CN109129214A - Wear-resisting PCD composite sheet bonding agent and preparation method thereof - Google Patents
Wear-resisting PCD composite sheet bonding agent and preparation method thereof Download PDFInfo
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- CN109129214A CN109129214A CN201811022038.3A CN201811022038A CN109129214A CN 109129214 A CN109129214 A CN 109129214A CN 201811022038 A CN201811022038 A CN 201811022038A CN 109129214 A CN109129214 A CN 109129214A
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- salt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
The invention discloses a kind of wear-resisting PCD composite sheet bonding agents and preparation method thereof, the preparation method includes: 1) to disperse nano silica, hydrochloric acid in the aqueous solution of alcohol, it is subsequently added into sodium salt, aluminium salt, boric acid, zirconates, yttrium salt, nickel salt, butyl titanate mixing, then lye is added dropwise and stirs, is finally aged, is dry to obtain xerogel；2) xerogel is heat-treated to obtain heat-treated products；3) heat-treated products, zinc powder, molybdenum powder, titanium valve and aluminium powder are subjected to ball milling to obtain wear-resisting PCD composite sheet bonding agent.The bonding agent makes PCD composite sheet obtained have excellent wearability, while the preparation method has the advantages that process is simply and easy to operate.
Description
Technical field
The present invention relates to PCD cutters, and in particular, to a kind of wear-resisting PCD composite sheet bonding agent and its preparation side.
Background technique
Diamond is applied to machining as a kind of ultrahard cutting tool material and has centuries history.Cutter development course,
From late nineteenth century to the twentieth century phase, cutter material is using high-speed steel as main representative；Nineteen twenty-seven, Germany developed hard first
Alloy cutter material is simultaneously widely applied；Nineteen fifties, the U.S. of Sweden are respectively synthesized out diamond, cutting
It is to represent period that cutter, which is stepped into from this with superhard material,.Nineteen seventies, people are synthesized using high-pressure synthesis technology
Polycrystalline diamond (PCD) solves the problems, such as natural diamond rare numbers, expensive, expands diamond cutter application range
Open up the multiple fields such as Aeronautics and Astronautics, automobile, electronics, stone material.
Diamond cutter has the characteristics such as hardness is high, compression strength is high, thermal conductivity and wearability are good, can high-speed cutting acquisition
Very high manufacturing accuracy processing efficiency.The above-mentioned characteristic of diamond cutter is determined by diamond crystal state.Diamond crystal, carbon atom
Four valence electrons press tetrahedral structure bonding, and each carbon atom and four adjacent atoms form covalent bond, and then form diamond
Structure, the structure binding force directionality is very strong, so that diamond be made to have extreme hardness.Since polycrystalline diamond PCD structure takes
To different fine-particle diamond sintered body, although joined bonding agent, hardness and wearability are still below single-crystal diamond.
Summary of the invention
The object of the present invention is to provide a kind of wear-resisting PCD composite sheet bonding agents and preparation method thereof, which to make
The PCD composite sheet obtained has excellent wearability, while the preparation method has the advantages that process is simply and easy to operate.
To achieve the goals above, the present invention provides a kind of preparation methods of wear-resisting PCD composite sheet bonding agent, comprising:
1) disperse nano silica, hydrochloric acid in the aqueous solution of alcohol, be subsequently added into sodium salt, aluminium salt, boric acid, zirconates, yttrium salt,
Then nickel salt, butyl titanate mixing are added dropwise lye and stir, be finally aged, be dry to obtain xerogel；
2) xerogel is heat-treated to obtain heat-treated products；
3) heat-treated products, zinc powder, molybdenum powder, titanium valve and aluminium powder are subjected to ball milling to obtain wear-resisting PCD composite sheet bonding agent.
The present invention also provides a kind of wear-resisting PCD composite sheet bonding agent, which passes through above-mentioned
Preparation method is prepared.
In above-mentioned technical proposal, the present invention pass through first sol-gel method be made xerogel, then by heat treatment so that
Xerogel resolves into the complex being made of many oxide, finally by heat-treated products, zinc powder, molybdenum powder, titanium valve and aluminium powder
It is combined to form wear-resisting PCD composite sheet bonding agent；It is excellent wear-resisting that the bonding agent enables to PCD composite sheet obtained to have
Property, while the preparation method has the advantages that process is simply and easy to operate.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of preparation methods of wear-resisting PCD composite sheet bonding agent, comprising:
1) disperse nano silica, hydrochloric acid in the aqueous solution of alcohol, be subsequently added into sodium salt, aluminium salt, boric acid, zirconates, yttrium salt,
Then nickel salt, butyl titanate mixing are added dropwise lye and stir, be finally aged, be dry to obtain xerogel；
2) xerogel is heat-treated to obtain heat-treated products；
3) heat-treated products, zinc powder, molybdenum powder, titanium valve and aluminium powder are subjected to ball milling to obtain wear-resisting PCD composite sheet bonding agent.
In step 1) of the invention, the dosage of each material can select in a wide range, but in order to further mention
The wearability of PCD composite sheet made from height, it is preferable that in step 1), nano silica, sodium salt, aluminium salt, boric acid, zirconates,
Yttrium salt, nickel salt, butyl titanate molar ratio be 1:0.4-0.6:0.7-0.9:0.2-0.4:0.05-0.15:0.08-0.12:
0.1-0.3:0.25-0.35.
In step 1) of the invention, hydrochloric acid, the aqueous solution of alcohol, lye dosage can select in a wide range, but
The wearability in order to further increase PCD composite sheet obtained, it is preferable that in step 1), nano silica, hydrochloric acid,
The aqueous solution of alcohol, lye amount ratio be 1mmol:2-3mL:5-10mL:4-6mL, and in the aqueous solution of alcohol alcohol volume fraction
It is 4-5 for 30-40%, the pH of hydrochloric acid, the pH of lye is 11-13.
In step 1) of the invention, the type of each material can select in a wide range, but in order to further mention
The wearability of PCD composite sheet made from height, it is preferable that in step 1), the alcohol of the aqueous solution of alcohol is selected from ethyl alcohol, methanol, propyl alcohol
At least one of with isopropanol；Lye is selected from least one of potassium hydroxide aqueous solution, sodium hydrate aqueous solution；Sodium salt choosing
From at least one of sodium chloride, sodium sulphate, sodium nitrate；Aluminium salt is selected from least one of aluminum nitrate, aluminium chloride, aluminum acetate；
Zirconates is selected from least one of zirconium nitrate, citric acid zirconates；Yttrium salt is selected from yttrium nitrate, three (radical) yttrium salts, fluoroform
At least one of alkyl sulfonic acid yttrium；Nickel salt is selected from least one of nickel nitrate, nickel sulfate, nickel chloride.
In step 1) of the invention, the condition of ageing can select in a wide range, but in order to further increase
The wearability of PCD composite sheet obtained, it is preferable that in step 1), ageing meets the following conditions: Aging Temperature is 25-35 DEG C,
Digestion time is 18-24h.
In step 1) of the invention, dry condition can select in a wide range, but in order to further increase
The wearability of PCD composite sheet obtained, in step 1), drying meets the following conditions: drying temperature is 100-110 DEG C, dry
Time is 2-4h.
In step 1) of the invention, the mixed time can select in a wide range, but in order to further increase
The wearability of PCD composite sheet obtained, it is preferable that in step 1), the mixed time is 15-20min.
In step 2) of the invention, the condition of heat treatment can select in a wide range, but in order to further mention
The wearability of PCD composite sheet made from height, it is preferable that in step 2, heat treatment meets the following conditions: treatment temperature 510-
530 DEG C, the processing time is 6-10h.
In step 3) of the invention, the dosage of each material can select in a wide range, but in order to further mention
The wearability of PCD composite sheet made from height, it is preferable that in step 3), heat-treated products, zinc powder, molybdenum powder, titanium valve and aluminium powder
Weight ratio is 10:1-3:1.6-2:1.7-2.1:0.5-0.8.
In step 3) of the invention, the condition of ball milling can select in a wide range, but in order to further increase
The wearability of PCD composite sheet obtained, it is preferable that in step 3), ball milling meets the following conditions: the mass ratio of abrading-ball and material
For 20:0.8-1.2, revolving speed 1600-1800rpm, Ball-milling Time 40-60min.
The present invention also provides a kind of wear-resisting PCD composite sheet bonding agent, which passes through above-mentioned
Preparation method is prepared.
The present invention will be described in detail by way of examples below.
1) it disperses nano silica, hydrochloric acid in the aqueous solution of alcohol (ethyl alcohol), is subsequently added into sodium salt (sodium chloride), aluminium
Salt (aluminum nitrate), boric acid, zirconates (zirconium nitrate), yttrium salt (yttrium nitrate), nickel salt (nickel nitrate), butyl titanate mixing 18min, so
Lye (potassium hydroxide aqueous solution) is added dropwise afterwards and stirs 18min, finally ageing (Aging Temperature is 30 DEG C, digestion time 20h),
Dry (drying temperature is 105 DEG C, drying time 3h) is to obtain xerogel；Wherein, nano silica, sodium salt, aluminium salt, boron
Acid, zirconates, yttrium salt, nickel salt, butyl titanate molar ratio be 1:0.5:0.8:0.3:0.1:0.1:0.2:0.30；Nano-silica
SiClx, hydrochloric acid, the aqueous solution of alcohol, lye amount ratio be 1mmol:2.5mL:8mL:5mL, and alcohol in the aqueous solution of the alcohol
Volume fraction is 35%, and the pH of the hydrochloric acid is 4.5, and the pH of the lye is 12；
2) xerogel is heat-treated (treatment temperature is 520 DEG C, and the processing time is 8h) to obtain heat-treated products；
3) by heat-treated products, zinc powder, molybdenum powder, titanium valve and aluminium powder according to the weight ratio row ball milling (mill of 10:2:1.8:1.9:0.7
The mass ratio of ball and material is 20:1, revolving speed 1700rpm, Ball-milling Time 50min) to obtain bonding agent A1.
Embodiment 2
1) it disperses nano silica, hydrochloric acid in the aqueous solution of alcohol (propyl alcohol), is subsequently added into sodium salt (sodium sulphate), aluminium salt
(aluminium chloride), boric acid, zirconates (citric acid zirconates), yttrium salt (three (radical) yttrium salts), nickel salt (nickel sulfate), butyl titanate
15min is mixed, lye (sodium hydrate aqueous solution) is then added dropwise and stirs 15min, (Aging Temperature is 25 DEG C, old for finally ageing
Changing the time is for 24 hours), dry (drying temperature is 100 DEG C, drying time 4h) to obtain xerogel；Wherein, nanometer titanium dioxide
Silicon, sodium salt, aluminium salt, boric acid, zirconates, yttrium salt, nickel salt, butyl titanate molar ratio be 1:0.4:0.7:0.2:0.05:0.08:
0.1:0.25；Nano silica, hydrochloric acid, the aqueous solution of alcohol, lye amount ratio be 1mmol:2mL:5mL:4mL, and it is described
The volume fraction of alcohol is 30% in the aqueous solution of alcohol, and the pH of the hydrochloric acid is 4, and the pH of the lye is 11；
2) xerogel is heat-treated (treatment temperature is 510 DEG C, and the processing time is 10h) to obtain heat-treated products；
3) by heat-treated products, zinc powder, molybdenum powder, titanium valve and aluminium powder according to the weight ratio row ball milling (mill of 10:1:1.6:1.7:0.5
The mass ratio of ball and material is 20:0.8, revolving speed 1600rpm, Ball-milling Time 60min) to obtain bonding agent A2.
Embodiment 3
1) it disperses nano silica, hydrochloric acid in the aqueous solution of alcohol (isopropanol), is subsequently added into sodium salt (sodium nitrate), aluminium salt
(aluminum acetate), boric acid, zirconates (citric acid zirconates), yttrium salt (trifluoromethayl sulfonic acid yttrium), nickel salt (nickel chloride), butyl titanate are mixed
20min is closed, lye (sodium hydrate aqueous solution) is then added dropwise and stirs 20min, (Aging Temperature is 35 DEG C, ageing for finally ageing
Time is 18h), dry (drying temperature is 110 DEG C, drying time 2h) to obtain xerogel；Wherein, nano silica,
Sodium salt, aluminium salt, boric acid, zirconates, yttrium salt, nickel salt, butyl titanate molar ratio be 1:0.6:0.9:0.4:0.15:0.12:
0.3:0.35；Nano silica, hydrochloric acid, the aqueous solution of alcohol, lye amount ratio be 1mmol:3mL:10mL:6mL, and it is described
The volume fraction of alcohol is 40% in the aqueous solution of alcohol, and the pH of the hydrochloric acid is 5, and the pH of the lye is 13；
2) xerogel is heat-treated (treatment temperature is 530 DEG C, and the processing time is 6h) to obtain heat-treated products；
3) by heat-treated products, zinc powder, molybdenum powder, titanium valve and aluminium powder according to the weight ratio row ball milling (abrading-ball of 10:3:2:2.1:0.8
Mass ratio with material is 20:1.2, revolving speed 1800rpm, Ball-milling Time 40min) to obtain bonding agent A3.
Application examples 1
By granularity be 2 μm of diamond dusts, above-mentioned bonding agent according to the weight ratio of 1:5 in 1700 DEG C, 7 × 1011It is sintered under Pa
Then 13h detects the thermal coefficient of PCD composite sheet, the results are shown in Table 1 so that wear-resisting PCD composite sheet is made.
Table 1
| Bonding agent | A1 | A2 | A3 |
| Thermal coefficient (W/mK) | 786 | 779 | 769 |
Wherein, thermal coefficient is higher, is more avoided that the abrasion of PCD composite sheet, and then improve the wearability of PCD composite sheet.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of preparation method of wear-resisting PCD composite sheet bonding agent characterized by comprising
1) disperse nano silica, hydrochloric acid in the aqueous solution of alcohol, be subsequently added into sodium salt, aluminium salt, boric acid, zirconates, yttrium salt,
Then nickel salt, butyl titanate mixing are added dropwise lye and stir, be finally aged, be dry to obtain xerogel；
2) xerogel is heat-treated to obtain heat-treated products；
3) heat-treated products, zinc powder, molybdenum powder, titanium valve and aluminium powder are subjected to ball milling to obtain the wear-resisting PCD composite sheet knot
Mixture.
2. preparation method according to claim 1, wherein in step 1), the nano silica, sodium salt, aluminium salt,
Boric acid, zirconates, yttrium salt, nickel salt, butyl titanate molar ratio be 1:0.4-0.6:0.7-0.9:0.2-0.4:0.05-0.15:
0.08-0.12:0.1-0.3:0.25-0.35.
3. preparation method according to claim 1, wherein in step 1), the nano silica, hydrochloric acid, alcohol
Aqueous solution, lye amount ratio be 1mmol:2-3mL:5-10mL:4-6mL, and in the aqueous solution of the alcohol alcohol volume fraction
It is 4-5 for 30-40%, the pH of the hydrochloric acid, the pH of the lye is 11-13；
Preferably, in step 1), the alcohol of the aqueous solution of the alcohol in ethyl alcohol, methanol, propyl alcohol and isopropanol at least one
Person；The lye is selected from least one of potassium hydroxide aqueous solution, sodium hydrate aqueous solution；The sodium salt be selected from sodium chloride,
At least one of sodium sulphate, sodium nitrate；The aluminium salt is selected from least one of aluminum nitrate, aluminium chloride, aluminum acetate；The zirconium
Salt is selected from least one of zirconium nitrate, citric acid zirconates；The yttrium salt is selected from yttrium nitrate, three (radical) yttrium salts, trifluoro
At least one of Loprazolam yttrium；The nickel salt is selected from least one of nickel nitrate, nickel sulfate, nickel chloride.
4. preparation method according to claim 1, wherein in step 1), the ageing meets the following conditions: ageing temperature
Degree is 25-35 DEG C, digestion time 18-24h.
5. preparation method according to claim 1, wherein in step 1), the drying meets the following conditions: dry temperature
Degree is 100-110 DEG C, drying time 2-4h.
6. preparation method according to claim 1, wherein in step 1), the mixed time is 15-20min.
7. preparation method according to claim 1, wherein in step 2, the heat treatment meets the following conditions: processing
Temperature is 510-530 DEG C, and the processing time is 6-10h.
8. preparation method according to claim 1, wherein in step 3), the heat-treated products, zinc powder, molybdenum powder, titanium
The weight ratio of powder and aluminium powder is 10:1-3:1.6-2:1.7-2.1:0.5-0.8.
9. preparation method according to claim 1, wherein in step 3), the ball milling meets the following conditions: abrading-ball with
The mass ratio of material is 20:0.8-1.2, revolving speed 1600-1800rpm, Ball-milling Time 40-60min.
10. a kind of wear-resisting PCD composite sheet bonding agent, which is characterized in that the wear-resisting PCD composite sheet bonding agent passes through claim
Preparation method described in any one of 1-9 is prepared.
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| CN201811022038.3A CN109129214A (en) | 2018-09-04 | 2018-09-04 | Wear-resisting PCD composite sheet bonding agent and preparation method thereof |
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| JP2003062755A (en) * | 2001-08-22 | 2003-03-05 | Noritake Co Ltd | Manufacturing method of vitrified grinding wheel, and vitreous coupling agent raw material liquid for vitrified grinding wheel and its manufacturing method |
| CN103722174A (en) * | 2013-12-30 | 2014-04-16 | 中原工学院 | Self-sharpening polycrystalline diamond compact and preparation method thereof |
| CN106145946A (en) * | 2016-07-01 | 2016-11-23 | 湖南大学 | A kind of method that liquid phase feed technology prepares vitrified bonded grinding wheel |
| CN107685294A (en) * | 2017-08-25 | 2018-02-13 | 郑州博特硬质材料有限公司 | A kind of vitrified bond and preparation method thereof |
| CN107791163A (en) * | 2017-11-21 | 2018-03-13 | 常州市好利莱光电科技有限公司 | A kind of preparation method of the durable porous skive of high intensity |
| CN107805075A (en) * | 2017-10-24 | 2018-03-16 | 鹤山市旭威金刚石制品有限公司 | A kind of preparation method of vitrified bond and skive |
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2018
- 2018-09-04 CN CN201811022038.3A patent/CN109129214A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003062755A (en) * | 2001-08-22 | 2003-03-05 | Noritake Co Ltd | Manufacturing method of vitrified grinding wheel, and vitreous coupling agent raw material liquid for vitrified grinding wheel and its manufacturing method |
| CN103722174A (en) * | 2013-12-30 | 2014-04-16 | 中原工学院 | Self-sharpening polycrystalline diamond compact and preparation method thereof |
| CN106145946A (en) * | 2016-07-01 | 2016-11-23 | 湖南大学 | A kind of method that liquid phase feed technology prepares vitrified bonded grinding wheel |
| CN107685294A (en) * | 2017-08-25 | 2018-02-13 | 郑州博特硬质材料有限公司 | A kind of vitrified bond and preparation method thereof |
| CN107805075A (en) * | 2017-10-24 | 2018-03-16 | 鹤山市旭威金刚石制品有限公司 | A kind of preparation method of vitrified bond and skive |
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