CN107177767A - A kind of TiC ceramic tools material and preparation method thereof - Google Patents
A kind of TiC ceramic tools material and preparation method thereof Download PDFInfo
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- CN107177767A CN107177767A CN201710437028.5A CN201710437028A CN107177767A CN 107177767 A CN107177767 A CN 107177767A CN 201710437028 A CN201710437028 A CN 201710437028A CN 107177767 A CN107177767 A CN 107177767A
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- tic
- solid solution
- tungsten carbide
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- tic ceramic
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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
- C22C29/06—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 carbides, but not containing other metal compounds
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
The present invention relates to a kind of TiC ceramic tools material.In the TiC ceramic tool materials, Co content is 6 ~ 10wt.%, and Ni contents are 6 ~ 10wt.%, and the content of Tungsten carbide titanium tantalum molybdenum solid solution is 80 ~ 88wt.%, and the chemical formula of the Tungsten carbide titanium tantalum molybdenum solid solution is（W0.09‑0.11Ti0.80‑0.88Ta0.020‑0.030Mo0.030‑0.040）C.The present invention can need to select chemical composition different according to different（W, Ti, Ta, Mo）Five yuan of solid solution of C, the ceramic tool material that acquisition component, performance differ, the quality stability, cutting ability and service life of cutter can be greatly improved by the preparation that the TiC ceramic tools material of the present invention is used for sintex.
Description
Technical field
The invention belongs to cermet field, and in particular to a kind of TiC ceramic tools material and preparation method thereof.
Background technology
In order to improve the cutting ability of TiC ceramic tool materials, people are commonly incorporated into WC, TaC, Mo2C improves metal
The high temperature red hardness of ceramic cutting tool material, to expand the application of ceramic tool.All be generally with WC, TaC,
Mo2C pure form addition.Research finds addition WC, TaC, and appropriate reduction TiC content can expand TiC funds ceramics
The application of cutting element；And Binder Phase and TiC wettability can be improved by adding Mo.Scientific worker passes through substantial amounts of examination
Existing addition WC, TaC are issued after examination and approval with solid solution thereof（W, Ti, Ta）C form adds effect more preferably, but effect promoting is limited.Mo
Addition be not typically prefabricated into TiC-Mo2C solid solution but be directly added into Mo2C prepares compound, it is difficult to reach expected
Effect.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of TiC cermets of excellent in mechanical performance
Cutter material, improves the cutting ability of the cutter prepared with the ceramic tool material, and provides the TiC ceramic tools
The preparation method of material.
The technical scheme is that：In a kind of TiC ceramic tools material, the ceramic tool material, Co
Content be 6 ~ 10wt.%, Ni contents are 6 ~ 10wt.%, and the content of Tungsten carbide titanium tantalum molybdenum solid solution is 80 ~ 88wt.%, the carbon
Change tungsten titanium tantalum molybdenum solid solution chemical formula be（W0.09-0.11Ti0.80-0.88Ta0.020-0.030Mo0.030-0.040）C.Using this solid solution
Mode adds WC, TaC and Mo2C can make the material metallographic structure produced more uniform, improve the phase structure of hard phase,
Grain structure is more tiny, and the intensity and hardness of material are substantially improved.
Further, the chemical formula of the Tungsten carbide titanium tantalum molybdenum solid solution is（W0.09-0.11Ti0.82-0.86Ta0.023- 0.027Mo0.033-0.037）C.
Further, the chemical formula of the Tungsten carbide titanium tantalum molybdenum solid solution is（W0.1Ti0.84Ta0.025Mo0.035）C.
Further, Co and Ni average grain diameter is 0.8 ~ 1.0 μm in the ceramic tool material.
Further, the average grain diameter of the Tungsten carbide titanium tantalum molybdenum solid solution is 2 ~ 3 μm.
In the present invention, the preparation method of above-mentioned metal pottery cutter material comprises the following steps：
（1）Co, Ni, Tungsten carbide titanium tantalum molybdenum solid-solution powder are weighed respectively according to formula, are mixed；
（2）To step（1）Wet grinding media is added in middle mixture, 68 ~ 74h of ball milling uniformly mixes raw material, wherein, ball material
Than for 3 ~ 6:1；
（3）Mix again and account for step（2）2 ~ 6wt.% of mixed material total amount of middle acquisition forming agent, is mixed after 1 ~ 3h, drying and granulating
Blade blank is pressed into, under the conditions of 1450 ~ 1475 DEG C, 4 ~ 6MPa, 1 ~ 2h of low pressure sintering obtains metal pottery cutter material.
Further, step（2）Middle wet grinding media is hexane, and the addition of wet grinding media adds for per kilogram powder stock
350 ~ 450 milliliters.
Further, step（2）Middle Ball-milling Time is 72h, and ratio of grinding media to material is 4:1.
Further, step（3）Middle forming agent is paraffin.
Further, step（3）Middle sintering temperature is 1470 DEG C, and sintering time is 1.5h.
The present invention can need to select chemical composition different according to different（W, Ti, Ta, Mo）Five yuan of solid solution of C, are obtained
The TiC ceramic tool materials that component, performance differ, are used for sintex by the TiC ceramic tools material of the present invention
Preparation can greatly improve the quality stability, cutting ability and service life of cutter.
Brief description of the drawings
Fig. 1 is the XRD spectrum of Tungsten carbide titanium tantalum molybdenum solid-solution powder used in the present invention.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the embodiment in the present invention and the feature in embodiment can be mutually combined.
Embodiment 1
In present embodiment, in ceramic tool material, Co content is 6wt.%, and Ni contents are 8wt.%, Tungsten carbide titanium tantalum
The content of molybdenum solid solution is 86wt.%, and the chemical formula of the Tungsten carbide titanium tantalum molybdenum solid solution is（W0.1Ti0.84Ta0.025Mo0.035）C.
The preparation method of the ceramic tool material is as follows：
（1）According to formula weigh respectively Co, Ni and（W0.1Ti0.84Ta0.025Mo0.035）C, mixing, wherein, Co, Ni average grain
Footpath is respectively 1 μm；
（2）Using hexane as wet grinding media, ball milling 72h uniformly mixes raw material, wherein, ratio of grinding media to material is 4:1；
（3）Blade blank is pressed into after joining wax mixing 2h, drying and granulating again, under the conditions of 1470 DEG C, 4 ~ 6MPa, low pressure sintering
1.5h, obtains TiC metals pottery cutter material A.
Wherein, step（2）The addition of middle hexane is that per kilogram powder stock adds 400 milliliters.
From figure 1 it appears that solid-solution powder used is single-phase material, and crystallinity is higher.
Comparative example 1
With WC, TaC, Mo2C simple substance modes add to produce the conventional Ti C based metal ceramic cutter materials of same composition, specific examination
Test situation as follows：
The making formula of conventional Ti C based metal ceramic cutter materials is：6wt.%Co, 8 wt.%Ni, 20wt.%WC, 5.2 wt.%
TaC, 7.7 wt.%Mo2C, remaining is TiC.In the case where only changing formula, obtained using the preparation method in embodiment 1
TiC ceramic tool materials B.
TiC ceramic tools materials A and TiC ceramic tool materials B performance test results are specific such as the institute of table 1
Show.
Ceramic tool material property under the different solid solution modes of table 1
| Scheme | Product | Bending strength（M Pa） | Hardness（HRA） | Density（g/cm3） | Metallographic structure |
| Embodiment 1 | Ceramic tool A | 1885 | 92.0 | 6.84 | A02B00C00 |
| Comparative example 1 | Ceramic tool B | 1420 | 91.4 | 6.80 | A02B02C00 |
From table 1 it follows that the cermet cutter material of the present invention has compared with conventional Ti C base metal-ceramic materials
There is substantially superior mechanical performance, TiC ceramic tools A of the invention is carried than the bending strength of traditional ceramic tool
32.7% is risen, also has lifting in terms of hardness, the cutting power and service life of cutter can be greatly improved.
The content that above-described embodiment is illustrated should be understood to that these embodiments are only used for being illustrated more clearly that the present invention, without
For limiting the scope of the present invention, after the present invention has been read, the various equivalent form of values of the those skilled in the art to the present invention
Modification each fall within the application appended claims limited range.
Claims (10)
1. a kind of TiC ceramic tools material, it is characterised in that in the ceramic tool material, Co content for 6 ~
10wt.%, Ni content are 6 ~ 10wt.%, and the content of Tungsten carbide titanium tantalum molybdenum solid solution is 80 ~ 88wt.%, the Tungsten carbide titanium tantalum molybdenum
The chemical formula of solid solution is（W0.09-0.11Ti0.80-0.88Ta0.020-0.030Mo0.030-0.040）C.
2. TiC ceramic tools material according to claim 1, it is characterised in that the Tungsten carbide titanium tantalum molybdenum solid solution
The chemical formula of body is（W0.09-0.11Ti0.82-0.86Ta0.023-0.027Mo0.033-0.037）C.
3. TiC ceramic tools material according to claim 1, it is characterised in that the Tungsten carbide titanium tantalum molybdenum solid solution
The chemical formula of body is（W0.1Ti0.84Ta0.025Mo0.035）C.
4. TiC ceramic tools material according to claim 1, it is characterised in that the ceramic tool material
Middle Co and Ni average grain diameter are 0.8 ~ 1.0 μm.
5. TiC ceramic tools material according to claim 1, it is characterised in that the Tungsten carbide titanium tantalum molybdenum solid solution
The average grain diameter of body is 2 ~ 3 μm.
A kind of preparation method of cutter material 6. TiC metals as described in any one of claim 1 ~ 5 are made pottery, it is characterised in that bag
Include following steps：
（1）Co, Ni, Tungsten carbide titanium tantalum molybdenum solid-solution powder are weighed respectively according to formula, are mixed；
（2）To step（1）Wet grinding media is added in middle mixture, 68 ~ 74h of ball milling uniformly mixes raw material, wherein, ball material
Than for 3 ~ 6:1；
（3）Mix again and account for step（2）2 ~ 6wt.% of mixed material total amount of middle acquisition forming agent, is mixed after 1 ~ 3h, drying and granulating
Blade blank is pressed into, under the conditions of 1450 ~ 1475 DEG C, 4 ~ 6MPa, 1 ~ 2h of low pressure sintering obtains metal pottery cutter material.
7. the preparation method of TiC ceramic tools according to claim 6, it is characterised in that step（2）Middle wet-milling is situated between
Matter is hexane, and the addition of wet grinding media adds 350 ~ 450 milliliters for per kilogram powder stock.
8. the preparation method of TiC ceramic tools according to claim 6, it is characterised in that step（2）During middle ball milling
Between be 72h, ratio of grinding media to material is 4:1.
9. the preparation method of ceramic tool according to claim 6, it is characterised in that step（3）Forming agent is stone
Wax.
10. the preparation method of TiC ceramic tools according to claim 6, it is characterised in that step（3）Middle sintering
Temperature is 1470 DEG C, and sintering time is 1.5h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710437028.5A CN107177767A (en) | 2017-06-12 | 2017-06-12 | A kind of TiC ceramic tools material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710437028.5A CN107177767A (en) | 2017-06-12 | 2017-06-12 | A kind of TiC ceramic tools material and preparation method thereof |
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| CN107177767A true CN107177767A (en) | 2017-09-19 |
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| CN201710437028.5A Pending CN107177767A (en) | 2017-06-12 | 2017-06-12 | A kind of TiC ceramic tools material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842906A (en) * | 2019-11-07 | 2020-10-30 | 齐鲁工业大学 | Preparation method of metal ceramic cutter material added with nano cubic boron nitride |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0505991A1 (en) * | 1991-03-27 | 1992-09-30 | Hitachi Metals, Ltd. | Titanium carbide-based cermet alloy |
| US20050047950A1 (en) * | 2003-08-26 | 2005-03-03 | Shim Jae Hyeok | Method of fabricating ultra-fine cermet alloys with homogeous solid grain structure |
| CN102952987A (en) * | 2012-11-21 | 2013-03-06 | 邓湘凌 | High-hardness and high-toughness metal ceramic composition and preparation method thereof |
| CN105483488A (en) * | 2016-01-29 | 2016-04-13 | 重庆文理学院 | Micro-nano tungsten/molybdenum/tantalum carbide solid-solution composite powder and preparation method thereof |
-
2017
- 2017-06-12 CN CN201710437028.5A patent/CN107177767A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0505991A1 (en) * | 1991-03-27 | 1992-09-30 | Hitachi Metals, Ltd. | Titanium carbide-based cermet alloy |
| US20050047950A1 (en) * | 2003-08-26 | 2005-03-03 | Shim Jae Hyeok | Method of fabricating ultra-fine cermet alloys with homogeous solid grain structure |
| CN102952987A (en) * | 2012-11-21 | 2013-03-06 | 邓湘凌 | High-hardness and high-toughness metal ceramic composition and preparation method thereof |
| CN105483488A (en) * | 2016-01-29 | 2016-04-13 | 重庆文理学院 | Micro-nano tungsten/molybdenum/tantalum carbide solid-solution composite powder and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 周书助: "《硬质合金生产原理和质量控制》", 31 August 2014, 冶金工业出版社 * |
| 易健宏: "《粉末冶金材料》", 31 July 2016, 中南大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842906A (en) * | 2019-11-07 | 2020-10-30 | 齐鲁工业大学 | Preparation method of metal ceramic cutter material added with nano cubic boron nitride |
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Application publication date: 20170919 |