CN104646852A - Braze coating paste and application thereof - Google Patents
Braze coating paste and application thereof Download PDFInfo
- Publication number
- CN104646852A CN104646852A CN201410852245.7A CN201410852245A CN104646852A CN 104646852 A CN104646852 A CN 104646852A CN 201410852245 A CN201410852245 A CN 201410852245A CN 104646852 A CN104646852 A CN 104646852A
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- CN
- China
- Prior art keywords
- powder
- cream
- coated
- pricker
- diamond
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/302—Cu as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/36—Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
Abstract
The invention discloses a braze coating paste and application thereof. The braze coating paste preferably comprises 65 to 95wt% of a powdery braze material and an adhesive which is mixed with the powdery braze material to form a fluidic or pasty braze coating paste. The powdery braze material comprises 40 to 90wt% of diamond powder with the particle size of 5 to 1000 micrometers and the purity of greater than 99%, and braze powder which contains Cu and/or Ni serving as a base element as well as any more than two of Mn, Ti, Cr, Al, Sn and Fn serving as additional elements. The braze coating paste has excellent thixotropy, fluidness and certain viscosity, is free from compression molding in a use process, and can be directly injected to the surfaces of substrates such as a steel piece by virtue of an injection device; the braze coating paste can be used for brazing by use of a process same as that of the traditional braze material powder without using molds and pressure equipment, and the obtained brazed diamond tool has the advantages of favorable bonding strength, grinding force and service life, high rate of finished products, high material utilization ratio, high production efficiency and low production cost.
Description
Technical field
The present invention is specifically related to a kind of pricker and is coated with cream, its preparation method and application, belongs to diamond coating technique field.
Background technology
Hard brittle material, as common building materials such as stone material, glass, potteries, and the processing of the high-grade advanced engineering such as jewel, semiconductor, engineering ceramics, optical crystal, magnetic material, bioceramic and functional material, need the instrument adopting the abrasive material with more high rigidity to prepare, diamond, compared with other abrasive material, has high hardness, high relative wear resistance, thermal conductivity and compression strength.Therefore, diamond tool is the most frequently used instrument of the processing such as hard brittle material cutting, grinding.In the manufacturing process of metal binding agent diamond tool, soldering, sintering and plating are three kinds of topmost manufacture methods.In three kinds of methods, soldering processes are a kind of methods making diamond particles bond strength the highest, this is because brazing filler metal alloy melts and capillarity in brazing process, make the tight trapping gold hard rock of alloy, between diamond and brazing filler metal alloy, form strong chemical bond simultaneously, substantially increase cutting ability and the self-sharpening of instrument, be particularly suitable for High speed Pyrometer processing.
Conventional soldering processes, that the alkali cleaning of steel saw bit matrix, pickling are deoiled and oxide layer, again by the mixture cloth of diamond particles and solder powder on steel saw bit matrix, carrying out colding pressing with forming press is formed with the green compact of some strength, finally puts into vacuum brazing furnace and carries out soldering.CN102319934A discloses method for brazing and manufactures the production technology of diamond tool and the composition of brazing material powder, this type of brazing material powder is made up of nickel based metal powder and diamond particles, just soldering need can be carried out after compressing, but because diamond particles belongs to fragile material, in pressing process, not easily there is plastic deformation and cannot be engaged with neighboring particles, therefore green strength is not high, especially the saw blade of very thin diamond abrasive grain layer is required, higher requirement is proposed to the control of die mould and Design of Dies, in addition also often there is breakage when production line carries out material transfer in this green compact, these all result in raw-material waste and reduce yield rate.
Summary of the invention
Main purpose of the present invention is to provide a kind of pricker to be coated with cream, and it has excellent thixotropy and mobility, in use without the need to being pressed into green compact, can overcome the deficiencies in the prior art, and substitutes traditional powdery brazing material.
Another object of the present invention is to provide a kind of and prepare the method that described pricker is coated with cream.
Another object of the present invention is to provide described pricker to be coated with the application of cream.
For realizing aforementioned invention object, the technical solution used in the present invention comprises:
A kind of pricker is coated with cream, and it comprises:
Powdery brazing material, and
Bonding agent, in order to be mixed to form in flow-like with described powdery brazing material or the described pricker of paste is coated with cream;
Wherein, described powdery brazing material comprises:
Diamond dust, and
Brazing powder, Cu and/or Ni of element and two or more arbitrarily as in Mn, Ti, Cr, Al, Sn, Fe of Addition ofelements based on comprising.
As one of comparatively preferred embodiment, described pricker is coated with cream and is made up of powdery brazing material and bonding agent.
As one of comparatively preferred embodiment, described pricker is coated with cream and comprises 65-95wt% powdery brazing material.
As one of comparatively preferred embodiment, described powdery brazing material comprises 40wt%-90wt% bortz powder.
As one of comparatively preferred embodiment, the particle diameter of described bortz powder is 5-1000 micron, and purity is greater than 99%.
As one of comparatively preferred embodiment, described brazing powder comprises mixture and/or the alloyed powder of metal powder, mixture and/or the alloyed powder of described metal powder comprise: the alloyed powder of Cu 11-14wt%, Mn 18-25wt%, Ti 5-10wt%, Al 8-11wt%, Sn1-2.1wt%, remainder comprises Ni.
Particularly preferred, mixture and/or the alloyed powder of described metal powder comprise: the alloyed powder of Cu 11-14wt%, Mn 18-25wt%, Ti5-10wt%, Al 8-11wt%, Sn 1-2.1wt%, surplus is Ni.
As one of comparatively preferred embodiment, described brazing powder comprises the composition of any one or more in the first alloyed powder, the second alloyed powder, the 3rd alloyed powder, the 4th alloyed powder.
Further, described first alloyed powder comprises: Mn 0.5-10wt%, Ti 0.2-15wt%, remainder comprises Cu.Particularly preferred, described first alloyed powder comprises Mn 0.5-10wt%, Ti 0.2-15wt%, and surplus is Cu.
Further, described second alloyed powder comprises: Mn 0.5-10wt%, Cr 0.2-10wt%, remainder comprises Cu.Particularly preferred, described second alloyed powder comprises: Mn 0.5-10wt%, Cr 0.2-10wt%, and surplus is Cu.
Further, described 3rd alloyed powder comprises Sn 2-10wt%, Ni 0.2-8wt%, Cr 2-15wt%, and remainder comprises Cu.Particularly preferred, described 3rd alloyed powder comprises: Sn 2-10wt%, Ni 0.2-8wt%, Cr 2-15wt%, and surplus is Cu.
Further, described 4th alloyed powder comprises Sn 0.5-10wt%, Ni 0.2-15wt%, Ti 0.2-5wt%, and remainder comprises Cu.Particularly preferred, described 4th alloyed powder comprises Sn 0.5-10wt%, Ni 0.2-15wt%, Ti 0.2-5wt%, and surplus is Cu.
As one of comparatively preferred embodiment, described brazing powder comprises the mixture of metal powder, and the mixture of described metal powder comprises Cu powder 72-98wt%, Ni powder 0.5-15wt%, Fe powder 0.1-4wt%, Mn powder 0.2-4wt%, Cr powder 0.5-5wt%.
It should be noted that, the powder of alloyed metal (AM) that the two or more metal of alloyed powder system more than addressed or nonmetalloid are atomized by melting or the means such as diffusion obtain, but not the simple mixing of several element powders.
As one of comparatively preferred embodiment, described bonding agent comprises 50%-98wt% solvent, 0.5-8wt% thickener, 0.2-35wt% rheological agent, 0.1-5wt% defoamer and activator.
Further, described solvent at least can preferably from but be not limited in deionized water, diethylene glycol monoethyl ether, dipropylene glycol monomethyl ether, 1,2-PD, ethyl carbitol, ethylene glycol any one or more.
Further, described thickener can preferably from but be not limited in HES, hydroxypropul starch, methyl acrylate, polymethyl methacrylate, CMS, hydroxyethylcellulose, ethylhydroxyethylcellulose, dibutyl phthalate, epoxy resin, chitin, guar gum, xanthans, Arabic gum, locust bean gum any one or more.
Further, described rheological agent can preferably from but be not limited in rilanit special, glycerine, stearic acid, salicylamide any one or more.
Further, described defoamer and activator can preferably from but be not limited in acetylenic glycols, benzo three nitrogen file, silicone oil, mineral oil, vegetable oil any one or more.
Further, described pricker is coated with the viscosity of cream is 30000-150000cps.
Any one pricker aforementioned is coated with the preparation method of cream, comprising:
1) brazing powder and bortz powder are carried out Homogeneous phase mixing in batch mixer, make powdery brazing material;
2) thickener, rheological agent, defoamer and activator are added in solvent, stir and form uniform bonding agent;
3) powdery brazing material is added in bonding agent stir, obtain described pricker and be coated with cream.
Any one pricker aforementioned is coated with cream in preparing the application in diamond material or diamond tool.
A kind of diamond tool, it diamond layer comprising matrix and be incorporated into matrix surface, described diamond layer is coated with cream soldering primarily of any one pricker aforesaid and is formed.
Further, described diamond tool comprises diamond saw blade.
Present invention also offers the preparation method of described diamond tool, it comprises:
At least select injection system described pricker to be coated with cream and put on matrix surface formation blank;
And, described blank is carried out soldering in vacuum environment or protective atmosphere, forms described diamond tool.
Such as, in an exemplary embodiments, a kind of preparation method of diamond saw blade can comprise: pricker is coated with cream and loads injection device (such as, point gum machine or paste distributor) in, by injection device, lotion shape is on demand injected in steel saw blade substrate surface, to send in vacuum drying oven or atmosphere protection stove containing this saw blade blank again, adopt technique (the brazing temperature 850-1150 DEG C that conventional powder soldering is identical, time is no more than 60min) carry out soldering, wherein, because adopted bonding agent volatilized completely in low temperature (less than 300 DEG C) time, therefore, after soldering, piece surface is except diamond abrasive and brazing metal, other impurity can not be remained.
Compared with prior art, advantage of the present invention comprises: provide a kind of novel paste soldering material (hereinafter referred to as " pricker painting cream "), it has excellent thixotropy, mobility and certain viscosity, in use without the need to compressing, directly can be injected in the matrix surfaces such as steel part by injection device, and without the need to mould and press device, and the technique identical with conventional solder material powder can be utilized to carry out soldering, and obtain brazed diamond tool there is good bond strength, grinding force and service life, yield rate is high, material use is high, production efficiency is high, production cost is low.
Detailed description of the invention
Below in conjunction with the technical solution of the present invention is further explained the explanation of some embodiments.
Embodiment 1-6 is coated with cream according to the configuration of composition table 1 Suo Shi pricker.
The pricker configured in embodiment 1-6 is coated with cream and is injected in steel saw blade substrate surface with point gum machine or paste distributor shape on demand, to send in vacuum drying oven or atmosphere protection stove containing this saw blade blank again, adopt technique (the brazing temperature 850-1150 DEG C that conventional powder soldering is identical, time is no more than 60min) carry out soldering, wherein, because adopted bonding agent volatilized completely in low temperature (less than 300 DEG C) time, therefore, after soldering, piece surface is except diamond abrasive and brazing metal, metallic luster is obvious, remain without black carbon compound, also other impurity can not be remained, obtain multiple diamond saw blade finished product (being called for short " embodiment product ").
Each powdery brazing material in reference examples 1-6 Example 1-6 directly as solder, and makes multiple diamond saw flake products (being called for short " reference examples product ") with reference to the mode that CN102319934A provides.
Same way is adopted to test the performance of embodiment product and reference examples product respectively, can find, in embodiment product, the bond strength of diamond layer and substrate is substantially all better than reference examples product, and the grinding force of embodiment product and service life also exceed reference examples product.In addition, the yield rate of embodiment product is about 99.8%, and the yield rate of reference examples product is about 98%.
It should be pointed out that the above the specific embodiment of the present invention, do not form limiting the scope of the present invention.Any various other done by technical conceive of the present invention change and distortion accordingly, all should be included in the protection domain of the claims in the present invention.
In table 1 embodiment 1-6, pricker is coated with the composition of cream
Claims (10)
1. pricker is coated with a cream, it is characterized in that comprising:
Powdery brazing material, and
Bonding agent, in order to be mixed to form in flow-like with described powdery brazing material or the described pricker of paste is coated with cream;
Wherein, described powdery brazing material comprises:
Diamond dust, and
Brazing powder, Cu and/or Ni of element and two or more arbitrarily as in Mn, Ti, Cr, Al, Sn, Fe of Addition ofelements based on comprising.
2. pricker according to claim 1 is coated with cream, it is characterized in that described pricker is coated with cream and comprises 65-95wt% powdery brazing material.
3. pricker according to claim 1 and 2 is coated with cream, and it is characterized in that described powdery brazing material comprises 40wt%-90wt% bortz powder, and the particle diameter of described bortz powder is 5-1000 microns, purity is greater than 99%.
4. pricker according to claim 1 and 2 is coated with cream, it is characterized in that described brazing powder comprises:
The mixture of metal powder and/or alloyed powder, comprise: the alloyed powder of Cu 11-14wt%, Mn 18-25wt%, Ti 5-10wt%, Al 8-11wt%, Sn 1-2.1wt%, and remainder comprises Ni;
Or, the composition of any one or more in the first alloyed powder, the second alloyed powder, the 3rd alloyed powder, the 4th alloyed powder, wherein,
First alloyed powder, comprises: Mn 0.5-10wt%, Ti 0.2-15wt%, and remainder comprises Cu,
Second alloyed powder, comprises: Mn 0.5-10wt%, Cr 0.2-10wt%, and remainder comprises Cu,
3rd alloyed powder, comprises: Sn 2-10wt%, Ni 0.2-8wt%, Cr 2-15wt%, and remainder comprises Cu,
4th alloyed powder, comprises: Sn 0.5-10wt%, Ni 0.2-15wt%, Ti 0.2-5wt%, and remainder comprises Cu;
Or the mixture of metal powder, comprises: Cu powder 72-98wt%, Ni powder 0.5-15wt%, Fe powder 0.1-4wt%, Mn powder 0.2-4wt%, Cr powder 0.5-5wt%.
5. pricker according to claim 1 is coated with cream, it is characterized in that described bonding agent comprises 50%-98wt% solvent, 0.5-8wt% thickener, 0.2-35wt% rheological agent, 0.1-5wt% defoamer and activator;
Wherein, described solvent is at least selected from any one in deionized water, diethylene glycol monoethyl ether, dipropylene glycol monomethyl ether, 1,2-PD, ethyl carbitol, ethylene glycol;
Described thickener is at least selected from any one in HES, hydroxypropul starch, methyl acrylate, polymethyl methacrylate, CMS, hydroxyethylcellulose, ethylhydroxyethylcellulose, dibutyl phthalate, epoxy resin, chitin, guar gum, xanthans, Arabic gum, locust bean gum;
Described rheological agent is at least selected from any one in rilanit special, glycerine, stearic acid, salicylamide;
Described defoamer and activator are at least selected from any one in acetylenic glycols, benzo three nitrogen file, silicone oil, mineral oil, vegetable oil.
6. pricker according to claim 1 is coated with cream, it is characterized in that the viscosity of described pricker painting cream is 30000-150000cps.
7. pricker according to any one of claim 1-6 is coated with cream in preparing the application in diamond material or diamond tool.
8. a diamond tool, is characterized in that the diamond layer comprising matrix and be incorporated into matrix surface, and described diamond layer is coated with cream soldering primarily of the pricker according to any one of claim 1-6 and is formed.
9. diamond tool according to claim 8, is characterized in that it comprises diamond saw blade.
10. the preparation method of diamond tool described in claim 8 or 9, is characterized in that comprising:
At least select injection system the pricker according to any one of claim 1-6 to be coated with cream and put on matrix surface formation blank;
And, described blank is carried out soldering in vacuum environment or protective atmosphere, forms described diamond tool.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410852245.7A CN104646852B (en) | 2014-12-31 | 2014-12-31 | Pricker applies cream and its application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410852245.7A CN104646852B (en) | 2014-12-31 | 2014-12-31 | Pricker applies cream and its application |
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| CN104646852A true CN104646852A (en) | 2015-05-27 |
| CN104646852B CN104646852B (en) | 2017-06-23 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171274A (en) * | 2015-09-15 | 2015-12-23 | 铜陵新鑫焊材有限公司 | Formula for brazing flux of copper welding rod |
| CN106545578A (en) * | 2015-09-23 | 2017-03-29 | 天津职业技术师范大学 | A kind of TC bearings and its manufacture method |
| CN107186385A (en) * | 2017-07-31 | 2017-09-22 | 安徽华众焊业有限公司 | A kind of silverless Cu-base soldering material |
| CN107326364A (en) * | 2017-06-02 | 2017-11-07 | 泉州众志金刚石工具有限公司 | A kind of Cu Sn Ti diamond brazing coating and preparation method thereof |
| CN107486553A (en) * | 2016-06-12 | 2017-12-19 | 苏州铜宝锐新材料有限公司 | Aluminium cream and its application |
| CN108032003A (en) * | 2017-11-29 | 2018-05-15 | 温州宏丰电工合金股份有限公司 | It is a kind of for Cu-Sn-Ti solder powders into lotion |
| CN108080812A (en) * | 2017-11-29 | 2018-05-29 | 温州宏丰电工合金股份有限公司 | A kind of preparation method into lotion for Cu-Sn-Ti solder powders |
| CN110508804A (en) * | 2019-09-27 | 2019-11-29 | 郑州机械研究所有限公司 | A kind of pricker applies cream and its preparation method and application |
| CN111037021A (en) * | 2020-01-13 | 2020-04-21 | 郑州机械研究所有限公司 | Resistance brazing method for shield machine cutter |
| CN111687509A (en) * | 2020-06-24 | 2020-09-22 | 禹州七方超硬材料制品有限公司 | Vacuum brazing diamond compound and method for manufacturing tool multi-layer brazing |
| CN113478039A (en) * | 2021-08-24 | 2021-10-08 | 华北水利水电大学 | Water turbine blade braze coating repairing method |
| CN114178738A (en) * | 2021-12-08 | 2022-03-15 | 浙江亚通焊材有限公司 | Active solder for brazing ceramic and stainless steel and solder paste |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171274A (en) * | 2015-09-15 | 2015-12-23 | 铜陵新鑫焊材有限公司 | Formula for brazing flux of copper welding rod |
| CN106545578A (en) * | 2015-09-23 | 2017-03-29 | 天津职业技术师范大学 | A kind of TC bearings and its manufacture method |
| CN107486553B (en) * | 2016-06-12 | 2019-08-02 | 苏州铜宝锐新材料有限公司 | Aluminium cream and its application |
| CN107486553A (en) * | 2016-06-12 | 2017-12-19 | 苏州铜宝锐新材料有限公司 | Aluminium cream and its application |
| CN107326364A (en) * | 2017-06-02 | 2017-11-07 | 泉州众志金刚石工具有限公司 | A kind of Cu Sn Ti diamond brazing coating and preparation method thereof |
| CN107326364B (en) * | 2017-06-02 | 2023-08-11 | 泉州众志金刚石工具有限公司 | Cu-Sn-Ti diamond brazing coating and preparation method thereof |
| CN107186385A (en) * | 2017-07-31 | 2017-09-22 | 安徽华众焊业有限公司 | A kind of silverless Cu-base soldering material |
| CN108080812B (en) * | 2017-11-29 | 2020-12-11 | 温州宏丰电工合金股份有限公司 | Preparation method of paste forming body for Cu-Sn-Ti solder powder |
| CN108032003B (en) * | 2017-11-29 | 2020-12-11 | 温州宏丰电工合金股份有限公司 | Paste forming body for Cu-Sn-Ti solder powder |
| CN108080812A (en) * | 2017-11-29 | 2018-05-29 | 温州宏丰电工合金股份有限公司 | A kind of preparation method into lotion for Cu-Sn-Ti solder powders |
| CN108032003A (en) * | 2017-11-29 | 2018-05-15 | 温州宏丰电工合金股份有限公司 | It is a kind of for Cu-Sn-Ti solder powders into lotion |
| CN110508804A (en) * | 2019-09-27 | 2019-11-29 | 郑州机械研究所有限公司 | A kind of pricker applies cream and its preparation method and application |
| CN111037021A (en) * | 2020-01-13 | 2020-04-21 | 郑州机械研究所有限公司 | Resistance brazing method for shield machine cutter |
| CN111037021B (en) * | 2020-01-13 | 2021-01-05 | 郑州机械研究所有限公司 | Resistance brazing method for shield machine cutter |
| CN111687509A (en) * | 2020-06-24 | 2020-09-22 | 禹州七方超硬材料制品有限公司 | Vacuum brazing diamond compound and method for manufacturing tool multi-layer brazing |
| CN113478039A (en) * | 2021-08-24 | 2021-10-08 | 华北水利水电大学 | Water turbine blade braze coating repairing method |
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Effective date of registration: 20180712 Address after: 215000 No. 88 Zhen Bei Road, Tongan Zhen, hi tech Zone, Suzhou, Suzhou, Jiangsu Patentee after: Suzhou copper Rui Rui Technology Co., Ltd. Address before: 215000 110A room, A4 110A, biological nano Park, No. 218 Xing Hu Street, Suzhou Industrial Park, Jiangsu. Patentee before: Suzhou Tong Baorui new material Co., Ltd |