CN103071945B - Nickel-based solder used for welding diamond and preparation method for nickel-based solder - Google Patents
Nickel-based solder used for welding diamond and preparation method for nickel-based solder Download PDFInfo
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- CN103071945B CN103071945B CN201210569334.1A CN201210569334A CN103071945B CN 103071945 B CN103071945 B CN 103071945B CN 201210569334 A CN201210569334 A CN 201210569334A CN 103071945 B CN103071945 B CN 103071945B
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- diamond
- nickel
- based solder
- solder
- atomization
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 41
- 239000010432 diamond Substances 0.000 title claims abstract description 41
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 28
- 229910000679 solder Inorganic materials 0.000 title claims abstract description 28
- 238000003466 welding Methods 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 238000000889 atomisation Methods 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 15
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052796 boron Inorganic materials 0.000 claims abstract description 10
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 8
- 239000000956 alloy Substances 0.000 claims abstract description 8
- 230000006698 induction Effects 0.000 claims abstract description 8
- 229910052786 argon Inorganic materials 0.000 claims abstract description 7
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 230000004927 fusion Effects 0.000 claims description 14
- 239000011159 matrix material Substances 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 238000005219 brazing Methods 0.000 abstract description 22
- 239000010949 copper Substances 0.000 abstract description 9
- 238000005520 cutting process Methods 0.000 abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052804 chromium Inorganic materials 0.000 abstract description 7
- 239000011651 chromium Substances 0.000 abstract description 7
- 229910052802 copper Inorganic materials 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 3
- 238000003763 carbonization Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000003723 Smelting Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 239000000945 filler Substances 0.000 description 9
- 229910001092 metal group alloy Inorganic materials 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000005476 soldering Methods 0.000 description 5
- 238000005868 electrolysis reaction Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229910001573 adamantine Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
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- Powder Metallurgy (AREA)
Abstract
The invention discloses nickel-based solder used for welding diamond and a preparation method for the nickel-based solder. The nickel-based solder comprises the following raw materials in percentage by weight: 15-25 percent of copper (Cu), 6-8 percent of chromium (Cr), 3-6% of silicon (Si), 2-4 percent of boron (B), 6-12 percent of ferrum (Fe) and the balance of nickel (Ni). The preparation method for the nickel-based solder comprises the following steps of: putting the proportioned raw materials into a vacuum induction furnace for melting; starting up a vacuum pump; turning on an induction power supply for smelting; pouring alloy liquid into a holding furnace when argon is rushed to reach 0.5-0.8 of barometric pressure; atomizing in an atomization barrel through a discharge spout of the holding furnace; and grading powder to manufacture the nickel-based solder. According to the nickel-based solder disclosed by the invention, the copper is added to reduce brazing temperature, so that the carbonization of the diamond at high temperature is reduced, and the exposure sharpness of the diamond is kept; as the solder contains a large number of strong carbide elements, such as Fe, Cr, Si and the like, a carbide phase is formed on the surface of the diamond when brazing is performed, so that a diamond cutting tool is high in bonding strength, and the cutting service life of the diamond cutting tool is prolonged; the solder is moderate in hardness after brazing; the surface exposure speed of the diamond is high when cutting machining is performed by the diamond cutting tool; and the cutting efficiency is high.
Description
Technical field
The Nickel Matrix Solder that the present invention relates to a kind of diamond cutter welding, relates to a kind of Nickel Matrix Solder for diamond welding and preparation method thereof especially.
Background technology
Diamond (Diamond) is the axle centroid cubic crystal systems such as a kind of special simple substance carbon (C), its crystal structure genus.Connecting key in diamond between carbon atom is SP3 hydridization covalent bond, has very high adhesion, stability and directionality.Unique crystal structure make diamond there is hardness the highest in nature material (Mohs' hardness is 10), the highest elastic modelling quantity, the minimum compressed coefficient and good resistance to wear, corrosion resistance and chemical stability.Adamantine fracture strength is up to 40 * 10
3mPa, and before fracture, there is not plastic flow limit.The diamond with excellent physical mechanical performance is the ideal material of making hard brittle material machining tool, is widely used in processing drill, cutting tools, grinding tool, grinding tool miscellaneous and other important superhard wear surface of the hard brittle materials such as carbide alloy, engineering ceramics, optical glass, semi-conducting material, granite.Traditional diamond tool, by the difference of manufacture, mainly contains hot pressed sintering and electroplates two types.
For a little less than solving the hold that diamond tool classical production process brings, the drawback such as proud exposure is low and easily come off, more give full play to the advantage of diamond tool, from the eighties middle and later periods, soldering tech is applied to the manufacture field of diamond tool.Soldering is subject to extensive concern at home and abroad as a kind of novel method for producing diamond tool.Brazing filler metal alloy fusing and capillarity in brazing process, make alloy closely wrap up diamond, between diamond and brazing filler metal alloy, form strong chemical bond simultaneously, adamantine bond strength and adamantine height of protrusion have been improved, and then improved cutting ability and the self-sharpening of instrument, be particularly suitable for high-speed and high-efficiency grinding.In recent years, high temperature brazing diamond tool has become the focus of research.Mainly concentrate on now Ni – Cr alloy and Ni-Cr-P system both at home and abroad.
Summary of the invention
Deficiency for existing diamond brazing material, the object of this invention is to provide a kind of Nickel Matrix Solder for diamond welding and preparation method thereof, this nickel-based brazing material not only has suitable fusing point and brazing temperature, and has good wellability and adhesion with diamond surface.
The object of the invention is to be achieved through the following technical solutions:
One, the Ni-based new scolder welding for diamond cutter, by making in the raw material of weight percent as follows:
Cu 15～25%
Cr 6～8%
Si 3～6%
B 2～4%
Fe 6～12%
Ni surplus
Two, a kind of preparation method of the Nickel Matrix Solder for diamond welding:
By aforementioned percetage by weight Cu15～25%, Cr6～8%, Si3～6%, B2～4%, Fe6～12%, Ni surplus, accurately weigh various raw materials.The raw material preparing is put into vaccum sensitive stove and is melted, and opens vavuum pump, and vacuum is 1.033 * 10
-2～1.033 * 10
-3during Pa, open induction power supply melting, 1150～1300 ℃ of fusion temperatures, fusion clear after insulation 3～6 minutes, while pouring argon gas to 0.5～0.8 atmospheric pressure, aluminium alloy is poured into holding furnace, by the holding furnace atomization in atomization bucket of leting slip a remark.The brazing filler metal alloy of atomization, by classifying device for powder classification, is made the solder powder of required granularity.
The beneficial effect that the present invention has is:
When Ni-based new scolder of the present invention is used for diamond brazing, owing to having added a certain amount of copper effectively to reduce brazing temperature, the carbonization of diamond when high temperature reduced, keep it to go out sword sharpness; Owing to containing the strong carbide elements such as a large amount of Fe, Cr, Si in new solder, during soldering, at diamond surface, form Carbide Phases, make diamond cut cutter there is high bond strength, improve it and cut service life; After new scolder soldering, hardness is moderate, and during diamond cutter cutting processing, to go out sword fast on its surface, and efficiency is high.
Accompanying drawing explanation
Fig. 1 is the fusion temperature curve map that Nickel Matrix Solder synchronization discrepancy thermal analyzer is measured.
Fig. 2 is the scanning shape appearance figure at Nickel Matrix Solder braze welding diamond interface.
Fig. 3 is the compound energy spectrogram at Nickel Matrix Solder braze welding diamond interface.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Ni-based new scolder of the present invention is for the soldering of diamond cut instrument, and concrete preparation method comprises the following steps:
1, by aforementioned percetage by weight, accurately weigh various raw materials, wherein Cu, Cr, Ni with electrolysis material add, Si with High Purity Polycrystalline state add, B and Fe add with Ni-B and Fe-B intermediate alloy form.The raw material preparing is put into vaccum sensitive stove and is melted, and opens vavuum pump, and vacuum is 1.033 * 10
-2～1.033 * 10
-3during Pa, open induction power supply melting, fusion temperature is 1100～1300 ℃, clear rear insulation fusion 3～6 minutes.
While 2, pouring argon gas to 0.5～0.8 atmospheric pressure in vaccum sensitive stove, aluminium alloy is poured in the tundish of holding furnace, by its atomization in atomization bucket of leting slip a remark.Atomization adopts high pressure high pure nitrogen.
3, the brazing filler metal alloy of atomization, by classifying device for powder classification, is made the solder powder of required granularity.
Embodiment 1:
Percentage Cu15%, Cr8%, Fe10%, Si6%, B2% and nickel surplus accurately weigh various raw materials by weight, wherein Cu, Cr, Ni with electrolysis material add, Si with High Purity Polycrystalline state add, B and Fe add with Ni-B and Fe-B intermediate alloy form.The raw material preparing is put into vaccum sensitive stove and is melted, and opens vavuum pump, and vacuum is 1.033 * 10
-3during Pa, open induction power supply melting, fusion temperature is 1300 ℃, clear rear insulation fusion 3 minutes.While pouring argon gas to 0.8 atmospheric pressure in vaccum sensitive stove, aluminium alloy is poured in the tundish of holding furnace, by its atomization in atomization bucket of leting slip a remark.Atomization adopts high pressure high pure nitrogen.The brazing filler metal alloy of atomization, by classifying device for powder classification, is made the solder powder of required granularity.Solder powder liquidus temperature is 980 ℃, 1025 ℃ of brazing temperatures.
Embodiment 2:
Percentage Cu20%, Cr7%, Fe8%, Si5%, B3.5% and nickel surplus accurately weigh various raw materials by weight, wherein Cu, Cr, Ni with electrolysis material add, Si with High Purity Polycrystalline state add, B and Fe add with Ni-B and Fe-B intermediate alloy form.The raw material preparing is put into vaccum sensitive stove and is melted, and opens vavuum pump, and vacuum is 1.033 * 10
-3during Pa, open induction power supply melting, fusion temperature is 1200 ℃, clear rear insulation fusion 5 minutes.While pouring argon gas to 0.6 atmospheric pressure in vaccum sensitive stove, aluminium alloy is poured in the tundish of holding furnace, by its atomization in atomization bucket of leting slip a remark.Atomization adopts high pressure high pure nitrogen.The brazing filler metal alloy of atomization, by classifying device for powder classification, is made the solder powder of required granularity.The fusion temperature curve that the synchronization discrepancy thermal analyzer of brazing filler metal alloy powder is measured as shown in Figure 1,1010 ℃ of brazing temperatures.The scanning pattern at braze welding diamond interface as shown in Figure 2, the compound energy spectrogram at braze welding diamond interface as shown in Figure 3.
Embodiment 3:
Percentage Cu25%, Cr6%, Fe12%, Si4%, B4% and nickel surplus accurately weigh various raw materials by weight, wherein Cu, Cr, Ni with electrolysis material add, Si with High Purity Polycrystalline state add, B and Fe add with Ni-B and Fe-B intermediate alloy form.The raw material preparing is put into vaccum sensitive stove and is melted, and opens vavuum pump, and vacuum is 1.033 * 10
-2during Pa, open induction power supply melting, fusion temperature is 1150 ℃, clear rear insulation fusion 6 minutes.While pouring argon gas to 0.5 atmospheric pressure in vaccum sensitive stove, aluminium alloy is poured in the tundish of holding furnace, by its atomization in atomization bucket of leting slip a remark.Atomization adopts high pressure high pure nitrogen.The brazing filler metal alloy of atomization, by classifying device for powder classification, is made the solder powder of required granularity.Brazing filler metal alloy powder liquidus temperature is 970 ℃, 1015 ℃ of brazing temperatures.
Above-described embodiment is used for the present invention that explains, rather than limits the invention, and in the protection domain of spirit of the present invention and claim, any modification and change that the present invention is made, all fall into protection scope of the present invention.
Claims (1)
1. for a preparation method for the Nickel Matrix Solder of diamond welding, it is characterized in that: the following Cu 15～25% of the raw material of percentage, Cr 6～8%, Si 3～6%, B 2～4%, Fe 6～12%, Ni surplus by weight; The raw material preparing is put into vaccum sensitive stove and is melted, and opens vavuum pump, and vacuum is 1.033 * 10
-2～1.033 * 10
-3during Pa, open induction power supply melting, 1150～1300 ℃ of fusion temperatures, clear rear insulation fusion 3～6 minutes, while pouring argon gas to 0.5～0.8 atmospheric pressure, aluminium alloy is poured into holding furnace, by the holding furnace atomization in atomization bucket of leting slip a remark, the solder alloy of atomization, by classifying device for powder classification, is made the solder powder of required granularity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210569334.1A CN103071945B (en) | 2012-12-25 | 2012-12-25 | Nickel-based solder used for welding diamond and preparation method for nickel-based solder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210569334.1A CN103071945B (en) | 2012-12-25 | 2012-12-25 | Nickel-based solder used for welding diamond and preparation method for nickel-based solder |
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| CN103071945A CN103071945A (en) | 2013-05-01 |
| CN103071945B true CN103071945B (en) | 2014-11-26 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104249225B (en) * | 2014-06-06 | 2017-12-26 | 上海中洲特种合金材料股份有限公司 | Nickel base superalloy welding powder, its preparation method and special equipment |
| CN104842088A (en) * | 2015-06-03 | 2015-08-19 | 浙江科技学院 | Nickel-based welding flux for braze welding on tube plate connectors and method for manufacturing nickel-based welding flux |
| CN112570928B (en) * | 2021-01-06 | 2022-09-16 | 长沙理工大学 | Doped CeSi 2 Ni-based brazing filler metal for alloy and brazed diamond thereof |
| CN112872524A (en) * | 2021-02-01 | 2021-06-01 | 百富新(北京)钻切材料有限公司 | Diamond saw blade welding method |
| CN114101970A (en) * | 2021-11-04 | 2022-03-01 | 杭州华光焊接新材料股份有限公司 | Nickel-based amorphous brazing filler metal strip and preparation method thereof |
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| US4198234A (en) * | 1972-11-10 | 1980-04-15 | Brico Engineering | Sintered metal articles |
| JPH0429817A (en) * | 1990-05-25 | 1992-01-31 | Hitachi Metals Ltd | Cylinder for molding machine and manufacture thereof |
| CN100431766C (en) * | 2006-01-18 | 2008-11-12 | 阴生毅 | Steel rail surface alloy layer welding method and its material |
| CN101571033B (en) * | 2009-05-26 | 2011-08-17 | 铁岭米勒石油新材料有限公司 | Polished sucker rod |
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