CN102392231A - Method for coating membranes on artificial diamond particles - Google Patents
Method for coating membranes on artificial diamond particles Download PDFInfo
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- CN102392231A CN102392231A CN2011102921549A CN201110292154A CN102392231A CN 102392231 A CN102392231 A CN 102392231A CN 2011102921549 A CN2011102921549 A CN 2011102921549A CN 201110292154 A CN201110292154 A CN 201110292154A CN 102392231 A CN102392231 A CN 102392231A
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Abstract
The invention relates to a method for coating membranes on artificial diamond particles, in particular to a method for coating nickel-phosphorus alloy membranes on artificial diamond particles for a cutter head of a diamond circular cutting saw blade through chemical deposition. The method comprises the following steps of: deoiling, sensitizing and activating the diamond particles, and plating nickel-phosphorus alloy by using a chemical method to obtain the diamond particles of which the surfaces are coated with the nickel-phosphorus alloy membranes. By the method for coating the membranes on the artificial diamond particles, the cutting life of the cutter head of the diamond circular cutting saw blade is prolonged greatly, and the production cost is reduced; and the artificial diamond particles are coated with the membranes, the cost is low, the pollution is light, and the method is easy to operate and master.
Description
Technical field
The present invention relates to a kind of method, be specifically related to a kind of diamond circle of handling and cut the used man-made diamond particulate of saw blade tip, the man-made diamond particulate is carried out the method for electroless plating overlay film nickel-phosphor alloy man-made diamond particulate overlay film.
Background technology
Domestic existing diamond circle is cut saw blade, and tool bit abrasion is fast in use, and cutting effect is poor.Through analyzing, cause the reason of tool bit abrasion to be mostly that the man-made diamond particulate in the cutter head batching comes off, so that there is not the cutting ability of fine performance diamond particle.And external sophisticated diamond circle to cut the major cause that saw blade tip lost efficacy be the wearing and tearing of man-made diamond particulate, in wear process, brought into play the performance of man-made diamond particulate high firmness, high-wearing feature preferably.Can know that from pertinent data abroad in cutter head compacting, when firing, adopts means such as laser sintered, with the cohesive force of raising man-made diamond particulate in the cutter head carcass, it is high that its throwing is processed, complicated operation.The present invention adopts the simple chemical treatment method, improved the man-made diamond particulate intensity, hardness and with the cohesive force of carcass, significantly improved the work-ing life that the diamond circle is cut saw blade tip, cost of investment is low, and is easy to operate.
Summary of the invention
The objective of the invention is provides a kind of method to man-made diamond particulate overlay film in order to improve the bounding force of man-made diamond particulate and cutter head carcass.
According to the technical scheme that provides of the present invention: a kind of method to man-made diamond particulate overlay film, formula rate step by weight is following:
(1) deoils: get the man-made diamond particulate, clean with acetone soln and deoil;
(2) sensitization:
A, configuration sensitizing solution: get tin protochloride and be dissolved in the hydrochloric acid, using distilled water diluting to tin protochloride concentration again is 10～15g/L; It is concentrated hydrochloric acid 39～41mL of 37.5% that being configured to of this hydrochloric acid got mass concentration, is settled to 1L with zero(ppm) water;
B, sensitization: the man-made diamond particulate after will deoiling is used the sensitized solution submergence, constantly stir, behind 3～5min with its taking-up; With the cold water flush 2～3min that flows, Air drying;
(3) activation:
A, configuration activated solution: get palladium chloride and be dissolved in the hydrochloric acid, fully stir, dissolving is even, and using distilled water diluting to palladium chloride concentration is 0.5～1g/L; It is concentrated hydrochloric acid 9～11mL of 37.5% that being configured to of this hydrochloric acid got mass concentration, is settled to 1L with zero(ppm) water;
B, activation: the man-made diamond particulate of getting after step (2) gained sensitization is handled is used the activated solution submergence, takes out behind stirring at normal temperature 3～5min; With the cold water flush 2～3min that flows, Air drying;
(4) chemical method nickel plating-phosphorus alloy:
A, configuration solution: with zero(ppm) water is solvent, and configuration pH is 4.1～4.6 solution, and solute is the six hydration nickel sulfate of 28～32g/L, the inferior sodium phosphate of 23～27g/L, the two hydration Trisodium Citrates of 18～22g/L and the sodium acetate of 8～12g/L;
B, chemical method alloy plating: the man-made diamond particulate lay of getting after step (3) the gained activation is online in stainless steel filament; The stainless steel filament net is immersed in the above-mentioned solution; Guarantee that diamond particle has only the below to touch solution, be warming up to 84～86 ℃, reaction 40～60min; Behind tap water flushing 2～3min, Air drying promptly gets the surperficial diamond particle that covers the nickel-phosphor alloy film.
The inferior sodium phosphate, 20g/L two hydration Trisodium Citrates and the 10g/L sodium acetate that contain 30g/L six hydration nickel sulfate, 25g/L in the said solution of step (4).
Said stainless steel filament net mesh diameter guarantee that diamond particle does not drop from mesh.
Diamond particle thickness 10～15 μ m of nickel-phosphor alloy film are covered on said surface.
After said man-made diamond particulate disposed, the common process of cutting saw blade tip according to the diamond circle diamond circle that carries out getting product after recipe configuration, mixing, compacting, sintering, the welding was cut saw blade tip.
Beneficial effect of the present invention: the man-made diamond particulate overlay film treatment process that the present invention adopted has significantly improved the working durability that the diamond circle is cut saw blade tip; Reduced production cost, man-made diamond particulate overlay film is handled, and cost is low, pollution is little; Simple to operate, easy master.
Embodiment
The pharmaceutical chemicals that the present invention adopted is all available from market, and is chemical analysis (C.P) level.
Embodiment 1
A kind of method to man-made diamond particulate overlay film, formula rate step by weight is following:
(1) deoils: get the man-made diamond particulate, clean with acetone soln and deoil;
(2) sensitization:
A, configuration sensitizing solution: get tin protochloride and be dissolved in the hydrochloric acid, use distilled water diluting to tin protochloride concentration to be 10g/L again; It is 37.5% concentrated hydrochloric acid 39mL that being configured to of this hydrochloric acid got mass concentration, is settled to 1L with zero(ppm) water;
B, sensitization: the man-made diamond particulate after will deoiling is used the sensitized solution submergence, constantly stir, behind the 3min with its taking-up; With the cold water flush 2min that flows, Air drying;
(3) activation:
A, configuration activated solution: get palladium chloride and be dissolved in the hydrochloric acid, fully stir, dissolving evenly uses distilled water diluting to palladium chloride concentration to be 0.5g/L; It is 37.5% concentrated hydrochloric acid 9mL that being configured to of this hydrochloric acid got mass concentration, is settled to 1L with zero(ppm) water;
B, activation: the man-made diamond particulate of getting after step (2) gained sensitization is handled is used the activated solution submergence, takes out behind the stirring at normal temperature 3min; With the cold water flush 2min that flows, Air drying;
(4) chemical method nickel plating-phosphorus alloy:
A, configuration solution: with zero(ppm) water is solvent, and configuration pH is 4.1 solution, and solute is the six hydration nickel sulfate of 28g/L, the inferior sodium phosphate of 23g/L, the two hydration Trisodium Citrates of 18g/L and the sodium acetate of 8g/L;
B, chemical method alloy plating: the man-made diamond particulate lay of getting after step (3) the gained activation is online in stainless steel filament; The stainless steel filament net is immersed in the above-mentioned solution; Guarantee that diamond particle has only the below to touch solution, be warming up to 84 ℃, reaction 40min; Behind tap water flushing 2min, Air drying promptly gets the surperficial diamond particle that covers the nickel-phosphor alloy film.
Embodiment 2
A kind of method to man-made diamond particulate overlay film, formula rate step by weight is following:
(1) deoils: get the man-made diamond particulate, clean with acetone soln and deoil;
(2) sensitization:
A, configuration sensitizing solution: get tin protochloride and be dissolved in the hydrochloric acid, use distilled water diluting to tin protochloride concentration to be 15g/L again; It is 37.5% concentrated hydrochloric acid 41mL that being configured to of this hydrochloric acid got mass concentration, is settled to 1L with zero(ppm) water;
B, sensitization: the man-made diamond particulate after will deoiling is used the sensitized solution submergence, constantly stir, behind the 5min with its taking-up; With the cold water flush 3min that flows, Air drying;
(3) activation:
A, configuration activated solution: get palladium chloride and be dissolved in the hydrochloric acid, fully stir, dissolving evenly uses distilled water diluting to palladium chloride concentration to be 1g/L; It is 37.5% concentrated hydrochloric acid 11mL that being configured to of this hydrochloric acid got mass concentration, is settled to 1L with zero(ppm) water;
B, activation: the man-made diamond particulate of getting after step (2) gained sensitization is handled is used the activated solution submergence, takes out behind the stirring at normal temperature 5min; With the cold water flush 3min that flows, Air drying;
(4) chemical method nickel plating-phosphorus alloy:
A, configuration solution: with zero(ppm) water is solvent, and configuration pH is 4.6 solution, and solute is the six hydration nickel sulfate of 32g/L, the inferior sodium phosphate of 27g/L, the two hydration Trisodium Citrates of 22g/L and the sodium acetate of 12g/L;
B, chemical method alloy plating: the man-made diamond particulate lay of getting after step (3) the gained activation is online in stainless steel filament; The stainless steel filament net is immersed in the above-mentioned solution; Guarantee that diamond particle has only the below to touch solution, be warming up to 86 ℃, reaction 60min; Behind tap water flushing 3min, Air drying promptly gets the surperficial diamond particle that covers the nickel-phosphor alloy film.
Embodiment 3
A kind of method to man-made diamond particulate overlay film, formula rate step by weight is following:
(1) deoils: get the man-made diamond particulate, clean with acetone soln and deoil;
(2) sensitization:
A, configuration sensitizing solution: get tin protochloride and be dissolved in the hydrochloric acid, use distilled water diluting to tin protochloride concentration to be 12g/L again; It is 37.5% concentrated hydrochloric acid 40mL that being configured to of this hydrochloric acid got mass concentration, is settled to 1L with zero(ppm) water;
B, sensitization: the man-made diamond particulate after will deoiling is used the sensitized solution submergence, constantly stir, behind the 4min with its taking-up; With the cold water flush 3min that flows, Air drying;
(3) activation:
A, configuration activated solution: get palladium chloride and be dissolved in the hydrochloric acid, fully stir, dissolving evenly uses distilled water diluting to palladium chloride concentration to be 0.8g/L; It is 37.5% concentrated hydrochloric acid 10mL that being configured to of this hydrochloric acid got mass concentration, is settled to 1L with zero(ppm) water;
B, activation: the man-made diamond particulate of getting after step (2) gained sensitization is handled is used the activated solution submergence, takes out behind the stirring at normal temperature 5min; With the cold water flush 3min that flows, Air drying;
(4) chemical method nickel plating-phosphorus alloy:
A, configuration solution: with zero(ppm) water is solvent, and configuration pH is 4.3 solution, and solute is the six hydration nickel sulfate of 30g/L, the inferior sodium phosphate of 25g/L, the two hydration Trisodium Citrates of 20g/L and the sodium acetate of 10g/L;
B, chemical method alloy plating: the man-made diamond particulate lay of getting after step (3) the gained activation is online in stainless steel filament; The stainless steel filament net is immersed in the above-mentioned solution; Guarantee that diamond particle has only the below to touch solution, be warming up to 85 ℃, reaction 50min; Behind tap water flushing 3min, Air drying promptly gets the surperficial diamond particle that covers the nickel-phosphor alloy film.
Claims (4)
1. method to man-made diamond particulate overlay film, it is characterized in that: formula rate step by weight is following:
(1) deoils: get the man-made diamond particulate, clean with acetone soln and deoil;
(2) sensitization:
A, configuration sensitizing solution: get tin protochloride and be dissolved in the hydrochloric acid, using distilled water diluting to tin protochloride concentration again is 10～15g/L; It is concentrated hydrochloric acid 39～41mL of 37.5% that being configured to of this hydrochloric acid got mass concentration, is settled to 1L with zero(ppm) water;
B, sensitization: the man-made diamond particulate after will deoiling is used the sensitized solution submergence, constantly stir, behind 3～5min with its taking-up; With the cold water flush 2～3min that flows, Air drying;
(3) activation:
A, configuration activated solution: get palladium chloride and be dissolved in the hydrochloric acid, fully stir, dissolving is even, and using distilled water diluting to palladium chloride concentration is 0.5～1g/L; It is concentrated hydrochloric acid 9～11mL of 37.5% that being configured to of this hydrochloric acid got mass concentration, is settled to 1L with zero(ppm) water;
B, activation: the man-made diamond particulate of getting after step (2) gained sensitization is handled is used the activated solution submergence, takes out behind stirring at normal temperature 3～5min; With the cold water flush 2～3min that flows, Air drying;
(4) chemical method nickel plating-phosphorus alloy:
A, configuration solution: with zero(ppm) water is solvent, and configuration pH is 4.1～4.6 solution, and solute is the six hydration nickel sulfate of 28～32g/L, the inferior sodium phosphate of 23～27g/L, the two hydration Trisodium Citrates of 18～22g/L and the sodium acetate of 8～12g/L;
B, chemical method alloy plating: the man-made diamond particulate lay of getting after step (3) the gained activation is online in stainless steel filament; The stainless steel filament net is immersed in the above-mentioned solution; Guarantee that diamond particle has only the below to touch solution, be warming up to 84～86 ℃, reaction 40～60min; Behind tap water flushing 2～3min, Air drying promptly gets the surperficial diamond particle that covers the nickel-phosphor alloy film.
2. according to the said a kind of method of claim 1, it is characterized in that: the inferior sodium phosphate, 20g/L two hydration Trisodium Citrates and the 10g/L sodium acetate that contain 30g/L six hydration nickel sulfate, 25g/L in the said solution of step (4) man-made diamond particulate overlay film.
3. according to the said a kind of method of claim 1, it is characterized in that man-made diamond particulate overlay film: said stainless steel filament net mesh diameter guarantee that diamond particle does not drop from mesh.
4. according to the said a kind of method to man-made diamond particulate overlay film of claim 1, it is characterized in that: diamond particle thickness 10～15 μ m of nickel-phosphor alloy film are covered on said surface.
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| CN2011102921549A CN102392231A (en) | 2011-09-30 | 2011-09-30 | Method for coating membranes on artificial diamond particles |
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| CN2011102921549A CN102392231A (en) | 2011-09-30 | 2011-09-30 | Method for coating membranes on artificial diamond particles |
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| CN102392231A true CN102392231A (en) | 2012-03-28 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266341A (en) * | 2013-05-17 | 2013-08-28 | 浙江工业大学 | Preparation method for producing diamond cutting line through steel wire magnetization |
| CN103388142A (en) * | 2013-07-29 | 2013-11-13 | 东南大学 | Method for plating tungsten on diamond surface |
| CN104694912A (en) * | 2015-03-18 | 2015-06-10 | 青岛科技大学 | Method for chemically plating Ni-P alloy on surfaces of diamond particles |
| CN109267130A (en) * | 2018-08-23 | 2019-01-25 | 信丰崇辉科技有限公司 | The electroplating system and electro-plating method of diamond cutting secant |
| CN115340089A (en) * | 2022-08-24 | 2022-11-15 | 内蒙古唐合科技有限公司 | Method for purifying artificial diamond |
-
2011
- 2011-09-30 CN CN2011102921549A patent/CN102392231A/en active Pending
Non-Patent Citations (4)
| Title |
|---|
| 冒爱琴: "金刚石化学镀Ni2P涂层高温抗氧化性的研究", 《稀有金属》 * |
| 冒爱琴: "金刚石表面化学镀Ni-P的研究", 《粉末冶金技术》 * |
| 刘世敏，等: "金刚石表面化学镀Ni-P的研究", 《河北工业大学学报》 * |
| 赵振艳，等: "金刚石表面化学镀Ni-P", 《电镀与装饰》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266341A (en) * | 2013-05-17 | 2013-08-28 | 浙江工业大学 | Preparation method for producing diamond cutting line through steel wire magnetization |
| CN103388142A (en) * | 2013-07-29 | 2013-11-13 | 东南大学 | Method for plating tungsten on diamond surface |
| CN103388142B (en) * | 2013-07-29 | 2015-09-09 | 东南大学 | A kind of method of diamond surface plating tungsten |
| CN104694912A (en) * | 2015-03-18 | 2015-06-10 | 青岛科技大学 | Method for chemically plating Ni-P alloy on surfaces of diamond particles |
| CN109267130A (en) * | 2018-08-23 | 2019-01-25 | 信丰崇辉科技有限公司 | The electroplating system and electro-plating method of diamond cutting secant |
| CN115340089A (en) * | 2022-08-24 | 2022-11-15 | 内蒙古唐合科技有限公司 | Method for purifying artificial diamond |
| CN115340089B (en) * | 2022-08-24 | 2024-02-06 | 内蒙古唐合科技有限公司 | Method for purifying artificial diamond |
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Application publication date: 20120328 |