CN104831145A - Submicron SiC particle reinforced Ti (C, N)-based metal ceramic material and preparation method thereof - Google Patents
Submicron SiC particle reinforced Ti (C, N)-based metal ceramic material and preparation method thereof Download PDFInfo
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- CN104831145A CN104831145A CN201510298584.XA CN201510298584A CN104831145A CN 104831145 A CN104831145 A CN 104831145A CN 201510298584 A CN201510298584 A CN 201510298584A CN 104831145 A CN104831145 A CN 104831145A
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Abstract
The invention provides a submicron SiC particle reinforced Ti (C, N)-based metal ceramic material and a preparation method thereof. The metal ceramic material is composed of, by weight, 40-70% of Ti (C0.7N0.3), 1-10% of TaC, 5-20% of WC, 5-20% of Co, 5-20% of Ni, 5-15% of Mo and 1-10% of submicron SiC. By the submicron SiC particle reinforced Ti (C, N)-based metal ceramic material and the preparation method thereof, the problems of poor toughness, low bending strength and the like of Ti (C, N)-based metal ceramic materials are solved.
Description
Technical field
The present invention relates to Ti (C, N) base metal-ceramic material technical field, more specifically, relate to a kind of submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material and preparation method thereof.
Background technology
Because tungsten (W) is strategic resource in short supply, be badly in need of the few W of research and development or the cutter material without W.Ti (C, N) base metal-ceramic material has high degree hardness and wear resistance, and excellent chemical stability, red hardness and creep resisting ability are low with intermetallic frictional coefficient, is a kind of comparatively ideal cutter material.Since nineteen seventies occurs, Ti (C, N) base metal-ceramic material obtains in numerical control cutting cutter market and applies more and more widely.Compared with WC-Co hard alloy cutter, the workpiece surface finish that Ti (C, N) base ceramet tool bit cuts is high, and dimensional precision is high, is particularly suitable for precision work or the semi-finishing of hard-cutting material.
But Ti (C, N) base metal-ceramic material exists the weakness of the aspects such as poor toughness, bending strength are low, therefore, the material require making cutter provides a kind of new Ti (C, N) base metal-ceramic material.
Summary of the invention
In view of the above problems, the object of this invention is to provide a kind of submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material, to solve the problem of the aspects such as Ti (C, N) base metal-ceramic material poor toughness, bending strength be low.
The invention provides a kind of submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material, comprise Ti (C
0.7n
0.3) 40-70%, TaC1-10%, WC5-20%, Co5-20%, Ni5-20%, Mo5-15%; Wherein, submicron order SiC particle 1-10% is also comprised.
In addition, preferred scheme is, the density of submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material is 6.7-7.3g/cm
3, bending strength is 1200-2000MPa, and microhardness is 1600-2200; Fracture toughness property 13-18Mpam1/2.
The present invention also provides a kind of preparation method of submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material, comprising:
By said components batching, and add 1-5wt% paraffin binder in mixed batching;
The batching adding paraffin binder is added ball mill and carries out wet-milling;
After ball milling to the time of setting, slurry is placed in vacuum drying oven and carries out drying;
Dried powder to be sieved granulation by 40 eye mesh screens;
After pellet compression moulding, be placed in vacuum sintering furnace and sinter, obtained submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material.
In addition, preferred scheme is, carry out in the process of wet-milling the batching adding paraffin binder being added ball mill, ball-milling medium is dehydrated alcohol, and abrading-ball is sintered carbide ball, and Ball-milling Time is 30-50 hour.
In addition, preferred scheme is, by the process of pellet compression moulding, and pellet compression molding under the pressing pressure of 200-400MPa.
In addition, preferred scheme is, carries out in the process sintered at pellet vacuum sintering furnace, by the granule heating after compression moulding to 1400-1500 DEG C, and sinters 1-3 hour obtained submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material.
From technical scheme above, submicron order SiC particle reinforce Ti (C provided by the invention, N) base metal-ceramic material and preparation method thereof, at Ti (C, N) submicron order SiC particle is added in base metal-ceramic material, both the interfacial characteristics of hard phase and Binder Phase in Ti (C, N) base metal-ceramic material be can improve, fracture toughness property and the breaking tenacity of cermet material improved again by refined crystalline strengthening effect; And material provided by the invention can as the corrosion-resistant material preparing the cutter material such as CNC milling cutter, lathe tool or mechanical drive part high-abrasive material or chemical field.
In order to realize above-mentioned and relevant object, will describe in detail and the feature particularly pointed out in the claims after one or more aspect of the present invention comprises.Explanation below and accompanying drawing describe some illustrative aspects of the present invention in detail.But what these aspects indicated is only some modes that can use in the various modes of principle of the present invention.In addition, the present invention is intended to comprise all these aspects and their equivalent.
Accompanying drawing explanation
By reference to the content below in conjunction with the description of the drawings and claims, and understand more comprehensively along with to of the present invention, other object of the present invention and result will be understood and easy to understand more.In the accompanying drawings:
Fig. 1 is the back-scattered SEM image of 4000 x magnifications of the picture of submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material sintering structure according to the embodiment of the present invention.
Label identical in all of the figs indicates similar or corresponding feature or function.
Embodiment
In the following description, for purposes of illustration, in order to provide the complete understanding to one or more embodiment, many details have been set forth.But, clearly, also these embodiments can be realized when there is no these details.
Submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material provided by the invention, comprises Ti (C
0.7n
0.3) 40-70%, TaC1-10%, WC5-20%, Co5-20%, Ni5-20%, Mo5-15% and submicron order SiC particle 1-10%.The density of this submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material is 6.7-7.3g/cm
3, bending strength is 1200-2000MPa, and microhardness is 1600-2200; Fracture toughness property 13-18Mpam1/2.Its preparation method comprises the steps:
(1) by the mixing of said components batching, and 1-5wt% paraffin binder is added in mixed batching;
(2) batching adding paraffin binder is added ball mill and carry out wet-milling;
(3), after ball milling to the time of setting, slurry is placed in vacuum drying oven and carries out drying;
(4) dried powder to be sieved granulation by 40 eye mesh screens;
(5) by after pellet compression moulding, be placed in vacuum sintering furnace and sinter, obtained submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material.
Wherein, in step (2), carry out in the process of wet-milling the batching adding paraffin binder being added ball mill, ball-milling medium is dehydrated alcohol, and abrading-ball is sintered carbide ball, and Ball-milling Time is 30-50 hour.
Wherein, in step (5), by in the process of pellet compression moulding, pellet compression molding under the pressing pressure of 200-400MPa, and by the granule heating after compression moulding to 1400-1500 DEG C, and sinter 1-3 hour obtained submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material.
Fig. 1 is the submicron order SiC particle reinforce Ti (C according to the embodiment of the present invention, N) back-scattered SEM image of 4000 x magnifications of the picture of base metal-ceramic material sintering structure, as shown in Figure 1, submicron order SiC particle reinforce Ti (C prepared by the present invention, N) base metal-ceramic material heterogeneous microstructure comprises the hard phase of black, outer field white inner ring phase and time outer field grey outer shroud phase, wherein, black hard is Ti (C mutually, N) particle, white inner ring is W mutually, Mo atom is to Ti (C, N) diffusion in the and form (Ti of rich W and Mo, W, Mo) (C, N) sosoloid, grey outer shroud is Ta mutually, Mo, Si atom is at Ni, the sosoloid formed in Co Binder Phase.
Prepare submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material as follows:
Example one
The present embodiment takes following technical scheme: Ti (C
0.7n
0.3) 40-70%, TaC1-10%, WC5-20%, Co5-20%, Ni5-20%, Mo5-15% and submicron order SiC particle 1%, by component batching, after batching mixing, and add 1-5wt% paraffin binder in mixed batching; The batching adding paraffin binder is added ball mill and carries out wet-milling, wherein, ball-milling medium is dehydrated alcohol, and abrading-ball is sintered carbide ball, with certain ratio of grinding media to material and packing factor wet-milling 30-50 hour; To be sieved granulation by 40 eye mesh screens after vacuum drying oven; By the mixed powder compression molding under the pressing pressure of 200-400MPa made, finally in vacuum sintering furnace, be heated between 1400-1500 DEG C, sinter 1-3 hour obtained cermet material.Sintering finished density is 6.7-7.3g/cm
3, bending strength is 1200-2000MPa, and microhardness is 1600-2200; Fracture toughness property 13-18Mpam1/2.
Example two
The present embodiment takes following technical scheme: Ti (C
0.7n
0.3) 40-70%, TaC1-10%, WC5-20%, Co5-20%, Ni5-20%, Mo5-15% and submicron order SiC particle 5%, preparation method is consistent with example one, and sintering finished density is 6.7-7.3g/cm
3, bending strength is 1200-2000MPa, and microhardness is 1600-2200; Fracture toughness property 13-18Mpam1/2.
Example three
The present embodiment takes following technical scheme: Ti (C
0.7n
0.3) 40-70%, TaC1-10%, WC5-20%, Co5-20%, Ni5-20%, Mo5-15% and submicron order SiC particle 8%, preparation method is consistent with example one, and sintering finished density is 6.7-7.3g/cm
3, bending strength is 1200-2000MPa, and microhardness is 1600-2200; Fracture toughness property 13-18Mpam1/2.
Example four
The present embodiment takes following technical scheme: Ti (C
0.7n
0.3) 40-70%, TaC1-10%, WC5-20%, Co5-20%, Ni5-20%, Mo5-15% and submicron order SiC particle 10%, preparation method is consistent with example one, and sintering finished density is 6.7-7.3g/cm
3, bending strength is 1200-2000MPa, and microhardness is 1600-2200; Fracture toughness property 13-18Mpam1/2.
As can be seen here, by adding the submicron order SiC particle reinforce Ti (C that submicron order SiC particle is prepared, N) base metal-ceramic material, both original Ti (C can have been improved, N) interfacial characteristics of hard phase and Binder Phase in base metal-ceramic material, improves again fracture toughness property and the breaking tenacity of cermet material by refined crystalline strengthening effect.
Based on submicron order SiC particle reinforce Ti (C provided by the invention, N) the above-mentioned performance of base metal-ceramic material, submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material provided by the invention can be used as the corrosion-resistant material preparing the cutter material such as CNC milling cutter, lathe tool or mechanical drive part high-abrasive material or chemical field.
Submicron order SiC particle reinforce Ti (C, the N) base metal-ceramic material proposed according to the present invention is described in an illustrative manner above with reference to accompanying drawing.But, it will be appreciated by those skilled in the art that submicron order SiC particle reinforce Ti (C, the N) base metal-ceramic material that the invention described above is proposed, various improvement can also be made on the basis not departing from content of the present invention.Therefore, protection scope of the present invention should be determined by the content of appending claims.
Claims (6)
1. submicron order SiC particle reinforce Ti (C, a N) base metal-ceramic material, comprises Ti (C
0.7n
0.3) 40-70%, TaC1-10%, WC5-20%, Co5-20%, Ni5-20%, Mo5-15%; It is characterized in that, also comprise submicron order SiC particle 1-10%.
2. submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material as claimed in claim 1, wherein, the density of described submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material is 6.7-7.3g/cm
3, bending strength is 1200-2000MPa, and microhardness is 1600-2200; Fracture toughness property 13-18Mpam1/2.
3. a preparation method for submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material, comprising:
Prepare burden by the component of claim 1, and add 1-5wt% paraffin binder in mixed batching;
The batching adding described paraffin binder is added ball mill and carries out wet-milling;
After ball milling to the time of setting, slurry is placed in vacuum drying oven and carries out drying;
Dried powder to be sieved granulation by 40 eye mesh screens;
After pellet compression moulding, be placed in vacuum sintering furnace and sinter, obtained submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material.
4. the preparation method of submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material as claimed in claim 3, wherein,
Carry out in the process of wet-milling the batching adding described paraffin binder is added ball mill,
Ball-milling medium is dehydrated alcohol, and abrading-ball is sintered carbide ball, and Ball-milling Time is 30-50 hour.
5. the preparation method of submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material as claimed in claim 3, wherein,
By in the process of described pellet compression moulding, the compression molding under the pressing pressure of 200-400MPa of described pellet.
6. the preparation method of submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material as claimed in claim 3, wherein,
Carry out in the process sintered at described pellet vacuum sintering furnace, by the described granule heating after compression moulding to 1400-1500 DEG C, and sinter 1-3 hour obtained submicron order SiC particle reinforce Ti (C, N) base metal-ceramic material.
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| CN106825713A (en) * | 2017-02-21 | 2017-06-13 | 山东大学 | The manufacture method and milling cutter of a kind of fine milling cutter of cermet |
| CN107385303A (en) * | 2016-01-29 | 2017-11-24 | 重庆文理学院 | A kind of high fine and close and high tenacity metal material and preparation method thereof |
| CN107460389A (en) * | 2016-06-03 | 2017-12-12 | 杨新跃 | It is a kind of to prepare anti-sliding nail core composition and its method for preparing anti-sliding nail core |
| CN108149107A (en) * | 2017-12-04 | 2018-06-12 | 株洲夏普高新材料有限公司 | SiCWToughened cermet and preparation method thereof |
| CN108467983A (en) * | 2018-03-07 | 2018-08-31 | 河源华盈科技有限公司 | Using submicron order TaC and Cr3C2Ti (C, the N) base metal-ceramic materials and preparation method of enhancing |
| CN109536811A (en) * | 2018-12-26 | 2019-03-29 | 河源普益硬质合金厂有限公司 | A kind of Ti(CN) base TN18 cermet and its preparation process |
| CN109590480A (en) * | 2018-12-26 | 2019-04-09 | 河源普益硬质合金厂有限公司 | A kind of Ti(CN) base TN18 cermet making apparatus |
| CN112142479A (en) * | 2020-09-04 | 2020-12-29 | 华侨大学 | Preparation method of SiC @ Ti (C, N) core-shell structure ceramic powder |
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| CN107385303A (en) * | 2016-01-29 | 2017-11-24 | 重庆文理学院 | A kind of high fine and close and high tenacity metal material and preparation method thereof |
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| CN108149107A (en) * | 2017-12-04 | 2018-06-12 | 株洲夏普高新材料有限公司 | SiCWToughened cermet and preparation method thereof |
| CN108467983A (en) * | 2018-03-07 | 2018-08-31 | 河源华盈科技有限公司 | Using submicron order TaC and Cr3C2Ti (C, the N) base metal-ceramic materials and preparation method of enhancing |
| CN109536811A (en) * | 2018-12-26 | 2019-03-29 | 河源普益硬质合金厂有限公司 | A kind of Ti(CN) base TN18 cermet and its preparation process |
| CN109590480A (en) * | 2018-12-26 | 2019-04-09 | 河源普益硬质合金厂有限公司 | A kind of Ti(CN) base TN18 cermet making apparatus |
| CN112142479A (en) * | 2020-09-04 | 2020-12-29 | 华侨大学 | Preparation method of SiC @ Ti (C, N) core-shell structure ceramic powder |
| CN112142479B (en) * | 2020-09-04 | 2022-07-29 | 华侨大学 | Preparation method of SiC @ Ti (C, N) core-shell structure ceramic powder |
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