CN116573938A - Tungsten carbide material for wedge welding chopper and production method thereof - Google Patents
Tungsten carbide material for wedge welding chopper and production method thereof Download PDFInfo
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- CN116573938A CN116573938A CN202310829933.0A CN202310829933A CN116573938A CN 116573938 A CN116573938 A CN 116573938A CN 202310829933 A CN202310829933 A CN 202310829933A CN 116573938 A CN116573938 A CN 116573938A
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- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000000463 material Substances 0.000 title claims abstract description 44
- 238000003466 welding Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 64
- 238000005238 degreasing Methods 0.000 claims abstract description 33
- 238000002156 mixing Methods 0.000 claims abstract description 23
- 238000005245 sintering Methods 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 239000006104 solid solution Substances 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 238000000498 ball milling Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 6
- RHDUVDHGVHBHCL-UHFFFAOYSA-N niobium tantalum Chemical compound [Nb].[Ta] RHDUVDHGVHBHCL-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052702 rhenium Inorganic materials 0.000 claims abstract description 5
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims abstract description 5
- MAKDTFFYCIMFQP-UHFFFAOYSA-N titanium tungsten Chemical compound [Ti].[W] MAKDTFFYCIMFQP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 4
- 238000007723 die pressing method Methods 0.000 claims abstract description 3
- 238000000465 moulding Methods 0.000 claims abstract description 3
- 239000002245 particle Substances 0.000 claims description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 238000007873 sieving Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 239000011812 mixed powder Substances 0.000 claims description 8
- 229910039444 MoC Inorganic materials 0.000 claims description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 5
- 239000012188 paraffin wax Substances 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 229910003468 tantalcarbide Inorganic materials 0.000 claims description 5
- INZDTEICWPZYJM-UHFFFAOYSA-N 1-(chloromethyl)-4-[4-(chloromethyl)phenyl]benzene Chemical compound C1=CC(CCl)=CC=C1C1=CC=C(CCl)C=C1 INZDTEICWPZYJM-UHFFFAOYSA-N 0.000 claims description 4
- QIJNJJZPYXGIQM-UHFFFAOYSA-N 1lambda4,2lambda4-dimolybdacyclopropa-1,2,3-triene Chemical compound [Mo]=C=[Mo] QIJNJJZPYXGIQM-UHFFFAOYSA-N 0.000 claims description 4
- 229910026551 ZrC Inorganic materials 0.000 claims description 4
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 claims description 4
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- WHJFNYXPKGDKBB-UHFFFAOYSA-N hafnium;methane Chemical compound C.[Hf] WHJFNYXPKGDKBB-UHFFFAOYSA-N 0.000 claims description 4
- UNASZPQZIFZUSI-UHFFFAOYSA-N methylidyneniobium Chemical compound [Nb]#C UNASZPQZIFZUSI-UHFFFAOYSA-N 0.000 claims description 4
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 229910003470 tongbaite Inorganic materials 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 238000001291 vacuum drying Methods 0.000 claims description 2
- 229910003178 Mo2C Inorganic materials 0.000 claims 2
- 235000014820 Galium aparine Nutrition 0.000 abstract description 14
- 240000005702 Galium aparine Species 0.000 abstract description 14
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 3
- 229910052758 niobium Inorganic materials 0.000 abstract description 2
- 239000010955 niobium Substances 0.000 abstract description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 abstract 1
- 229910052735 hafnium Inorganic materials 0.000 abstract 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 abstract 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011195 cermet Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/5607—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides
- C04B35/5626—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides based on tungsten carbides
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/08—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds based on tungsten carbide
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
- C04B2235/3839—Refractory metal carbides
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
- C04B2235/3839—Refractory metal carbides
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/405—Iron group metals
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Abstract
The tungsten carbide material for wedge welding cleaver comprises the following components in percentage by weight: WC 76-89.5%, tiC 5-10%, co 2-8%, ni 2-8%, cr 2 C 3 0.2‑1%、VC 0.2‑1%、Mo 2 0.5-2.5% of C and 0.5-5.5% of K; the K is at least one of tantalum niobium carbide or tungsten titanium carbide solid solution, and carbide of tantalum, hafnium, niobium, rhenium or zirconium; the preparation method comprises the following steps of 1, distributing and taking all components according to design components; 2. sequentially carrying out wet mixing ball milling, drying and screening on the prepared components; 3. mixing the standby powder and the forming agent in proportion; 4. molding the spare mixture into a tungsten carbide wedge welding chopper pressed compact; 5. degreasing and sintering the pressed compact formed by the die pressing. The method improves wear resistance of wire bonding of different materials, is suitable for wire bonding of different sizes, and further widensThe lead material application range of the tungsten carbide material improves the applicability of the tungsten carbide material in the wedge welding cleaver of fine wires and thick wires, improves the production efficiency and reduces the production cost.
Description
Technical Field
The invention belongs to the field of integrated circuit tool materials, and particularly relates to a tungsten carbide material for a wedge welding chopper and a production method thereof.
Background
In a microwave multi-chip assembly (MCM), interconnection of components such as a Monolithic Microwave Integrated Circuit (MMIC), a lumped resistor, a capacitor and the like with microstrip lines and coplanar waveguides and interconnection between microwave transmission lines or with a common analog signal radio frequency input (RF) ground plane are generally realized by adopting wire bonding, and effectiveness and reliability of wire bonding interconnection have great influence on microwave characteristics of the microwave MCM. Therefore, further improving the bonding tool and bonding wire and bonding process stability is an effective way to improve the reliability of microwave device interconnection.
Wedge bonding is an important component of wire bonding and is classified by wire size, typically comprising fine wire bonding (+.76 μm) and coarse wire bonding (> 76 μm), the fine wire typically comprising gold wire, copper wire, aluminum wire, etc., and the coarse wire typically comprising aluminum wire, copper wire, etc. The related literature indicates that the tungsten carbide cleaver is suitable for bonding aluminum wires and aluminum silicon wires, and the cleaver made of materials such as titanium carbide, ceramics and the like is suitable for bonding gold wires.
Disclosure of Invention
In view of the limitation of lead applicability in the current tungsten carbide cleaver, the invention aims at component regulation and control of the tungsten carbide material for the wedge welding cleaver, improves the wear resistance in the process of bonding leads with different materials by introducing TiC, is suitable for bonding leads with different sizes, further widens the application range of the lead materials of the tungsten carbide material, further improves the universality of the materials in the wedge welding cleaver with fine wires and thick wires, improves the production efficiency of the tungsten carbide material, and reduces the production cost of the tungsten carbide cleaver with different specifications. Therefore, the invention provides a tungsten carbide material for wedge welding cleavers and a production method thereof.
The invention provides a tungsten carbide material for a wedge welding chopper, which is characterized by comprising the following components in percentage by weight: WC 76-89.5%, tiC 5-10%, co 2-8%, ni 2-8%, cr 2 C 3 0.2-1%、VC 0.2-1%、Mo 2 0.5-2.5% of C and 0.5-5.5% of K; the VC and Mo 2 The weight percentage of C is VC: mo (Mo) 2 C=1:2.5; the K is at least one of tantalum niobium carbide solid solution, tungsten titanium carbide solid solution, tantalum carbide, hafnium carbide, niobium carbide, rhenium carbide and zirconium carbide.
Preferably, the tungsten carbide material of the invention comprises the following components in percentage by weight: 80-85% of WC, 5-10% of TiC, 4-6% of Co, 4-6% of Ni and Cr 2 C 3 0.2-0.5%、VC 0.2-0.4%、Mo 2 0.5-1% of C and 0.5-1.5% of K; preferably, K is selected from at least one of NbC, taC, (Ta, nb) C.
Preferably, the tungsten carbide material of the present invention has a hardness of 85.0-97.5HRA, a flexural strength >1360MPa, a porosity of a02B00C00, and a tungsten carbide grain size of 0.2-1.0 μm.
In a second aspect, the present invention provides a method for producing a tungsten carbide material for wedge bonding cleavers according to the first aspect, comprising the steps of:
1) According to the design composition, tungsten carbide powder, titanium carbide powder, cobalt powder, nickel powder, chromium carbide powder, vanadium carbide powder, molybdenum carbide powder and K powder are taken; the K powder is at least one selected from tantalum niobium carbide solid solution, tungsten titanium carbide solid solution, tantalum carbide, hafnium carbide, niobium carbide, rhenium carbide and zirconium carbide;
2) Sequentially placing the prepared powder into a rolling ball mill for wet mixing and ball milling, drying the mixture by a vacuum drying oven or a vacuum stirring dryer after ball milling, and sieving the dried mixed powder under a 200-mesh sieve for later use;
3) Mixing the spare powder and the forming agent in a vacuum stirring dryer according to a proportion, wherein the addition amount of the forming agent is 3.0-4.5% of that of the powder, the mixing time is 60-90min, the mixing temperature is 75-95 ℃, and preferably, the forming agent adopts hard alloy paraffin or polyethylene glycol; after cooling, sieving the mixed material under a 80-mesh sieve for standby;
4) Molding the spare mixture on a hydraulic press to form a tungsten carbide wedge welding chopper pressed compact;
5) And degreasing and sintering the pressed compact formed by the die pressing by adopting a vacuum degreasing and sintering integrated furnace.
Preferably, the degreasing sintering treatment is vacuum negative pressure degreasing, and the flow of inert gas in the furnace is 0.5-1.8m 3 /h; the degreasing and heat preserving temperature is 340-370 ℃ and the degreasing time is 90-180min; sintering temperature is 1440-1550 deg.C, and heat-preserving time is 60-120min.
Preferably, the average particle size of the tungsten carbide powder is 0.1-2.5 mu m, the average particle size of the titanium carbide powder and the molybdenum carbide powder is 0.1-3.0 mu m, the average particle size of the cobalt powder, the nickel powder, the chromium carbide powder and the vanadium carbide powder is 0.1-1.0 mu m, and the average particle size of the K powder is 0.1-2.0 mu m.
Preferably, the tungsten carbide wedge welding chopper compact is a solid bar compact; the outer diameter phi of the solid rod blank is 2-5mm, and the length L is 25-100mm.
Preferably, the tungsten carbide wedge compact is placed obliquely on a graphite boat coated with an alumina, zirconia or graphite/alumina release coating during the degreasing sintering process.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, tiC, namely a metal ceramic component, is introduced, so that the high hardness and high wear resistance of TiC-Ni metal ceramic are reflected in the tungsten carbide composite material, and meanwhile, the working condition suitability of bonding wires such as WC-based material and gold wire is improved; the shape and the distribution of TiC particles are regulated and controlled through the high-melting-point carbide and the solid solution, so that the bonding service life of the tungsten carbide wedge bonding chopper is further prolonged. Therefore, the invention improves the wear resistance of the lead bonding of different materials, is suitable for the lead bonding of different sizes, further widens the application range of the lead materials of the tungsten carbide material, improves the applicability of the tungsten carbide material in the wedge bonding cleaver of thin wires and thick wires, improves the production efficiency and reduces the production cost.
Drawings
Fig. 1 is a microscopic topography of the tungsten carbide material of example 1.
Detailed Description
The present invention provides a tungsten carbide material for a wedge bonding cleaver and a method of producing the same, and in order that the contents of the present invention may be more clearly understood, the present invention will be described in further detail with reference to specific examples.
The materials used in the examples below were all commercial products and devices as provided in the prior art.
Example 1
The ingredients comprise WC powder (FSSS 0.8 μm), tiC powder (FSSS 1 μm) 5%, co powder (FSSS 1 μm) 4%, ni powder (FSSS 1 μm) 4% and Cr 0.2% by weight 2 C 3 Powder (FSSS 1 μm), 0.2% VC powder (FSSS 1 μm), 0.5% MoC powder (FSSS 1 μm), 1.1% NbC powder (FSSS 1 μm), totaling 100%. After the components are prepared, placing the mixture into a rolling ball mill for wet mixing and ball milling, drying the mixture through a vacuum stirring dryer, sieving the dried mixed powder under a 200-mesh sieve, adding the powder and a forming agent into the vacuum stirring dryer in proportion for mixing, adding hard alloy paraffin (4.0% of the powder), mixing for 60min at the mixing temperature of 75 ℃, and sieving the mixed powder under a 80-mesh sieve after mixing; the prepared mixture is pressed and formed into a tungsten carbide wedge welding chopper compact (phi is 3.0mm and the length L is 30 mm) on a hydraulic press; the tungsten carbide pressed compact is obliquely placed on a graphite boat coated with alumina, and degreasing sintering is carried out by adopting a vacuum degreasing sintering integrated furnace: the degreasing treatment is vacuum negative pressure degreasing, and the flow of inert gas in the furnace is 1m 3 /h; the degreasing and heat preserving temperature is 340 ℃ and the degreasing time is 180min; the sintering temperature is 1500 ℃ and the heat preservation time is 60min.The hardness of the prepared tungsten carbide wedge welding chopper is 91.5HRA, the bending strength is 2560MPa, the porosity is A02B00C00, and the grain size of the tungsten carbide is 0.4 mu m. FIG. 1 is a diagram showing the microscopic morphology of a tungsten carbide wedge bonded cleaver material. In fig. 1, the white phase is tungsten carbide particles, the black large particle phase is a multi-element solid solution (Ti, mo and Nb) mainly containing titanium carbide, the nickel-cobalt bonding phases are filled between the phases, the multi-element solid solution is distributed, the multi-element solid solution and the bonding phases have good wetting phases, the multi-element solid solution has high hardness and high wear resistance, the wear resistance of the material is effectively improved, the suitability between the multi-element phase and the bonding wires can be improved, the application range of the material is widened, the bonding service life of the material is prolonged, and the beneficial effects of the invention are finally realized.
Example 2
The ingredients comprise WC powder (FSSS 2.5 μm), tiC powder (FSSS 0.5 μm), co powder (FSSS 1 μm), ni powder (FSSS 1 μm) and Cr powder (0.2% by weight percentage of 76% 2 C 3 Powder (FSSS 1 μm), 0.2% VC powder (FSSS 1 μm), 0.8% MoC powder (FSSS 1 μm), 0.8% TaC powder (FSSS 1 μm), totaling 100%. After the components are prepared, placing the mixture into a rolling ball mill for wet mixing and ball milling, drying the mixture through a vacuum stirring dryer, sieving the dried mixed powder under a 200-mesh sieve, adding the powder and a forming agent into the vacuum stirring dryer in proportion for mixing, adding hard alloy paraffin (3.0% of the powder), mixing for 90min at 90 ℃, and sieving the mixed powder under a 80-mesh sieve after mixing; the prepared mixture is pressed and formed into a tungsten carbide wedge welding chopper compact (phi is 5.0mm and the length L is 100 mm) on a hydraulic press; the tungsten carbide pressed compact is obliquely placed on a graphite boat coated with zirconia, and degreasing sintering is carried out by adopting a vacuum degreasing sintering integrated furnace: the degreasing treatment is vacuum negative pressure degreasing, and the flow of inert gas in the furnace is 1.8m 3 /h; the degreasing and heat preserving temperature is 370 ℃ and the degreasing time is 90min; the sintering temperature is 1440 ℃ and the heat preservation time is 90min. The hardness of the prepared tungsten carbide wedge welding chopper is 88.0HRA, the bending strength is 2860MPa, the porosity is A02B00C00, and the carbon isThe grain size of tungsten carbide is 1.0 μm.
Example 3
The ingredients comprise 89.5 wt% WC powder (FSSS 0.5 μm), 5 wt% TiC powder (FSSS 3 μm), 2 wt% Co powder (FSSS 1 μm), 2 wt% Ni powder (FSSS 1 μm) and 0.3 wt% Cr 2 C 3 Powder (FSSS 0.5 μm), 0.2% VC powder (FSSS 0.5 μm), 0.5% MoC powder (FSSS 3 μm), 0.5% (Ta, nb) C powder (FSSS 2 μm), totaling 100%. After the components are prepared, placing the mixture into a rolling ball mill for wet mixing and ball milling, drying the mixture through a vacuum stirring dryer, sieving the dried mixed powder under a 200-mesh sieve, adding the powder and a forming agent into the vacuum stirring dryer in proportion for mixing, adding hard alloy paraffin (3.5% of the powder), mixing for 75min at the temperature of 85 ℃, and sieving the mixed powder under a 80-mesh sieve after mixing; the prepared mixture is pressed and formed into a tungsten carbide wedge welding chopper compact (phi is 2mm and the length L is 25 mm) on a hydraulic press; the tungsten carbide pressed compact is obliquely placed on a graphite boat coated with graphite/alumina, and degreasing and sintering are carried out by adopting a vacuum degreasing and sintering integrated furnace: the degreasing treatment is vacuum negative pressure degreasing, and the flow of inert gas in the furnace is 0.5m 3 /h; the degreasing and heat preserving temperature is 360 ℃ and the degreasing time is 120min; the sintering temperature is 1460 ℃, and the heat preservation time is 180min. The hardness of the prepared tungsten carbide wedge welding chopper is 91.5HRA, the bending strength is 1835MPa, the porosity is A02B00C00, and the grain size of the tungsten carbide is 0.25 mu m.
As can be seen from the results of the above examples, the invention embodies the high hardness and high wear resistance of TiC-Ni cermet in the tungsten carbide composite material by introducing TiC, and improves the working condition suitability of WC-based material and gold wire and other bonding wires, so that the hardness of the prepared tungsten carbide wedge welding chopper is above 88.0HRA, the bending strength can reach above 1835MPa, the porosity is A02B00C00, and the tungsten carbide grain size can be 0.25 mu m.
Therefore, the invention improves the wear resistance of the lead bonding of different materials, is suitable for the lead bonding of different sizes, further widens the application range of the lead materials of the tungsten carbide material, improves the applicability of the tungsten carbide material in the wedge bonding cleaver of thin wires and thick wires, improves the production efficiency and reduces the production cost.
The above examples merely illustrate specific embodiments of the invention, which are described in more detail and are not to be construed as limiting the scope of the invention, it should be noted that modifications and adaptations to those skilled in the art can be made without departing from the concept of the invention.
Claims (8)
1. The tungsten carbide material for the wedge welding chopper is characterized by comprising the following components in percentage by weight: 76-89.5% of WC, 5-10% of TiC, 2-8% of Co, 2-8% of Ni, 0.2-1% of Cr2C3, 0.2-1% of VC, 0.5-2.5% of Mo2C and 0.5-5.5% of K; the K is at least one of tantalum niobium carbide solid solution, tungsten titanium carbide solid solution, tantalum carbide, hafnium carbide, niobium carbide, rhenium carbide or zirconium carbide.
2. The tungsten carbide material as claimed in claim 1, wherein the composition, in weight percent, consists of: 80-85% of WC, 5-10% of TiC, 4-6% of Co, 4-6% of Ni, 0.2-0.5% of Cr2C3, 0.2-0.4% of VC, 0.5-1% of Mo2C and 0.5-1.5% of K, wherein K is at least one selected from NbC, taC and (Ta, nb) C.
3. The tungsten carbide material as claimed in claim 1, wherein the hardness is 85.0-97.5HRA, the flexural strength is >1360MPa, the porosity is a02B00C00, the tungsten carbide grain size is 0.2-1.0 μm.
4. A method of producing a tungsten carbide material as claimed in any one of claims 1 to 3, comprising the steps of:
1) According to the design composition, tungsten carbide powder, titanium carbide powder, cobalt powder, nickel powder, chromium carbide powder, vanadium carbide powder, molybdenum carbide powder and K powder are taken; the K powder is at least one selected from tantalum niobium carbide solid solution, tungsten titanium carbide solid solution, tantalum carbide, hafnium carbide, niobium carbide, rhenium carbide and zirconium carbide;
2) Sequentially placing the prepared powder into a rolling ball mill for wet mixing and ball milling, drying the mixture by a vacuum drying oven or a vacuum stirring dryer after ball milling, and sieving the dried mixed powder under a 200-mesh sieve for later use;
3) Mixing the spare powder and the forming agent in a vacuum stirring dryer according to a proportion, wherein the addition amount of the forming agent is 3.0-4.5% of that of the powder, the mixing time is 60-90min, the mixing temperature is 75-95 ℃, and the forming agent is hard alloy paraffin or polyethylene glycol; after cooling, sieving the mixed material under a 80-mesh sieve for standby;
4) Molding the spare mixture on a hydraulic press to form a tungsten carbide wedge welding chopper pressed compact;
5) And degreasing and sintering the pressed compact formed by the die pressing by adopting a vacuum degreasing and sintering integrated furnace.
5. The production method according to claim 4, wherein in step 1), the average particle size of the tungsten carbide powder is 0.1 to 2.5. Mu.m, the average particle sizes of the titanium carbide powder and the molybdenum carbide powder are 0.1 to 3.0. Mu.m, the average particle sizes of the cobalt powder, the nickel powder, the chromium carbide powder and the vanadium carbide powder are 0.1 to 1.0. Mu.m, and the average particle size of the K powder is 0.1 to 2.0. Mu.m.
6. The method of claim 4, wherein in step 4), the tungsten carbide wedge bond chopper compact is a solid bar compact; the outer diameter phi of the solid rod blank is 2-5mm, and the length L is 25-100mm.
7. The production method according to claim 4, wherein in step 5), the tungsten carbide wedge bond chopper compact is obliquely placed on a graphite boat coated with an alumina, zirconia or graphite/alumina release coating during degreasing and sintering.
8. The production method according to claim 4, wherein in the step 5), the degreasing sintering treatment is vacuum negative pressure degreasing, and the flow rate of inert gas in the furnace is 0.5-1.8m3/h; the degreasing and heat preserving temperature is 300-380 ℃ and the degreasing time is 90-180min; sintering temperature is 1440-1550 deg.C, and heat-preserving time is 60-120min.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451322A (en) * | 2014-11-25 | 2015-03-25 | 广东工业大学 | Tungsten carbide-based hard alloy and preparation method thereof |
| CN105886871A (en) * | 2016-05-13 | 2016-08-24 | 株洲中工硬质合金工具有限责任公司 | High-strength hard alloy with titanium carbide as main component and preparation method of high-strength hard alloy |
| CN109868404A (en) * | 2019-03-27 | 2019-06-11 | 成都川硬合金材料有限责任公司 | A kind of hard alloy axle sleeve and preparation method thereof |
| CN109881072A (en) * | 2019-03-27 | 2019-06-14 | 四川川钨硬质合金有限公司 | A kind of hard alloy seal ring and preparation method thereof |
| CN110385440A (en) * | 2019-07-29 | 2019-10-29 | 成都精蓉创科技有限公司 | The production technology of powder metallurgy depth chamber weldering chopper |
| CN110527889A (en) * | 2019-09-05 | 2019-12-03 | 成都精蓉创科技有限公司 | A kind of material and its preparation process welding chopper for producing deep chamber |
| CN113061764A (en) * | 2021-03-16 | 2021-07-02 | 昆山长鹰硬质材料科技股份有限公司 | Tungsten carbide-based hard alloy and preparation method thereof |
| CN114921702A (en) * | 2022-02-21 | 2022-08-19 | 有研工程技术研究院有限公司 | Material for producing wedge-shaped cleaver and preparation method thereof |
| CN115261697A (en) * | 2022-08-09 | 2022-11-01 | 成都广大精微新材料有限公司 | High-performance wedge-shaped cleaver for wire bonding and manufacturing method thereof |
-
2023
- 2023-07-07 CN CN202310829933.0A patent/CN116573938A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451322A (en) * | 2014-11-25 | 2015-03-25 | 广东工业大学 | Tungsten carbide-based hard alloy and preparation method thereof |
| CN105886871A (en) * | 2016-05-13 | 2016-08-24 | 株洲中工硬质合金工具有限责任公司 | High-strength hard alloy with titanium carbide as main component and preparation method of high-strength hard alloy |
| CN109868404A (en) * | 2019-03-27 | 2019-06-11 | 成都川硬合金材料有限责任公司 | A kind of hard alloy axle sleeve and preparation method thereof |
| CN109881072A (en) * | 2019-03-27 | 2019-06-14 | 四川川钨硬质合金有限公司 | A kind of hard alloy seal ring and preparation method thereof |
| CN110385440A (en) * | 2019-07-29 | 2019-10-29 | 成都精蓉创科技有限公司 | The production technology of powder metallurgy depth chamber weldering chopper |
| CN110527889A (en) * | 2019-09-05 | 2019-12-03 | 成都精蓉创科技有限公司 | A kind of material and its preparation process welding chopper for producing deep chamber |
| CN113061764A (en) * | 2021-03-16 | 2021-07-02 | 昆山长鹰硬质材料科技股份有限公司 | Tungsten carbide-based hard alloy and preparation method thereof |
| CN114921702A (en) * | 2022-02-21 | 2022-08-19 | 有研工程技术研究院有限公司 | Material for producing wedge-shaped cleaver and preparation method thereof |
| CN115261697A (en) * | 2022-08-09 | 2022-11-01 | 成都广大精微新材料有限公司 | High-performance wedge-shaped cleaver for wire bonding and manufacturing method thereof |
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