CN102814601A - Soldering flux for brazing diamond cemented carbide sand and preparation method for soldering flux - Google Patents
Soldering flux for brazing diamond cemented carbide sand and preparation method for soldering flux Download PDFInfo
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- CN102814601A CN102814601A CN2012100114499A CN201210011449A CN102814601A CN 102814601 A CN102814601 A CN 102814601A CN 2012100114499 A CN2012100114499 A CN 2012100114499A CN 201210011449 A CN201210011449 A CN 201210011449A CN 102814601 A CN102814601 A CN 102814601A
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- Prior art keywords
- oxide
- brazing
- soldering flux
- brazing flux
- diamond
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Links
- 238000005219 brazing Methods 0.000 title claims abstract description 58
- 230000004907 flux Effects 0.000 title claims abstract description 47
- 239000010432 diamond Substances 0.000 title claims abstract description 34
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 34
- 238000005476 soldering Methods 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims description 8
- 239000004576 sand Substances 0.000 title 1
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 5
- 150000001340 alkali metals Chemical group 0.000 claims abstract description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 23
- 239000000956 alloy Substances 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 abstract description 6
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 5
- 229910020261 KBF4 Inorganic materials 0.000 abstract description 2
- 239000004568 cement Substances 0.000 abstract 2
- 229910019408 CoWO4 Inorganic materials 0.000 abstract 1
- 229910021580 Cobalt(II) chloride Inorganic materials 0.000 abstract 1
- 229910004835 Na2B4O7 Inorganic materials 0.000 abstract 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 abstract 1
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 abstract 1
- 238000010008 shearing Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 description 16
- 239000002184 metal Substances 0.000 description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 16
- 229910000679 solder Inorganic materials 0.000 description 10
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 6
- 229910001573 adamantine Inorganic materials 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 238000003892 spreading Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910017938 Cu—Sn—Ti Inorganic materials 0.000 description 2
- 229910017945 Cu—Ti Inorganic materials 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007716 flux method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Abstract
The invention provides a soldering flux for brazing a diamond cement carbide. The soldering flux comprises the following components in percentage by weight: 12 to 33% of Na2B4O7, one or two of 5 to 14.8% of KBF4 and 2 to 12% of MF, wherein M is alkali metal, one or two of 0.5 to 10% of CoWO4 and 1 to 15% of CoCl2, one or two of 0.5 to 9% of an oxide of Mo, 0.5 to 5% of the oxide of Ni and 0.5 to 10% of the oxide of W, and the balance of H3BO3. The soldering flux for brazing the diamond cement carbide has a wide scope of application, and can be applied to brazing a cemented carbide such as Co, Mo and Ni and a diamond. Compared with conventional soldering flux, the soldering flux disclosed by the invention can increase an expanding area; a weld joint has a better appearance and high shearing strength, so that a brazing performance is improved.
Description
Technical field
The present invention relates to a kind of soldering and use brazing flux, be specifically related to a kind of diamond hard alloy soldering and use brazing flux.
Background technology
In natural materials; Diamond has the highest hardness, excellent abrasion resistance, low coefficient of friction, the highest thermal conductivity, extremely low thermal coefficient of expansion and high good characteristics such as chemical inertness; Be optimal smear metal or Heat Conduction Material, be widely used in industries such as machining, processing of stone and glass processing.Diamond and carbide quartz welding are the key technology difficult problems that the restriction diamond cutter is applied.At present, with the research of solder comparative maturity, adopt scolders such as Ag-Cu-Ti and Cu-Sn-Ti, but diamond and carbide quartz welding are with the report of brazing flux seldom about braze welding diamond more.Chinese patent 89100555 discloses a kind of diamond and carbide quartz welding is used brazing flux, and its composition is the KBF4 of 10-25%, the NaOH of 15-30%, the KF of 20-40%, the B of 20-30%
2O
3And the CoCl of 5-15%
2Chinese patent 90104321 discloses a kind of diamond brazing with solder and brazing flux, the consisting of of brazing flux: the H of 32-38%
3BO
3, the Na of 15-21%
2B
4O
7, MeF＜38% (Me=K+Na+Li), B powder+Si powder and C powder below 3%.At present, use QJ102 and silver-colored brazing flux FB101 more, FB102 and FB104, but brazing property is bad, and spreading area and shear strength are less than normal.
Summary of the invention
The object of the present invention is to provide a kind of diamond hard alloy soldering to use brazing flux, this usefulness brazing flux can increase spreading area enhanced shear intensity, improves brazing property.
To achieve these goals, the technical scheme of the present invention's employing is:
Brazing flux is used in a kind of diamond hard alloy soldering, is made up of the component of following percetage by weight:
The Na of 12-33%
2B
4O
7
The KBF of 5-14.8%
4, 2-12% MF in one or both, M is an alkali metal;
The CoWO of 0.5-10%
4, 1-15% CoCl
2In one or both;
In the oxide of the oxide of the oxide of the Mo of 0.5-9%, the Ni of 0.5-5%, the W of 0.5-10% one or both;
With, the H of surplus
3BO
3
Described alkali metal M is Li, Na or K.
A kind of diamond hard alloy soldering is with the preparation method of brazing flux, and step is following: get each component, drying; Each component is mixed, be ground to more than 200 orders, use with the water of each component sum equivalent and mix, get brazing flux.
Braze welding diamond of the present invention and carbide alloy are used brazing flux, and the scope of application is wide, can be used for carbide alloy such as Co, Mo, Ni and adamantine soldering and use brazing flux.With existing brazing flux contrast, the present invention can increase spreading area with brazing flux, and weld appearance is better, and the weld seam shear strength is high, improves brazing property.As stripper, KBF
4Or LiF/NaF/KF can dissolve carbide alloy and adamantine oxide-film and remove other impurity; As activating agent, H
3BO
3Dissolving that can the accelerated oxidation thing also makes solder have good wetability to the carbide alloy mother metal; As coverture, Na
2B
4O
7Can when soldering, form fine and close liquid film and be covered on carbide alloy mother metal and the solder, prevent that it is oxidized; CoWO
4Or CoCl
2Can prevent to bond mutually to the carbide alloy mother metal of Co takes off cobalt, and strengthen brazed seam intensity; CoWO
4Or the oxide of W, can prevent that the carbide alloy mother metal that contains W from taking off tungsten, influences the weld seam mechanical behavior under high temperature; The oxide of Mo and the oxide of Ni can prevent that the carbide alloy mother metal that contains Ni and Mo from taking off Mo and Ni, improve brazed seam intensity.
Brazing flux is used in diamond hard alloy soldering of the present invention, is suitable for adopting silver-base solder, copper base solder and nickel-based solder, can realize carbide alloy and adamantine good wet, and weld strength is high.
Brazing flux is used in diamond hard alloy soldering of the present invention, both has been fit to carbide alloy and adamantine soldering under 600 ℃ of-700 ℃ of temperature, is fit to 700 ℃ of-1100 ℃ of following carbide alloy and adamantine vacuum brazing again.
The specific embodiment
The present invention is done bright specifically below in conjunction with specific embodiment.
Embodiment 1: brazing flux is used in the diamond hard metal soldering of present embodiment, and is composed of the following components: the H of 60.5g
3B0
3, the Na of 12g
2B
4O
7, the CoCl of 1g
2, the KBF of 5g
4, the NaF of 12g, the Mo oxide of 9g, the oxide of the W of 0.5g.
The brazing flux preparation method is used in the soldering of diamond hard metal, and step is following: get H
3BO
3, Na
2B
4O
7, CoCl
2, KBF
4, NaF, Mo oxide and W oxide put into drying box respectively, under 200 ℃ of temperature dry 0.5-1 hour; Above-mentioned each component is mixed, put into more than ball mill grinding to 200 order, put into beaker, get 100ml distilled water and mix with it, get brazing flux.
Above-mentioned brazing flux is used to contain the C-6A carbide alloy and the vacuum brazing of CVD diamond of molybdenum, and vacuum is 1 * 10
-1～1 * 10
-3Pa, solder select the Ni-based scolder of BNi-2, and 1100 ℃ of brazing temperatures are incubated 30 minutes, can obtain the intensity height, the soldered fitting that weld seam is attractive in appearance.
Embodiment 2: brazing flux is used in the diamond hard metal soldering of present embodiment, and is composed of the following components: the H of 30g
3BO
3, the Na of 33g
2B
4O
7, the CoWO of 10g
4, the CoCl of 3g
2, the KBF of 9g
4, the KF of 2g, the Mo oxide of 2g, the Ni oxide of 1g, the oxide of the W of 10g.
The brazing flux preparation method is used in the soldering of diamond hard metal, and step is following: get H
3BO
3, Na
2B
4O
7, CoWO
4, CoCl
2, KBF
4, KF, Mo oxide, the oxide of Ni oxide and W put into respectively under 200 ℃ of temperature of drying box dry 0.5-1 hour; Above-mentioned each component is mixed, put into more than ball mill grinding to 200 order, put into beaker, get 100ml distilled water and mix with it, get brazing flux.
Above-mentioned brazing flux is used for YGl5 and CVD diamond in the air soldering, and scolder adopts the Ag-Cu-Ti scolder, and 680 ℃ of brazing temperatures be incubateds 5 minutes, can obtain wetting well, the soldered fitting of good appearance.
Embodiment 3: brazing flux is used in the diamond hard metal soldering of present embodiment, and is composed of the following components: the H of 53.7g
3BO
3, the Na of 20g
2B
4O
7, the CoWO of 4g
4, the KBF of 14.8g
4, the Mo oxide of 0.5g, the Ni oxide of 5g, the oxide of the W of 2g.
The brazing flux preparation method is used in the soldering of diamond hard metal, and step is following: get H
3BO
3, Na
2B
4O
7, CoWO
4, KBF
4, Mo oxide, the oxide of Ni oxide and W were put into respectively under 200 ℃ of temperature of drying box dry 0.5-1 hour; Above-mentioned each component is mixed, put into more than ball mill grinding to 200 order, put into beaker, get 100ml distilled water and mix with it, get brazing flux.
Above-mentioned brazing flux is used for NCF600 nickel-containing alloys steel and CVD is adamantine in vacuum brazing, and vacuum is 1 * 10
-1～1 * 10
-3Pa, solder select Cu-Sn-Ti copper parent metal, and 950 ℃ of brazing temperatures are incubated 40 minutes, can obtain high-quality soldered fitting.
Embodiment 4: brazing flux is used in the diamond hard metal soldering of present embodiment, and is composed of the following components: the H of 56g
3BO
3, the Na of 20g
2B
4O
7, the CoWO of 0.5g
4, the CoCl of 15g
2, the LiF of 5g, the Ni oxide of 0.5g, the oxide of the W of 3g.
The brazing flux preparation method is used in the soldering of diamond hard metal, and step is following: get H
3BO
3, Na
2B
4O
7, CoWO
4, CoCl
2, LiF, the oxide of Ni oxide and W put into respectively under 200 ℃ of temperature of drying box dry 0.5-1 hour; Above-mentioned each component is mixed, put into more than ball mill grinding to 200 order, put into beaker, get 100ml distilled water and mix with it, get brazing flux.
Above-mentioned brazing flux is used for YG20 Mo-contained alloy steel and the soldering under atmosphere of CVD diamond, and solder selects the silver soldering sheet stock, and 650 ℃ of brazing temperatures are incubated 15 minutes, can obtain high-quality soldered fitting.
Comparative Examples: selecting commercially available QJ201 for use is scaling powder, and mother metal is selected the YGl5 tungsten alloy for use, and scolder is selected the Ag28Cu0.5Ti scolder for use, and YGl5 and CVD diamond are carried out vacuum brazing, and vacuum is 1 * 10
-1～1 * 10
-3Pa, 900 ℃ of brazing temperatures, insulation 30min.
Whether the outward appearance of estimating each embodiment and Comparative Examples soldered fitting is complete and bright, sprawls the long-pending cutting performance that reaches of picture and measures according to national standard, and experimental result is as shown in table 1:
The performance of table 1 brazing flux
| Sequence number | Weld appearance | Spreading area (mm2) | Weld seam shear strength (MPa) |
| Comparative Examples | Better | 44.8 | 195.1 |
| Embodiment 1 | Good | 62.9 | 210.8 |
| Embodiment 2 | Fine | 76.1 | 239.5 |
| Embodiment 3 | Better | 52.52 | 199.7 |
| Embodiment 4 | Good | 65.3 | 223.3 |
Claims (3)
1. brazing flux is used in a diamond hard alloy soldering, it is characterized in that being made up of the component of following percetage by weight:
The Na of 12-33%
2B
4O
7
The KBF of 5-14.8%
4, 2-12% MF in one or both, M is an alkali metal;
The CoWO of 0.5-10%
4, 1-15% CoCl
2In one or both;
In the oxide of the oxide of the oxide of the Mo of 0.5-9%, the Ni of 0.5-5%, the W of 0.5-10% one or both; With, the H of surplus
3BO
3
2. brazing flux is used in a kind of diamond hard alloy soldering according to claim 1, it is characterized in that: alkali metal M is Li, Na or K.
3. the described diamond hard alloy soldering of claim 1 is characterized in that step is following: get each component, drying with the preparation method of brazing flux; Each component is mixed, be ground to more than 200 orders, use with the water of each component sum equivalent and mix, get brazing flux.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210011449.9A CN102814601B (en) | 2012-01-15 | 2012-01-15 | Soldering flux for brazing diamond cemented carbide sand and preparation method for soldering flux |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210011449.9A CN102814601B (en) | 2012-01-15 | 2012-01-15 | Soldering flux for brazing diamond cemented carbide sand and preparation method for soldering flux |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102814601A true CN102814601A (en) | 2012-12-12 |
| CN102814601B CN102814601B (en) | 2015-07-01 |
Family
ID=47299238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210011449.9A Active CN102814601B (en) | 2012-01-15 | 2012-01-15 | Soldering flux for brazing diamond cemented carbide sand and preparation method for soldering flux |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102814601B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043915A (en) * | 2014-07-09 | 2014-09-17 | 哈尔滨正德科技开发有限公司 | Method for preparing sandwich type composite brazing filler metal for hard alloy brazing |
| CN106270873A (en) * | 2016-08-31 | 2017-01-04 | 郑州机械研究所 | A kind of method for welding of hard alloy |
| CN106312371A (en) * | 2016-11-07 | 2017-01-11 | 株洲硬质合金集团有限公司 | Welding flux for large hard alloy cutter welding |
| CN106513895A (en) * | 2016-11-15 | 2017-03-22 | 张金水 | Tungsten alloy and diamond welding product and preparation method thereof |
| CN107252941A (en) * | 2017-06-22 | 2017-10-17 | 徐工集团工程机械有限公司 | The preparation method of thrower head |
| CN107598412A (en) * | 2017-10-16 | 2018-01-19 | 湖北亚科微钻有限公司 | A kind of soldering auxiliary agent and its welding method for wolfram steel plane-welding |
| CN110666392A (en) * | 2019-10-18 | 2020-01-10 | 郑州机械研究所有限公司 | Adhesive-free self-bonding silver-based solder paste and preparation method thereof |
| CN112453763A (en) * | 2020-12-03 | 2021-03-09 | 广东省石油化工职业技术学校 | Preparation method of diamond grinding tool |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043915A (en) * | 2014-07-09 | 2014-09-17 | 哈尔滨正德科技开发有限公司 | Method for preparing sandwich type composite brazing filler metal for hard alloy brazing |
| CN104043915B (en) * | 2014-07-09 | 2016-06-08 | 哈尔滨正德科技开发有限公司 | The carbide quartz welding preparation method of sandwich sandwich-type composite soldering |
| CN106270873A (en) * | 2016-08-31 | 2017-01-04 | 郑州机械研究所 | A kind of method for welding of hard alloy |
| CN106270873B (en) * | 2016-08-31 | 2019-10-29 | 郑州机械研究所有限公司 | A kind of method for welding of hard alloy |
| CN106312371A (en) * | 2016-11-07 | 2017-01-11 | 株洲硬质合金集团有限公司 | Welding flux for large hard alloy cutter welding |
| CN106312371B (en) * | 2016-11-07 | 2019-01-29 | 株洲硬质合金集团有限公司 | A kind of macrotype hard alloy cutter welding solder flux |
| CN106513895A (en) * | 2016-11-15 | 2017-03-22 | 张金水 | Tungsten alloy and diamond welding product and preparation method thereof |
| CN107252941A (en) * | 2017-06-22 | 2017-10-17 | 徐工集团工程机械有限公司 | The preparation method of thrower head |
| CN107598412A (en) * | 2017-10-16 | 2018-01-19 | 湖北亚科微钻有限公司 | A kind of soldering auxiliary agent and its welding method for wolfram steel plane-welding |
| CN107598412B (en) * | 2017-10-16 | 2020-05-08 | 湖北亚科微钻有限公司 | Brazing assistant for tungsten steel plane welding and welding method thereof |
| CN110666392A (en) * | 2019-10-18 | 2020-01-10 | 郑州机械研究所有限公司 | Adhesive-free self-bonding silver-based solder paste and preparation method thereof |
| CN112453763A (en) * | 2020-12-03 | 2021-03-09 | 广东省石油化工职业技术学校 | Preparation method of diamond grinding tool |
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