through broken).The WC particle that at first will add flux and an amount of process auxiliaries for example water glass mix, and furnishing pasty state or paste.The WC paste mixture is coated in the cast moulding workpiece chamber that can produce reducing atmosphere needs attrition resistant position.Hard metal mixtures casting mold in carried out direct heating or indirect heating, again casting of molten metal thereafter.After the cooling, shake out cleaning foundry goods.Obviously, adopt this method, can obtain wearing face layer and matrix bond and be whole structure unit.Certainly, the present invention is not limited to the structure that this class is combined into integral form.Can adopt alternate manner that described wearing composite material is attached on the matrix.
Another preferred embodiment according to the inventive method, in the pre-heating step before casting, the mixture heating up that will comprise wear-resisting wild phase is to at least 1/3 of the molten metal temperature to be cast of degree centigrade expression, and preferably at least 1/2, more preferably near the melting temperature of metal to be cast.
According to another preferred embodiment of the inventive method, adopt in the described pre-heating step and utilize electricity, flame and other thermal source directly or indirectly to heat.
Another preferred embodiment again according to the inventive method, wear-resisting wild phase granularity proportioning in the described mixing step, so that accounting for the volume fraction of this matrix material, the wear-resisting wild phase in the wear-resisting composite wood of metal matrix is not less than 60%, preferably be not less than 70%, more preferably be not less than 75%, most preferably be not less than 90%.
According to another preferred embodiment again of the inventive method, described wear-resisting wild phase is selected from Wimet or its waste alloy particle of WC base, and described molten metal is selected from the molten mass of cast iron, alloy iron, steel, steel alloy, aluminium, aluminium alloy, copper or copper alloy.
According to still another preferred embodiment of the inventive method, the granularity of the wear-resisting wild phase in the wear-resisting composite wood of described metal matrix is at 2~100 orders, especially 2~60 orders.
According to another preferred embodiment in addition of the inventive method, control the amount of paste described in the described coating step or cream amount of application and casting step molten metal, so that the thickness of the metal matrix wearing composite material that forms is not less than 2 millimeters, preferably be not less than 6 millimeters.
According to another preferred embodiment in addition of the inventive method, described process auxiliaries for example is a water glass, and flux for example is borax (Na
2B
4O
7.10H
2O) and Sodium Fluoride (NaF), the consumption of described process auxiliaries and flux can be and can access any consumption that metal matrix wearing composite material of the present invention maybe can be implemented the inventive method.As a preferred range, described add-on (accounts for the weight percentage of WC, down together) between 0.5%~25% (weight).
The present invention also provides machine structural parts, these parts comprise the upper layer of being made or being made by the metal matrix wearing composite material that method of the present invention obtains by metal matrix wearing composite material of the present invention, described machine structural parts is the dish watt of middling speed grinding machine especially, the beater plate of the roller shell of middling speed grinding machine or fan grinding machine.In addition, these parts can comprise the core of structure function.
Point out in passing, those of ordinary skills will be understood that, because the character of infiltration casting technique of the present invention, in wear-resisting wild phase particle (as WC), do not add any other metal, utilize the proportioning of wear-resisting wild phase particle variable grain degree, can change the tap density of wear-resisting wild phase, and can make the tap density maximization of wear-resisting wild phase, thereby obtain to contain the described matrix material of different wear-resisting wild phase ratios.In addition, those of ordinary skills also will understand, and change the thickness of the mixture coat that contains wear-resisting wild phase, can change the thickness of resulting composite layer.
Embodiment
Described flux is borax (Na
2B
4O
7.10H
2O) and Sodium Fluoride (NaF), add-on (accounts for the weight percentage of WC) between 0.5%~25%.
Described Wimet is 5 orders~100 purpose WC particle.The water glass furnishing pasty state or the paste of adding 0.5%~25%.
The Wimet that applies in the described casting mold and the pasty state or the paste mixture thickness of flux and water glass can be between 1mm~40mm.
Described electricity consumption, flame or the heating of other thermal source are meant electricity consumption, flame and other thermal source direct heating or casting mold are put into the process furnace internal heating.
Described molten metal is meant common molten steel or alloy molten steel (as manganese steel etc.), common molten iron or alloy hot metal (as gray iron, spheroidal graphite cast iron, high-chromium white cast iron, ni-hard cast iron molten iron etc.), copper alloy water, aluminium alloy water.
With the produced matrix material material of aforesaid method, its surface hardness is between HRc50~Hra94, and foundry goods integral body then has enough toughness and intensity.It can be widely used in industry such as electric power, coal, building materials, and can save a large amount of metals for country, and brings considerable economic.
Embodiment 1 (wear-resistant block)
For test specimen 1#, 2#, 3# is coated onto the bottom and the sidepiece of casting mold with the mixture that comprises WC particle and flux and water glass that mixes, and each sample is respectively 10,30, and 40mm is thick.To the heating of casting mold outer bottom, and then cast spheroidal graphite molten iron is in the workpiece chamber.Cooling back shake out takes out foundry goods.
For test specimen 4#, 5#, 6#, 7#, 8#, 9# are coated onto the mixture of the WC that mixes and flux and water glass the bottom and the sidepiece of casting mold, place it in the process furnace internal heating, divide 3 groups of the plain carbon stool molten steel of casting respectively, rich chromium cast iron and high mangaenese steel molten iron in the workpiece chamber, take out the casting mold air cooling in process furnace, last shake out takes out foundry goods.
For test specimen 8#, 9#, 10#, 11# is coated onto the bottom and the sidepiece of casting mold with the mixture of the WC that mixes and flux and water glass, places it in the process furnace internal heating, divides 2 groups to water casting copper alloys, aluminium alloy water respectively in the workpiece chamber.Take out the casting mold air cooling in process furnace, last shake out takes out foundry goods.
Embodiment 2
The making of MPS, HP, RP type middling speed grinding machine dish watt: make the mashed prod that WC and water glass are coated in the surface in the bricklayer of casting mold inner disc, maximum ga(u)ge is 25mm, and the molten steel of casting No. 45 is made into the dish watt that 45 cast steels have 25 mm thick matrix materials.
Embodiment 3
The roller shell of MPS type middling speed grinding machine is made: the roller shell excircle is divided into several wear block and interior annulus is made respectively.Utilize the spheroidal graphite cast iron casting to use cast-infiltration method of the present invention, make the wear-resistant block that has 25 mm thick composite layers.Annulus in the casting spheroidal graphite cast iron, the method with machinery is connected wear-resistant block with interior annulus again, makes the matrix material roller shell at last.
Embodiment 4
The beater plate of high speed fan grinding machine is made: fan mill beater plate is actually a flat board.Its easy-wearing surface is a single face, and is shaped as the plane.WC waste hand alloy material particle is placed on the bottom of casting mold, and thickness is 25 millimeters.Casting mold is put into the process furnace internal heating, pours into a mould spheroidal graphite cast iron liquid then.Form the matrix material layer thickness at last and be 25 millimeters beater plate.
Through above-mentioned test specimen and workpiece are tested, its composite hardness value is HRc50~HRa94.Do the test of particle erosive wear on the wearing test platform, its wear resistance is that rich chromium cast iron is more than 15 times.Because matrix metal can use good carbon steel of mechanical property or spheroidal graphite cast iron, therefore can be used for the manufacturing of the easy-abrasion part of any equipment.The method that is adopted is similar to casting, can make complex-shaped workpiece, so Application Areas of the present invention is extensive.As electric power, the vulnerable part in the fields such as building materials, agricultural machinery.Manufacture method of the present invention is simple, and has adopted cheap carbon steel or spheroidal graphite cast iron.The low method of its production cost is simple, therefore very easily promotes.The metal that China is lost because of wearing and tearing every year, and the loss that the overhaul of the equipments of carrying out therefrom causes is huge.If be extensive use of this product, can save a large amount of noble metals for country, can also bring considerable economic for enterprise.
Claims (21)
1. metal matrix wearing composite material, comprise metallic matrix and wear-resisting wild phase, wherein this wear-resisting wild phase disperse is distributed in the metallic matrix that forms continuous matrix, adopt observation by light microscope, surrounded by matrix metal around at least 65% the wear-resisting wild phase particle in the microstructure of described metal matrix wearing composite material, wear-resisting wild phase in the described metal matrix wearing composite material accounts for the volume fraction at least 65% of this matrix material, it is characterized in that, wear-resisting wild phase in the described metal matrix wearing composite material is selected from Wimet or its waste alloy particle of WC base, matrix metal is selected from cast iron, alloy iron, steel or steel alloy, the granularity of described wear-resisting wild phase is at 2~100 orders.
2. metal matrix wearing composite material as claimed in claim 1 is characterized in that, the wear-resisting wild phase in the described metal matrix wearing composite material accounts for the volume fraction at least 75% of this matrix material.
3. metal matrix wearing composite material as claimed in claim 1 is characterized in that, the wear-resisting wild phase in the described metal matrix wearing composite material accounts for the volume fraction at least 85% of this matrix material.
4. metal matrix wearing composite material as claimed in claim 1 is characterized in that, the wear-resisting wild phase in the described metal matrix wearing composite material accounts for the volume fraction at least 90% of this matrix material.
5. metal matrix wearing composite material as claimed in claim 1 is characterized in that, is surrounded by matrix metal around at least 75% the wear-resisting wild phase particle in the microstructure of described metal matrix wearing composite material.
6. metal matrix wearing composite material as claimed in claim 1 is characterized in that, is surrounded by matrix metal around at least 85% the wear-resisting wild phase particle in the microstructure of described metal matrix wearing composite material.
7. metal matrix wearing composite material as claimed in claim 1 is characterized in that the granularity of described wear-resisting wild phase is at 2~60 orders.
8. as each described metal matrix wearing composite material among the claim 1-7, it is characterized in that described metal matrix wearing composite material is as the surface layer material at workpiece surface, its thickness is not less than 2 millimeters.
9. metal matrix wearing composite material as claimed in claim 8 is characterized in that, the thickness of described metal matrix wearing composite material is not less than 6 millimeters.
10. the manufacture method of the metal matrix wearing composite material of claim 1 said method comprising the steps of:
To comprise that wear-resisting wild phase particulate is stuck with paste or cream is coated onto desired area in the casting mold upper workpiece chamber; In casting mold, to the mixture heating up that comprises wear-resisting wild phase to at least 1/3 of the molten metal temperature to be cast of degree centigrade expression; In the mould cavity with the mixture that comprises wear-resisting wild phase of pouring metal melt after the preheating; After the casting mold cooling, take out foundry goods.
11. the manufacture method of metal matrix wearing composite material as claimed in claim 10 is characterized in that, is in reducing atmosphere or is in nonactive atmosphere in described casting mold.
12. the manufacture method of metal matrix wearing composite material as claimed in claim 10 is characterized in that, to the mixture heating up that comprises wear-resisting wild phase to at least 1/2 of the molten metal temperature to be cast of degree centigrade expression.
13. the manufacture method of metal matrix wearing composite material as claimed in claim 10 is characterized in that, to the mixture heating up that comprises wear-resisting wild phase to melting temperature near metal to be cast.
14. the manufacture method as each described metal matrix wearing composite material among the claim 10-13 is characterized in that, described paste or cream form by mixed flux, wear-resisting wild phase particle and process auxiliaries.
15. the manufacture method as each described metal matrix wearing composite material among the claim 10-13 is characterized in that, in the described pre-heating step before casting, adopts and utilizes electricity, flame directly or indirectly to heat.
16. manufacture method as each described metal matrix wearing composite material among the claim 10-13, it is characterized in that, control wear-resisting wild phase granularity proportioning in the described mixing step, be not less than 60% so that the wear-resisting wild phase in the wear-resisting composite wood of metal matrix accounts for the volume fraction of this matrix material.
17. the manufacture method as each described metal matrix wearing composite material among the claim 10-13 is characterized in that, the granularity of the wear-resisting wild phase in the described metal matrix wearing composite material is at 2~60 orders.
18. manufacture method as each described metal matrix wearing composite material among the claim 10-13, it is characterized in that, described metal matrix wearing composite material and workpiece surface are combined as a whole, and control the amount of paste described in the described coating step or cream amount of application and casting step molten metal, so that the thickness of the metal matrix wearing composite material that forms is not less than 2 millimeters.
19. the manufacture method of metal matrix wearing composite material as claimed in claim 14, described process auxiliaries are water glass, flux is borax (Na
2B
4O
7.10H
2O) and Sodium Fluoride (NaF), the flux add-on is between 0.5%~25% weight.
20. machine structural parts has comprised the core of structure function and the upper layer of being made or being made by the metal matrix wearing composite material that each method among the claim 12-23 obtains by each metal matrix wearing composite material among the claim 1-11.
21. machine structural parts as claimed in claim 20, described machine structural parts are the dishes watt of middling speed grinding machine, the beater plate of the roller shell of middling speed grinding machine or fan grinding machine.
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CN100384609C (en) * | 2002-11-05 | 2008-04-30 | 鲍志勇 | Casting infiltration method of heating power for preparing composite alloy material with metal base |
CN101899585B (en) * | 2010-07-23 | 2012-11-28 | 西安交通大学 | Prefabricated part of composite abrasion-resistant part and method for manufacturing abrasion-resistant part with same |
CN103894262B (en) * | 2014-03-19 | 2016-02-03 | 大连汉顿工业有限公司 | The abrasionproof beater plate of a kind of blower mill and use thereof |
CN104176655A (en) * | 2014-08-27 | 2014-12-03 | 常熟市永固起重设备安装工程有限公司 | High-hardness hoisting arm |
CN104148621B (en) * | 2014-09-09 | 2016-03-23 | 孙岗 | A kind of bimetallic composite hard alloy particle founding and products thereof |
CN113145829A (en) * | 2021-01-29 | 2021-07-23 | 自贡长城硬面材料有限公司 | Preparation method of composite wear-resistant element |
CN116640953B (en) * | 2023-05-17 | 2024-05-14 | 中国科学院金属研究所 | Reutilization method of particle reinforced aluminum-based composite material waste |
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