CN206966902U - A kind of Cu Ag Ti diamond brazing coating - Google Patents
A kind of Cu Ag Ti diamond brazing coating Download PDFInfo
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- CN206966902U CN206966902U CN201720636896.1U CN201720636896U CN206966902U CN 206966902 U CN206966902 U CN 206966902U CN 201720636896 U CN201720636896 U CN 201720636896U CN 206966902 U CN206966902 U CN 206966902U
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Abstract
The utility model discloses a kind of Cu Ag Ti diamond brazing coating, including titanium layer, the copper coating of silvering and attachment on the diamond, silvering is between copper coating and titanium layer.The utility model is high with diamond interface bond strength, and the diamond and other bonding materials sintering for coating cored solder coating have more preferable adhesion.
Description
Technical field
It the utility model is related to the diamond brazing coating of Cu-Ag-Ti a kind of.
Background technology
The high rigidity and desirable physical mechanical performance of diamond cause diamond tool turns into process various stiff materials not
The effective tool that can lack.Carcass Metal Substrate is to influence diamond tool to make on the caking property (the plating ability of carcass) of diamond
With one of principal element of life-span and performance.
Due to having very high interface energy between diamond and common metal and alloy, it can not be one to cause diamond particles
As low-melting alloy infiltrated, caking property extreme difference.In traditional metal base firing diamond tool manufacturing technology, diamond
Caused mechanical clamping force is embedded in carcass Metal Substrate after grain only leans on carcass shrinkage, without formed firm chemical bonded refractory or
Metallurgical binding, carcass are combined loosely with diamond interface, are caused diamond particles easily to be separated at work with carcass Metal Substrate, are deposited
Largely come off problem in diamond, greatly reduce life-span and the performance level of diamond tool.In most of impregnated type instrument
The utilization rate of diamond is relatively low, and a large amount of expensive diamonds come off at work to be lost among scrap.
Increase metal coating in diamond surface, coming off for diamond can be effectively improved, at present using most common metal
Coating is in the micro- evaporation titanizing of diamond surface.Because titanium coating is too thin, it is impossible to keep out carcass graphite element in sintering process
Erosion to diamond, causes that bond strength between titanium coating and diamond and carcass metal interface is not high, and diamond drop-off shows
As still more serious.
At present, make diamond (or cubic boron nitride) instrument with method for brazing to have started to turn into hot spot technology, cored solder is
Refer to the alloy formed by metal sinterings such as copper and tin titaniums, it is powdery or sheet；Cored solder is put into carcass metal when use
On, then diamond is put into cored solder, then heat-agglomerating is carried out, diamond is just tied on carcass metal.
Cored solder is fine to diamond surface wetability, high with diamond interface bond strength, and cored solder is made coating,
Should be able to solve the problems, such as diamond drop-off well, but how cored solder be made coating, there is presently no do well
Method.
Therefore, the present inventor makes further research to this, develops the diamond brazing coating of Cu-Ag-Ti a kind of, this case
Thus produce.
Utility model content
Technical problem to be solved in the utility model is the diamond brazing coating for providing a kind of Cu-Ag-Ti, with gold
Hard rock interface bond strength is high, and the diamond and other bonding materials sintering for coating cored solder coating have more preferable adhesion.
In order to solve the above technical problems, technical solution of the present utility model is：
The diamond brazing coating of Cu-Ag-Ti a kind of, including titanium layer, the copper coating of silvering and attachment on the diamond,
Silvering is between copper coating and titanium layer.
Further, diamond is 45-50 mesh.
After such scheme, because the utility model with electric plating method first in diamond surface plates layers of copper and silver
Layer, then the diamond plated and titanium valve mixed sintering, just obtained Cu-Ag-Ti diamond brazing material coating, passed through bending resistance
Strength test shows：It is bigger than the standard bulk strength sintered with Ti-coated diamond with the calibrated bolck of cored solder coating diamond sintering.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Label declaration
The titanium layer 4 of 1 copper coating of diamond, 2 silvering 3
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.Disclosed in the utility model is
A kind of diamond brazing coating of Cu-Ag-Ti, as shown in figure 1, be preferred embodiment of the present utility model, including titanium layer 4, silver
Coating 3 and copper coating 2.Copper coating 2 is attached on diamond 1, and silvering 3 is between copper coating 2 and titanium layer 4.
In the present embodiment, using the diamond 1 of 45-50 mesh.First on the surface of diamond 1, plated by electroless copper method
Copper coating 2, then, it is put into chemical silvering solution, plates silvering 3, then the diamond plated and titanium valve mixed sintering, shape
Into titanium layer 4, Cu-Ag-Ti diamond brazing material coating has just been obtained.After the utility model, pass through bending strength test
Show：It is bigger than the standard bulk strength sintered with Ti-coated diamond with the calibrated bolck of cored solder coating diamond sintering.
The utility model is directly to do cored solder coating in diamond surface, and one layer of cored solder is done in diamond surface,
When use, the diamond and bonding material for having cored solder coating are mixed, hot pressed sintering is blocking, makes the knife on saw blade
Head.Diamond interface bond strength of the present utility model is high, and the diamond for coating Cu-Ag-Ti cored solder coating is viscous with other
Splicing sintering has more preferable adhesion, can solve the problems, such as diamond drop-off well.
It is described above, only it is preferred embodiment of the present utility model, not technical scope of the present utility model is made
Any restrictions, therefore the change or modification done in every case according to claim of the present utility model and specification, should all belong to this practicality
Within the scope of new patent is covered.
Claims (2)
- A kind of 1. diamond brazing coating of Cu-Ag-Ti, it is characterised in that：Including titanium layer, silvering and attachment on the diamond Copper coating, silvering is between copper coating and titanium layer.
- A kind of 2. Cu-Ag-Ti according to claim 1 diamond brazing coating, it is characterised in that：Diamond is 45- 50 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720636896.1U CN206966902U (en) | 2017-06-02 | 2017-06-02 | A kind of Cu Ag Ti diamond brazing coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720636896.1U CN206966902U (en) | 2017-06-02 | 2017-06-02 | A kind of Cu Ag Ti diamond brazing coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206966902U true CN206966902U (en) | 2018-02-06 |
Family
ID=61410849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720636896.1U Active CN206966902U (en) | 2017-06-02 | 2017-06-02 | A kind of Cu Ag Ti diamond brazing coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206966902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107385439A (en) * | 2017-06-02 | 2017-11-24 | 泉州众志金刚石工具有限公司 | A kind of Cu Ag Ti diamond brazing coating and its preparation method |
-
2017
- 2017-06-02 CN CN201720636896.1U patent/CN206966902U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107385439A (en) * | 2017-06-02 | 2017-11-24 | 泉州众志金刚石工具有限公司 | A kind of Cu Ag Ti diamond brazing coating and its preparation method |
| CN107385439B (en) * | 2017-06-02 | 2023-10-17 | 泉州众志金刚石工具有限公司 | Cu-Ag-Ti diamond brazing coating and preparation method thereof |
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