CN104152777A - Method for manufacturing TiC-based steel bond hard alloy composite wear-resisting reinforcing body - Google Patents
Method for manufacturing TiC-based steel bond hard alloy composite wear-resisting reinforcing body Download PDFInfo
- Publication number
- CN104152777A CN104152777A CN201410420040.1A CN201410420040A CN104152777A CN 104152777 A CN104152777 A CN 104152777A CN 201410420040 A CN201410420040 A CN 201410420040A CN 104152777 A CN104152777 A CN 104152777A
- Authority
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- China
- Prior art keywords
- reinforcement
- hard alloy
- tic
- base steel
- bond hard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910034327 TiC Inorganic materials 0.000 title claims abstract description 48
- 239000002131 composite material Substances 0.000 title claims abstract description 45
- 239000000956 alloy Substances 0.000 title claims abstract description 43
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 41
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 title abstract description 8
- 239000010959 steel Substances 0.000 title abstract description 8
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 230000003014 reinforcing Effects 0.000 title abstract 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
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- 238000005266 casting Methods 0.000 claims abstract description 29
- 239000000203 mixture Substances 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims abstract description 11
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 238000003723 Smelting Methods 0.000 claims abstract description 6
- 230000002787 reinforcement Effects 0.000 claims description 61
- 238000002360 preparation methods Methods 0.000 claims description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound 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[W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention discloses a method for manufacturing a TiC-based steel bond hard alloy composite wear-resisting reinforcing body. The method for manufacturing the TiC-based steel bond hard alloy composite wear-resisting reinforcing body comprises the steps that TiC-based steel bond hard alloy materials are evenly mixed with adhesion agents to obtain a mixture, a pressing machine mould cavity is filled with the mixture, the pressure of the mixture borne by a pressing machine is 50 MPa to 70 MPa, forming demoulding is carried out, a reinforcing body billet is put into a vacuum furnace to be sintered, the billet is cooled and discharged, and the TiC-based steel bond hard alloy composite reinforcing body is obtained; blasting treatment is carried out on the composite reinforcing body, and then, the surface of the reinforcing body is coated with a layer of nickel base alloy powder; the reinforcing body, obtained after preheating treatment, is put on the end face of a casting cavity, then, molten metal formed by smelting of metal matrix materials is cast in the casting cavity, and a composite wear-resisting piece is obtained. The reinforcing body is formed by pressing, is high in compactness and is not prone to scattering in the casting process, ceramic particles can be evenly dispersed in metal, the wear-resisting performance of the composite wear-resisting piece is improved, and the impact resistance of base materials is kept.
Description
Technical field
The present invention relates to the preparation method of complex abrasion-proof reinforcement, be specifically related to a kind of preparation method of TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement.
Background technology
Along with the development of scientific and technological level and modern industry requires more and more higher to the wear resistance of material, the consumable accessory of the industry equipment such as electric power, cement, mine, metallurgy, coal will be subject to the wearing and tearing of the various materials such as colliery, sandstone, soil and grinding element, will consume every year a large amount of metals.All there is severe Working environment in the many fields in industrial production, require working part to possess antiwear heat resisting or wear-and corrosion-resistant over-all properties simultaneously, and the material therefore with single performance can not meet the demand of operating mode.For many years, be one of key subjects of metal-base composites research to the technical study of particle enhanced steel iron powder based composites always, also obtain some achievements.
Patent of invention (CN 101898238 A) is filled in alumina-ceramic and metal powder mixture in mould, together enter stove sintering together with mould and obtain precast body, and then precast body is put into the end face of casting mold die cavity, adopt the pouring metal melt identical with metal powder material, metal powder in precast body is fused into liquid formation casting and oozes path, forms in position particulate reinforced composite.This processing method can well merge precast body and metal, but ceramic particle is lower than molten metal density, and easily floating causes ceramic particle to be concentrated on top layer, and intensity is not high, and in addition, precast body density is not high, and precast body is easily washed out loose by liquation.Patent of invention (CN101053898A) has been introduced a kind of vacuum full mold cast-infiltration method of preparing particulate reinforced metal-based composite surface material, this castmethod is that enhanced granule is prepared into the prefabricated section adapting with the required wearing face shape of matrix material, be fixed in and need the foam materials of alloying apperance surface, then by casting technique moulding cast.Tungsten carbide particle precast body convenient formation in this castmethod, but cost is higher, is difficult to apply, and in addition, the gas that the binding agent gasification in gas and composite bed that foam produces produces makes material internal occur unavoidable gas hole defect.Chinese invention patent (CN1128297A) has been announced a kind of local composite material and manufacture method thereof, it is that ceramic particle, organic binder bond and common base steel, heat-resisting base steel or nickel base powder are mixed, be pressed into the prefabricated section of desired shape, be placed in the casting mold part of the foundry goods that needs strengthening, casting metal.The local composite material that this method is made, easily produces dreg defect, and prefabricated section is after the high temperature cast of short period, is difficult to crystallization, relative poor in conjunction with effect with the interface of substrate metal.Patent of invention (CN 101898239 B) has been announced a kind of preparation method of ceramic particle reinforcement of composite wear-resistant material, in the method, ceramic particle adopts tungsten carbide particle and in graphite jig, sinters required different shape into, reinforcement prepared by technique can produce good metallurgical binding with iron powder base matrix, in conjunction with firm, there is higher comprehensive wear resistance, but this technique because of wolfram varbide cost too high, be unsuitable for the workpiece that preparation is larger, in addition, graphite jig is also not easy to be processed into spherical structure, restricted application.Patent of invention (CN103143699A) has been announced a kind of sintering metal prefabricated component metal-ceramic prefabricated component composite strengthening wearing piece preparation method, composite prefabricated density prepared by the method is high, in casting process, be difficult for defeated and dispersed, make porcelain particle can even dispersion in metal, but blank moulding more complicated in the method, precast body easily produces tiny crack in casting cycle, has potential safety hazard, and ceramic particle also easily comes off after may wear to a certain degree.
Summary of the invention
Goal of the invention: the object of the invention is in order to solve deficiency of the prior art, a kind of preparation method of TiC base Steel Bond Hard Alloy composite reinforcement is provided, the wearing piece working face that adopts the method to prepare is made up of jointly TiC base Steel Bond Hard Alloy reinforcement and the matrix metal of high-compactness, both improve the wear resistance of composite wear-resistant part, kept again the shock resistance of body material.
Technical scheme: the preparation method of a kind of TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement of the present invention, comprises the steps:
(1) be that 60～200 object carbonization TiC base Steel-bonded Cemented Carbides mix to obtain mixture with binding agent by particle diameter, each composition quality content of described carbonization TiC base Steel-bonded Cemented Carbide is: TiC:50-70%, Mn:5-7%, Ni:1-2%, Mo:0.6-1.5%, Cr:2-4%, surplus is iron powder, binding agent: 1-6%;
(2) said mixture is filled in press die die cavity, the suffered press pressure of mixture is 50-70MPa, shaping and demoulding, then reinforcement biscuit is put into vacuum oven temperature and is 1150 DEG C-1450 DEG C, vacuum tightness and be under 0.2～0.4Pa after sintered heat insulating 120-180 minute the cooling TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement of coming out of the stove to obtain;
(3) this composite reinforcement is after sandblasting, at reinforcement surface spraying one deck Co-based alloy powder; Reinforcement after thermal pretreatment is placed on to the end face of casting mold die cavity, the pouring metal melt then smelting metal fertile material being formed is poured into a mould to casting mold die cavity, obtains the composite wear-resistant part that composite reinforcement that thickness is 10-40mm and metallic matrix are metallurgical binding.
As preferably, described binding agent is epoxy resin, ethanol, polyvinyl alcohol.
As preferably, described casting mold is metal mold or sand mold.
As preferably, the material of described metallic matrix is steel alloy or medium and low carbon steel.
As preferably, that described TiC base Steel Bond Hard Alloy composite reinforcement is is latticed, column, cellular, strip or bulk.
As preferably, the technique that described spraying Co-based alloy powder adopts is flame plating or plasma spraying.
Beneficial effect: the present invention compared with prior art has the following advantages:
The first, reinforcement is repressed to be formed, and density is high, in casting process, be difficult for defeated and dispersed, ceramic particle can even dispersion in metal;
The second, utilize this technique can make the reinforcement of various desired shapes, applied widely;
The 3rd, to ooze with casting in the past, the technique such as negative pressure casting compares, this technique is simpler, convenient;
The 4th, reinforcement at high temperature can produce good metallurgical binding with body material, and in abrasive process, reinforcement can not come off;
The 5th, because TiC base Steel-bonded Cemented Carbide wear resisting property is better than abrasion-resistant metal alloy material, therefore friction durability is longer.
Brief description of the drawings
Fig. 1 is the latticed TiC base Steel Bond Hard Alloy composite reinforcement structural front view of one embodiment of the invention.
Fig. 2 is the latticed TiC base Steel Bond Hard Alloy composite reinforcement structure side view of one embodiment of the invention.
Fig. 3 is composite casting wear-resisting lining plate structure schematic diagram of the present invention.
Embodiment
Embodiment 1
A preparation method who manufactures latticed TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement, comprises the steps:
(1) be that 60 ~ 200 object TiC base Steel-bonded Cemented Carbides mix to obtain mixture with epoxy resin by particle diameter, wherein the each composition quality content of TiC base Steel-bonded Cemented Carbide is: TiC:50%, Mn:7%, Ni:2%, Mo:1.5%, Cr:4%, binding agent: 6%, surplus is iron powder;
(2) said mixture is filled in press die die cavity, the suffered press pressure of mixture is 50MPa, shaping and demoulding, then reinforcement biscuit is put into vacuum oven temperature and is 1150 DEG C, vacuum tightness and be under 0.2 ~ 0.4Pa sintered heat insulating after 180 minutes, the cooling TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement (as depicted in figs. 1 and 2) of coming out of the stove to obtain;
(3) this composite reinforcement is after sandblasting, at reinforcement surface spraying one deck Co-based alloy powder;
(4) reinforcement after thermal pretreatment is placed on to the end face of casting mold die cavity, then pouring metal melt smelting metal fertile material being formed is poured into a mould to casting mold die cavity, obtain the composite casting abrasion-proof backing block (as shown in Figure 3) that composite reinforcement that thickness is 10-40mm and metal carrier body are metallurgical binding, this liner plate fertile material is steel alloy or general carbon steel, end face is that wear-resistant surface is made up of the matrix metal of TiC base Steel Bond Hard Alloy composite reinforcement and regular distribution, TiC base Steel Bond Hard Alloy composite reinforcement material hardness is HRC64, and thickness is 10 ~ 40mm.
Embodiment 2
A preparation method who manufactures TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement, comprises the steps:
(1) be that 60 ~ 200 object TiC base Steel-bonded Cemented Carbides mix to obtain mixture with epoxy resin by particle diameter, wherein, each composition quality content is: TiC:70%, and Mn:5%, Ni:1%, Mo:0.6%, Cr:2%, binding agent: 1%, surplus is iron powder;
(2) said mixture is filled in press die die cavity, the suffered press pressure of mixture is 70MPa, shaping and demoulding, then reinforcement biscuit is put into vacuum oven temperature and is 1450 DEG C, vacuum tightness and be under 0.2 ~ 0.4Pa sintered heat insulating after 120 minutes, the cooling TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement of coming out of the stove to obtain;
(3) this composite reinforcement is after sandblasting, at reinforcement surface spraying one deck Co-based alloy powder;
(4) reinforcement after thermal pretreatment is placed on to the end face of casting mold die cavity, then pouring metal melt smelting metal fertile material being formed is poured into a mould to casting mold die cavity, obtain the composite casting abrasion-proof backing block that composite reinforcement that thickness is 10-40mm and metal carrier body are metallurgical binding, this liner plate fertile material is steel alloy or general carbon steel, end face is that wear-resistant surface is made up of the matrix metal of TiC base Steel Bond Hard Alloy composite reinforcement and regular distribution, TiC base Steel Bond Hard Alloy composite reinforcement material hardness is HRC66, and thickness is 10 ~ 40mm.
Embodiment 3
A preparation method who manufactures TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement, comprises the steps:
(1) be that 60 ~ 200 object TiC base Steel-bonded Cemented Carbides mix to obtain mixture with epoxy resin by particle diameter, wherein, each composition quality content is: TiC:60%, and Mn:6%, Ni:1.5%, Mo:1%, Cr:3%, binding agent: 4%, surplus is iron powder;
(2) said mixture is filled in press die die cavity, the suffered press pressure of mixture is 60MPa, shaping and demoulding, then reinforcement biscuit is put into vacuum oven temperature and is 1350 DEG C, vacuum tightness and be under 0.2 ~ 0.4Pa sintered heat insulating after 150 minutes, the cooling TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement of coming out of the stove to obtain;
(3) this composite reinforcement is after sandblasting, at reinforcement surface spraying one deck Co-based alloy powder;
(4) reinforcement after thermal pretreatment is placed on to the end face of casting mold die cavity, then pouring metal melt smelting metal fertile material being formed is poured into a mould to casting mold die cavity, obtain the composite casting abrasion-proof backing block that composite reinforcement that thickness is 10-40mm and metal carrier body are metallurgical binding, this liner plate fertile material is steel alloy or general carbon steel, end face is that wear-resistant surface is made up of the matrix metal of TiC base Steel Bond Hard Alloy composite reinforcement and regular distribution, TiC base Steel Bond Hard Alloy composite reinforcement material hardness is HRC67, and thickness is 10 ~ 40mm.
Following table is hardness and the Contrast of Wear Resistance of the present invention and comparative example:
| Embodiment | Hardness | Relative wear resistance |
| Comparative example | HRC62 | 1 |
| Embodiment 1 | HRC64 | 1.5 |
| Embodiment 2 | HRC66 | 2.0 |
| Embodiment 3 | HRC67 | 2.5 |
Claims (6)
1. a preparation method for TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement, is characterized in that: comprise the steps:
(1) be that 60～200 object carbonization TiC base Steel-bonded Cemented Carbides mix to obtain mixture with binding agent by particle diameter, each composition quality content of described carbonization TiC base Steel-bonded Cemented Carbide is: TiC:50-70%, Mn:5-7%, Ni:1-2%, Mo:0.6-1.5%, Cr:2-4%, surplus is iron powder, binding agent: 1-6%;
(2) said mixture is filled in press die die cavity, the suffered press pressure of mixture is 50-70MPa, shaping and demoulding, then reinforcement biscuit is put into vacuum oven temperature and is 1150 DEG C-1450 DEG C, vacuum tightness and be under 0.2～0.4Pa after sintered heat insulating 120-180 minute the cooling TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement of coming out of the stove to obtain;
(3) this composite reinforcement is after sandblasting, at reinforcement surface spraying one deck Co-based alloy powder; Reinforcement after thermal pretreatment is placed on to the end face of casting mold die cavity, the pouring metal melt then smelting metal fertile material being formed is poured into a mould to casting mold die cavity, obtains the composite wear-resistant part that composite reinforcement that thickness is 10-40mm and metallic matrix are metallurgical binding.
2. the preparation method of a kind of TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement according to claim 1, is characterized in that: described binding agent is epoxy resin, ethanol, polyvinyl alcohol.
3. the preparation method of a kind of TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement according to claim 1, is characterized in that: described casting mold is metal mold or sand mold.
4. the preparation method of a kind of TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement according to claim 1, is characterized in that: the material of described metallic matrix is steel alloy or medium and low carbon steel.
5. the preparation method of a kind of TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement according to claim 1, is characterized in that: described TiC base Steel Bond Hard Alloy composite reinforcement is latticed, column, cellular, strip or bulk.
6. the preparation method of a kind of TiC base Steel Bond Hard Alloy complex abrasion-proof reinforcement according to claim 1, is characterized in that: the technique that described spraying Co-based alloy powder adopts is flame plating or plasma spraying.
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| CN110093549A (en) * | 2019-06-03 | 2019-08-06 | 郑州鼎盛高新能源工程技术有限公司 | Steel bonded carbide-ZTA ceramic composite wear-resistant material production method and application |
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Application publication date: 20141119 |