CN105543608A - Ti(C, N) based metal ceramic - Google Patents
Ti(C, N) based metal ceramic Download PDFInfo
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- CN105543608A CN105543608A CN201510885761.4A CN201510885761A CN105543608A CN 105543608 A CN105543608 A CN 105543608A CN 201510885761 A CN201510885761 A CN 201510885761A CN 105543608 A CN105543608 A CN 105543608A
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- CN
- China
- Prior art keywords
- metal ceramic
- based ceramic
- ceramic metal
- based metal
- black
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/04—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbonitrides
Abstract
The invention discloses a Ti(C, N) based metal ceramic, which comprises: C black, WC, Ni, Ti, Mo, Cr3C2, N, and Cr. The Ti(C, N) based metal ceramic provided by the invention improves the performance of metal ceramic, makes the metal ceramic have stronger market competitiveness, and broadens the application field of metal ceramic hard alloy.
Description
Technical field
The present invention relates to a kind of Ti (C, N) based ceramic metal.
Background technology
Over more than 30 year, along with the development of powder metallurgy technology, the evolution of cermet composition tends towards stability, and Ti (C, N) based ceramic metal develops into the stage of a comparative maturity.In Japan, Ti (C in recent years, N) base metal-ceramic material has accounted for 30% of indexable insert tip, throw away tip, and China also have developed multiple Ti (C, N) base ceramet tool bit in " eight or five " period, and have part commercialized product, but performance is understable, still have certain gap with international most advanced level, sintering metal formula is multifarious, its component does not have certain standard to follow yet, and sintering metal spread in performance is uneven.
Summary of the invention
The invention provides Ti (C, the N) based ceramic metal that a kind of performance is higher, the present invention adopts following technical scheme:
A kind of Ti (C, N) based ceramic metal, composition comprises: C is black, WC, Ni, Ti, Mo, Cr
3c
2, N, Cr.
Preferably, described C/N mass ratio is 7/3 ~ 6/4.
Preferably, the black mass percent of described C is 1 ~ 1.5%.
Preferably, described WC mass percent is 6.5 ~ 15%.
Preferably, described Ni mass percent is 25 ~ 40%.
Preferably, described Ti/Mo mass ratio is for being not less than 5/3.
Preferably, described Cr
3c
2mass percent is for being not more than 1%.
Preferably, described N mass percent is for being not more than 2.7%.
Preferably, described Ni/ (Ni+Cr) mass ratio is 0.6 ~ 0.98.
A kind of Ti (C, N) based ceramic metal provided by the invention improves sintering metal performance, makes it to have the stronger market competitiveness, has widened the Application Areas of sintering metal series hard alloy.
Embodiment
The following examples describe in further detail of the present invention.
Embodiment 1
As shown in table 1, formula and each Ingredient Wt per-cent as follows:
Table 1
| Composition | Optimum content range (wt%) |
| C/N | 6/4 |
| C is black | 1.5 |
| WC | 15 |
| Ni | 40 |
| Ti/Mo | ≥5/3 |
| Cr3C2 | ≤1 |
| N | ≤2.7 |
| Ni/(Ni+Cr) | 0.98 |
Embodiment 2
As shown in table 2, formula and each Ingredient Wt per-cent as follows:
Table 2
| Composition | Optimum content range (wt%) |
| C/N | 7/3 |
| C is black | 1 |
| WC | 6.5 |
| Ni | 25 |
| Ti/Mo | ≥5/3 |
| Cr3C2 | ≤1 |
| N | ≤2.7 |
| Ni/(Ni+Cr) | 0.6 |
In above-described embodiment scheme, each key element proportioning principle of filling a prescription is as follows:
1) Ti content is relevant with the black content of total C with Mo content, and Ti too high levels can produce Ni
3the intermetallic hard phase of Ti is very crisp.Ni
3ti gap produces when sosoloid cools mutually.General control Ti/Mo=5/3, C weight percent content is 1 ~ 1.5%.
2) TiC
0.7n
0.3with the relation of Ni content: when Ni content is 20 ~ 25Vol% (volumn concentration), intensity is maximum, and hardness linearly declines with the increase of Ni content.Ti (C
xn
y) X+Y → 1 is best, produces Ni as X+Y < 1
3ti.
3) C/N mass ratio hardness in 1 ~ 4 is higher, and room temperature strength change is little, and hot strength change is little.
4) for improving two-phase wettability, can sintering metal mutually in add the 2nd kind of polyvalent metal, its lattice type require with the 1st kind of metallographic phase with, this formula is that Ni/ (Ni+Cr) mass ratio is in 0.6 ~ 0.98.
5), during Nwt% > 2.7%, product is difficult to fine and close, therefore controls within 2.7% most suitable.
Recorder:
Original value during test intensity:
Density measurement original value:
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalents thereof.
Claims (9)
1. Ti (C, a N) based ceramic metal, is characterized in that composition comprises:
C is black, WC, Ni, Ti, Mo, Cr
3c
2, N, Cr.
2. a kind of Ti (C, N) based ceramic metal as claimed in claim 1, is characterized in that:
Described C/N mass ratio is 7/3 ~ 6/4.
3. a kind of Ti (C, N) based ceramic metal as claimed in claim 1, is characterized in that:
The black mass percent of described C is 1 ~ 1.5%.
4. a kind of Ti (C, N) based ceramic metal as claimed in claim 1, is characterized in that:
Described WC mass percent is 6.5 ~ 15%.
5. a kind of Ti (C, N) based ceramic metal as claimed in claim 1, is characterized in that:
Described Ni mass percent is 25 ~ 40%.
6. a kind of Ti (C, N) based ceramic metal as claimed in claim 1, is characterized in that:
Described Ti/Mo mass ratio is for being not less than 5/3.
7. a kind of Ti (C, N) based ceramic metal as claimed in claim 1, is characterized in that:
Described Cr
3c
2mass percent is for being not more than 1%.
8. a kind of Ti (C, N) based ceramic metal as claimed in claim 1, is characterized in that:
Described N mass percent is for being not more than 2.7%.
9. a kind of Ti (C, N) based ceramic metal as claimed in claim 1, is characterized in that:
Described Ni/ (Ni+Cr) mass ratio is 0.6 ~ 0.98.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510885761.4A CN105543608A (en) | 2015-12-04 | 2015-12-04 | Ti(C, N) based metal ceramic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510885761.4A CN105543608A (en) | 2015-12-04 | 2015-12-04 | Ti(C, N) based metal ceramic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105543608A true CN105543608A (en) | 2016-05-04 |
Family
ID=55823161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510885761.4A Pending CN105543608A (en) | 2015-12-04 | 2015-12-04 | Ti(C, N) based metal ceramic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105543608A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6124040A (en) * | 1993-11-30 | 2000-09-26 | Widia Gmbh | Composite and process for the production thereof |
| CN101435047A (en) * | 2008-12-19 | 2009-05-20 | 华中科技大学 | Ceramet containing Ni-Cr binder and preparation thereof |
| CN102642021A (en) * | 2012-03-09 | 2012-08-22 | 成都邦普合金材料有限公司 | Material formula and preparation method of Ti(CN) metal ceramic added with rare earth |
| CN104674098A (en) * | 2015-02-13 | 2015-06-03 | 四川大学 | Cermet material based on TiCN-(Ti,M)CN core mixed structure and preparation method thereof |
-
2015
- 2015-12-04 CN CN201510885761.4A patent/CN105543608A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6124040A (en) * | 1993-11-30 | 2000-09-26 | Widia Gmbh | Composite and process for the production thereof |
| CN101435047A (en) * | 2008-12-19 | 2009-05-20 | 华中科技大学 | Ceramet containing Ni-Cr binder and preparation thereof |
| CN102642021A (en) * | 2012-03-09 | 2012-08-22 | 成都邦普合金材料有限公司 | Material formula and preparation method of Ti(CN) metal ceramic added with rare earth |
| CN104674098A (en) * | 2015-02-13 | 2015-06-03 | 四川大学 | Cermet material based on TiCN-(Ti,M)CN core mixed structure and preparation method thereof |
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Application publication date: 20160504 |
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