CN1026229C - Producding of titanium carbonitride-titanium boride ceramic - Google Patents
Producding of titanium carbonitride-titanium boride ceramic Download PDFInfo
- Publication number
- CN1026229C CN1026229C CN 90103830 CN90103830A CN1026229C CN 1026229 C CN1026229 C CN 1026229C CN 90103830 CN90103830 CN 90103830 CN 90103830 A CN90103830 A CN 90103830A CN 1026229 C CN1026229 C CN 1026229C
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- China
- Prior art keywords
- titanium
- boride ceramic
- carbonitride
- titanium carbonitride
- titanium boride
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Abstract
The present invention relates to a titanium carbonitride and titanium boride ceramic material which is manufactured by reaction hot pressing, and comprises TiH2, Ti, BN, B4C and C as principal raw materials, wherein the phase composition has the molar ratio that TiB2/TiC2/N<1-x> is greater than 0 and is less than 2, wherein x is equal to 0 to 1, the hot pressing temperature is from 1600 to 2100 DEG C, and the heat preservation times is from 10 to 60 minutes. The process that Ti (C, N) and TiB2 are synthetized firstly is omitted by the method for producing the titanium carbonitride and titanium boride ceramic material. The titanium carbonitride and titanium boride ceramic material has the advantages of simple preparation, low raw material cost and low power consumption, and can be widely used for manufacturing titanium carbonitride and titanium boride ceramic cutting tools, wearable members and electrode materials.
Description
The present invention is a kind of manufacture method of titanium carbonitride-titanium boride ceramics.
Titanium carbonitride-titanium boride ceramics material, is with a wide range of applications in cutting tool and wear parts field with its good mechanical property and high-temperature behavior, and it has good electroconductibility and erosion resistance simultaneously, is a kind of good electrode materials.
Just there was the people that Ti-B-C and Ti-B-N three component system were carried out research as far back as 1961, and successively is considered and is used for making cutting tool the seventies and the eighties.Japan in 1985 at first to titanium carbonitride-titanium boride system study (ceramic industry association will, 1985, Vol.93, NO.5, P252), they adopt the two step method manufacturing, promptly earlier synthetic Ti(C, N) and TiB
2, mix back hot pressing under vacuum or protective atmosphere then according to a certain ratio.Two-step process is complicated, and the production cycle is longer, and manufacturing cost is higher.
The objective of the invention is to reduce the manufacturing cost of titanium carbonitride-titanium boride ceramics, be beneficial to apply in order to overcome the existing shortcoming of two step method.
At the above shortcoming of two step method, the present invention proposes to make titanium carbonitride-titanium boride ceramics material with reaction heat platen press (or claiming single stage method), and its main raw material has Ti, TiH
2, BN, B
4C and C, reaction equation is as follows:
Because of the variation range of X 0～1, so the variation range of α 0～2, i.e. the phase composite mol ratio is 0＜TiB in the material that the present invention makes
2/ TiC
xN
1-x≤ 2.
The manufacturing process of single stage method is reaction hot-pressing, and above chemical reaction carries out in hot pressing simultaneously.The oven dry batching place graphite jig under vacuum or protective atmosphere in 1600～2100 ℃ of hot pressing, be incubated 10～60 minutes.
Advantage of the present invention is to have cast out the synthetic in advance Ti(C of two step method, N) and TiB
2Operation, make manufacturing process simple, raw materials used cost is lower, power consumption is low.
Example
Get X=0.5, TiH is used in α=1.25
2, BN, B
4C is a raw material, by the reaction batching, dries behind the ball mill mixing, at N
2Hot pressing in graphite jig under the atmosphere, 1800 ℃ of hot pressing temperatures, pressure 20MPa is incubated 30 minutes.The X-ray diffraction analysis that makes material demonstrates Ti(C, N) and TiB
2Two-phase, the hardness of material are 1750kg/mm
2
Claims (2)
1, the method for titanium carbonitride-titanium boride ceramics is made in reaction hot-pressing, it is characterized in that:
(1) utilizes Ti, BN, B
4C reaction hot-pressing one-step synthesis is made titanium carbonitride-titanium boride ceramics material;
(2) hot pressing temperature is 1600～2100 ℃, soaking time 10～60 minutes.
2, the method for titanium carbonitride-titanium boride ceramics is made in reaction hot-pressing according to claim 1, it is characterized in that: Ti can partly or entirely substitute B with titanium hydride
4C can be with carbon part or replacing whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90103830 CN1026229C (en) | 1990-05-30 | 1990-05-30 | Producding of titanium carbonitride-titanium boride ceramic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90103830 CN1026229C (en) | 1990-05-30 | 1990-05-30 | Producding of titanium carbonitride-titanium boride ceramic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1056859A CN1056859A (en) | 1991-12-11 |
| CN1026229C true CN1026229C (en) | 1994-10-19 |
Family
ID=4878262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90103830 Expired - Fee Related CN1026229C (en) | 1990-05-30 | 1990-05-30 | Producding of titanium carbonitride-titanium boride ceramic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1026229C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101445370B (en) * | 2008-12-24 | 2011-06-15 | 哈尔滨工业大学 | Method for preparing TiN/TiB2 composite material |
| CN102219540A (en) * | 2011-03-01 | 2011-10-19 | 山东科技大学 | Porous Ti (C, N)-TiB2composite material and its prepn |
| CN102898140B (en) * | 2012-10-10 | 2014-04-09 | 武汉理工大学 | Titanium diboride-titanium nitride nano heterostructure composite ceramic powder and preparation method thereof |
| CN107663090B (en) * | 2016-07-28 | 2020-10-02 | 河南理工大学 | Synthetic high-purity Ti3B2Method of N |
| CN112743080B (en) * | 2020-12-04 | 2022-12-27 | 台州学院 | Method for preparing Ti (C, N) -based metal ceramic cutter material with high heat resistance through in-situ integration |
| CN114105646B (en) * | 2021-12-20 | 2022-12-09 | 哈尔滨工业大学 | Preparation method of in-situ SiC-BN (C) -Ti (C, N) nanocrystalline complex phase ceramic |
-
1990
- 1990-05-30 CN CN 90103830 patent/CN1026229C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1056859A (en) | 1991-12-11 |
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