CN103331703A - CBN product metallic bond and production method thereof - Google Patents
CBN product metallic bond and production method thereof Download PDFInfo
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- CN103331703A CN103331703A CN 201310233026 CN201310233026A CN103331703A CN 103331703 A CN103331703 A CN 103331703A CN 201310233026 CN201310233026 CN 201310233026 CN 201310233026 A CN201310233026 A CN 201310233026A CN 103331703 A CN103331703 A CN 103331703A
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Abstract
The invention discloses a CBN (Cubic Boron Nitride) product metallic bond and a production method thereof. The CBN product metallic bond is characterized by comprising the following raw materials by weight percent: 55-60 percent of SiO2, 10-15 percent of Al2O3, 6-8.5 percent of K2O, 2.5-5.5 percent of Na2O, 6-10 percent of Cu, 0.5-1.5 percent of Su, and 0.3-1 percent of Zn. The metallic bond has lower refractoriness and higher strength, can be sintered between the temperatures of 600-960 DEG C, is suitable for preparing diamond and CBN sharpeners, and can allow the use speed of the sharpeners of superhard material to up to 160 m/s.
Description
Technical field
The invention belongs to the superhard material field, especially about the special-purpose boracic metallic bond of a kind of cubic boron nitride goods and manufacture method thereof.
Background technology
Cubic boron nitride (CBN) is the same with artificial diamond's lime stone to be a kind of thin abrasive particle, bond must be arranged with its fixed moulding, could play shear action.Traditional CBN bond has three kinds of resin, pottery and metallic bonds, and wherein, resinoid bond handling ease, sharpness are good, but serviceability temperature is low, and it is to the hold extreme difference of CBN abrasive particle, thereby also extreme difference of durability; Vitrified bond hardness height can at high temperature use, and its hold to the CBN abrasive particle is better than resinoid bond, but vitrified bond is too crisp, and shock-resistant ability has also limited its use.Metallic bond has just in time remedied above-mentioned shortcoming and has kept the above two advantage.But traditional metallic bond all is the bond prescription modes that followed diamond composition, because cubic boron nitride CBN and the diamond structure of matter is different, the advantage of the metallic bond of diamond composition is not fully played in the cubic boron nitride goods.Mainly to be the diamond composition metallic bond that shows traditional can produce to a certain degree chemical bonding to diamond for this, thereby hold is fine.And cube boron nitride is synthetic by nitrogen and boron, and traditional metallic bond and this two kinds of elements do not produce chemical bonding, is that machinery on the simple meaning plates effect.Therefore, be necessary to study the special-purpose bond that a kind of and nitrogen and boron have chemical action.
Summary of the invention
At above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of cubic boron nitride goods metallic bond and production method thereof.
Of the present invention day be achieved through the following technical measures: cubic boron nitride goods metallic bond is characterized in that: its raw material and percentage by weight are: silica SiO
255-60%, alundum (Al Al
2O
310-15%, potassium oxide K
2O 6-8.5%, sodium oxide molybdena Na
2O 2.5-5.5%, copper powder Cu 6-10%, glass putty Su 0.5-1.5% and zinc powder Zn 0.3-1%.
Production method of the present invention comprises the steps:
1) gets raw material by weight percentage, put into batch mixer mixing 2-4 hour of gas shield;
2), place high temperature dispersing furnace to handle 9 hours in step a mixture, high temperature dispersing furnace is to carry out in reduction protection atmosphere, and its course of work is: room temperature 600
oFollowing 3 hours of C is constant temperature 1 hour, 600 again
oC-800 ℃ heated up 1 hour, 800 ℃ of following constant temperature 1 hour; 800-960 ℃ of constant temperature 1 hour, after be warming up to 800-960 ℃ of constant temperature 2 hours, naturally cooled to the same period room temperature 4-6 hour;
3), the treated raw material of step b is pulverized in gas shield or vacuum sphere grinding machine, screen through vacuum ultrasonic-300 order mesh screen;
4), with step c screenings through weighing, vacuum packaging is finished product.
Making bond of the present invention has lower refractoriness and higher intensity, and sintering between 600-960 is applicable to preparation diamond and cubic boron nitride grinding tool, and the operating speed of superhard material grinding tool is reached more than the 160m/s.
The specific embodiment
Cubic boron nitride goods metallic bond, its raw material and percentage by weight are: silica SiO
255-60%, alundum (Al Al
2O
310-15%, potassium oxide K
2O 6-8.5%, sodium oxide molybdena Na
2O 2.5-5.5%, copper powder Cu 6-10%, glass putty Su 0.5-1.5% and zinc powder Zn 0.3-1%.
Production method of the present invention comprises the steps:
1, gets raw material by weight percentage, put into batch mixer mixing 2-4 hour of gas shield;
2, step a mixture is placed high temperature dispersing furnace handled 9 hours, high temperature dispersing furnace is to carry out in reduction protection atmosphere, and its course of work is: room temperature 600
oFollowing 3 hours of C is constant temperature 1 hour, 600 again
oC-800 ℃ heated up 1 hour, 800 ℃ of following constant temperature 1 hour; 800-960 ℃ of constant temperature 1 hour, after be warming up to 800-960 ℃ of constant temperature 2 hours, naturally cooled to the same period room temperature 4-6 hour;
3, the treated raw material of step b is pulverized in gas shield or vacuum sphere grinding machine, screened through vacuum ultrasonic-300 order mesh screen;
4, with step c screenings through weighing, vacuum packaging is finished product.
Among the present invention, the maximum characteristics of boron element, it is the boride that can form high temperature, high rigidity with a lot of metallic elements, and the nitride of light metal element also has this characteristics, boron element in the present invention's prescription is at the sinter molding process towel of goods, can with CBN in nitrogen produce certain bonding, light metal and transition metal then easily with boron in sintering process with boron generation bonding to a certain degree, thereby can be from truly reaching bond to the effect of controlling of abrasive particle, its sharpness of the goods that generate and durability all are significantly improved.
Claims (3)
1. cubic boron nitride goods metallic bond, it is characterized in that: its raw material and percentage by weight are: silica SiO
255-60%, alundum (Al Al
2O
310-15%, potassium oxide K
2O 6-8.5%, sodium oxide molybdena Na
2O 2.5-5.5%, copper powder Cu 6-10%, glass putty Su 0.5-1.5% and zinc powder Zn 0.3-1%.
2. the production method of a sharp cubic boron nitride goods metallic bond as claimed in claim 1 comprises the steps: it is characterized in that:
1) gets above-mentioned raw materials by weight percentage, put into batch mixer mixing 2-4 hour of gas shield;
2), place high temperature dispersing furnace to handle 9 hours in step a mixture, high temperature dispersing furnace is to carry out in reduction protection atmosphere, and its course of work is: room temperature 600
oFollowing 3 hours of C is constant temperature 1 hour, 600 again
oC-800 ℃ heated up 1 hour, 800 ℃ of following constant temperature 1 hour; 800-960 ℃ of constant temperature 1 hour, after be warming up to 800-960 ℃ of constant temperature 2 hours, naturally cooled to the same period room temperature 4-6 hour;
3), the treated raw material of step b is pulverized in gas shield or vacuum sphere grinding machine, screen through the vacuum ultrasonic mesh screen;
4), with step c screenings through weighing, vacuum packaging is finished product.
3. the production method of cubic boron nitride goods metallic bond according to claim 2, it is characterized in that: described vacuum ultrasonic mesh screen is-300 purpose mesh screens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310233026 CN103331703A (en) | 2013-06-13 | 2013-06-13 | CBN product metallic bond and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310233026 CN103331703A (en) | 2013-06-13 | 2013-06-13 | CBN product metallic bond and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103331703A true CN103331703A (en) | 2013-10-02 |
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|---|---|---|---|
| CN 201310233026 Pending CN103331703A (en) | 2013-06-13 | 2013-06-13 | CBN product metallic bond and production method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052973A (en) * | 2019-05-09 | 2019-07-26 | 华侨大学 | A kind of alusil alloy bonding agent skive and its manufacturing method |
| CN110573475A (en) * | 2017-10-30 | 2019-12-13 | 住友电气工业株式会社 | Sintered body and cutting tool comprising same |
| CN111496699A (en) * | 2020-06-10 | 2020-08-07 | 郑州磨料磨具磨削研究所有限公司 | Optical curve grinding wheel and preparation method thereof |
-
2013
- 2013-06-13 CN CN 201310233026 patent/CN103331703A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110573475A (en) * | 2017-10-30 | 2019-12-13 | 住友电气工业株式会社 | Sintered body and cutting tool comprising same |
| CN110573475B (en) * | 2017-10-30 | 2022-04-12 | 住友电气工业株式会社 | Sintered body and cutting tool comprising same |
| CN110052973A (en) * | 2019-05-09 | 2019-07-26 | 华侨大学 | A kind of alusil alloy bonding agent skive and its manufacturing method |
| CN111496699A (en) * | 2020-06-10 | 2020-08-07 | 郑州磨料磨具磨削研究所有限公司 | Optical curve grinding wheel and preparation method thereof |
| CN111496699B (en) * | 2020-06-10 | 2021-08-20 | 郑州磨料磨具磨削研究所有限公司 | Optical curve grinding wheel and preparation method thereof |
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Application publication date: 20131002 |