CN108892505A - A kind of refractory ceramics cutter and preparation method thereof - Google Patents
A kind of refractory ceramics cutter and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/404—Refractory metals
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
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Abstract
The invention discloses a kind of refractory ceramics cutters, are made of the raw material below according to parts by weight：46-49 parts of nano zircite, 6-8 parts of nano scandium oxide, 3-5 parts of Nanometer-sized Neodymium Oxide, 0.9-1.4 parts of nano-tantalum.The present invention also provides the preparation methods of the refractory ceramics cutter.High-strength ceramic cutter prepared by the present invention has good bending strength and fracture toughness, can satisfy market to the increasing performance requirement of sintex, and is conducive to the application range for further expanding sintex.
Description
The application is the divisional application of following application：The applying date is on 04 20th, 2016, application No. is
2016102568672, entitled a kind of high-strength ceramic cutter and preparation method thereof.
Technical field
The present invention relates to ceramic field, specifically a kind of refractory ceramics cutter and preparation method thereof.
Background technique
Machining occupies consequence in the field of machining, it is most basic, most reliable manufacturing process.
And the performance of cutter is to influence machining efficiency, precision, surface quality etc. to obtain one of determinant.International machinery production technology
One research report of research association (CIRP) is pointed out:" appearance of each new cutter material will all make the ability of machining
Major step is strided forward horizontally forward ".Cutter material has been the most important factor for influencing Machining Technology for Cutting, knife since a century
Have material development from carbon tool steel, high-speed steel, hard alloy, TiC coated carbides, A12O3 coated carbides to
The appearance of Advanced Ceramic Tool improves machining efficiency.
Sintex has gradually replaced traditional hard because having the features such as high hardness and corrosion resistance, wear-resisting and high temperature resistant
Alloy cutter, application are more and more extensive.Compared with traditional hard alloy cutter, the major defect of sintex is exactly that bending resistance is strong
Degree and fracture toughness are bad, when cutting temperature changes, are easy to produce slight crack, therefore improve the bending strength of sintex
And fracture toughness is the research hotspot in sintex field.A kind of high-hardness ceramic is disclosed in Chinese patent CN104355615B
Cutter material and preparation method thereof, although improving the bending strength and fracture toughness of ceramic material to a certain extent, also
Enough mechanical property requirements cannot be reached, it is also necessary to further increase bending strength and fracture toughness.
Summary of the invention
The purpose of the present invention is to provide a kind of refractory ceramics cutters and preparation method thereof, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the present invention provides the following technical solutions：
A kind of refractory ceramics cutter, is made of the raw material below according to parts by weight：46-49 parts of nano zircite, nanometer
6-8 parts of scandium oxide, 3-5 parts of Nanometer-sized Neodymium Oxide, 0.9-1.4 parts of nano-tantalum.
As a further solution of the present invention：It is made of the raw material below according to parts by weight：47-48 parts of nano zircite,
6.5-7.8 parts of nano scandium oxide, 3.2-4.5 parts of Nanometer-sized Neodymium Oxide, 1.0-1.3 parts of nano-tantalum.
As further scheme of the invention：It is made of the raw material below according to parts by weight：47.5 parts of nano zircite,
6.9 parts of nano scandium oxide, 4.1 parts of Nanometer-sized Neodymium Oxide, 1.2 parts of nano-tantalum.
The preparation method of the refractory ceramics cutter, steps are as follows：
1) nano scandium oxide and nano-tantalum are weighed, after ball milling mixing 5-6h, drying obtains the first mixture；
2) the first mixture is put into calcining furnace, the calcination processing 1.5-2h at 925-950 DEG C, obtains calcining material；
3) will calcine feed powder it is broken after, cross 250-300 mesh, obtain calcined powder；
4) nano zircite and Nanometer-sized Neodymium Oxide are weighed, is put into ball mill, and calcined powder is added, ball milling mixing 8-
It is dry after 10h, the second mixture is obtained, and the adhesive that the 0.5-3% of the second mixture total mass is added is granulated, and is obtained
Obtain pellet；
5) pellet is dry-pressing formed at 50-80Mpa, obtain green body；
6) to hip treatment is carried out under 1100-1150 DEG C of green body progress, 180-200Mpa, make blank Densification, obtain
Obtain dense green；
7) dense green is put into hot-pressed sintering furnace, is sintered, obtains at 10-15Mpa, 1400-1430 DEG C
Obtain cutter semi-finished product；
8) cutter semi-finished product polished, polished to get refractory ceramics cutter.
As a further solution of the present invention：Adhesive described in step 4) is poly-vinyl alcohol solution and carboxymethyl cellulose
One or both of combination.
As further scheme of the invention：Adhesive described in step 4) is poly-vinyl alcohol solution and carboxymethyl cellulose
Element is according to volume ratio 2:3 match.
Compared with prior art, the beneficial effects of the invention are as follows：
Refractory ceramics cutter prepared by the present invention has good bending strength and fracture toughness, and bending strength is
1347-1508Mpa, fracture toughness 15.4-16.9Mpam1/2 can satisfy market property increasing to sintex
Energy demand, and be conducive to the application range for further expanding sintex.
Specific embodiment
Technical solution of the present invention is described in more detail With reference to embodiment.
Embodiment 1
A kind of refractory ceramics cutter, is made of the raw material below according to parts by weight：It is 46 parts of nano zircite, nano oxidized
6 parts of scandium, 3 parts of Nanometer-sized Neodymium Oxide, 0.9 part of nano-tantalum.
The preparation method of refractory ceramics cutter described in the present embodiment, steps are as follows：
1) nano scandium oxide and nano-tantalum are weighed, after ball milling mixing 5h, drying obtains the first mixture；
2) the first mixture is put into calcining furnace, the calcination processing 1.5h at 925 DEG C, obtains calcining material；
3) will calcine feed powder it is broken after, cross 250 meshes, obtain calcined powder；
4) nano zircite and Nanometer-sized Neodymium Oxide are weighed, is put into ball mill, and calcined powder is added, ball milling mixing 8h
Afterwards, dry, the second mixture is obtained, and 0.5% adhesive that the second mixture total mass is added is granulated, obtains grain
Material；
5) pellet is dry-pressing formed at 50Mpa, obtain green body；
6) to hip treatment is carried out under 1100 DEG C of green body progress, 180Mpa, make blank Densification, obtain fine and close base
Body；
7) dense green is put into hot-pressed sintering furnace, is sintered at 10Mpa, 1400 DEG C, obtain cutter half
Finished product；
8) cutter semi-finished product polished, polished to get refractory ceramics cutter.
The adhesive is poly-vinyl alcohol solution.
Embodiment 2
A kind of refractory ceramics cutter, is made of the raw material below according to parts by weight：It is 47 parts of nano zircite, nano oxidized
6 parts of scandium, 5 parts of Nanometer-sized Neodymium Oxide, 1.4 parts of nano-tantalum.
The preparation method of refractory ceramics cutter described in the present embodiment, steps are as follows：
1) nano scandium oxide and nano-tantalum are weighed, after ball milling mixing 6h, drying obtains the first mixture；
2) the first mixture is put into calcining furnace, the calcination processing 2h at 940 DEG C, obtains calcining material；
3) will calcine feed powder it is broken after, cross 250 meshes, obtain calcined powder；
4) nano zircite and Nanometer-sized Neodymium Oxide are weighed, is put into ball mill, and calcined powder is added, ball milling mixing 8h
Afterwards, dry, the second mixture is obtained, and 1.5% adhesive that the second mixture total mass is added is granulated, obtains grain
Material；
5) pellet is dry-pressing formed at 60Mpa, obtain green body；
6) to hip treatment is carried out under 1150 DEG C of green body progress, 180Mpa, make blank Densification, obtain fine and close base
Body；
7) dense green is put into hot-pressed sintering furnace, is sintered at 10Mpa, 1400 DEG C, obtain cutter half
Finished product；
8) cutter semi-finished product polished, polished to get refractory ceramics cutter.
The adhesive is carboxymethyl cellulose.
Embodiment 3
A kind of refractory ceramics cutter, is made of the raw material below according to parts by weight：47.5 parts of nano zircite, nano oxygen
Change 6.9 parts of scandium, 4.1 parts of Nanometer-sized Neodymium Oxide, 1.2 parts of nano-tantalum.
The preparation method of refractory ceramics cutter described in the present embodiment, steps are as follows：
1) nano scandium oxide and nano-tantalum are weighed, after ball milling mixing 5.5h, drying obtains the first mixture；
2) the first mixture is put into calcining furnace, the calcination processing 2h at 940 DEG C, obtains calcining material；
3) will calcine feed powder it is broken after, cross 280 meshes, obtain calcined powder；
4) nano zircite and Nanometer-sized Neodymium Oxide are weighed, is put into ball mill, and calcined powder is added, ball milling mixing 9h
Afterwards, dry, the second mixture is obtained, and 2% adhesive that the second mixture total mass is added is granulated, obtains pellet；
5) pellet is dry-pressing formed at 65Mpa, obtain green body；
6) to hip treatment is carried out under 1125 DEG C of green body progress, 190Mpa, make blank Densification, obtain fine and close base
Body；
7) dense green is put into hot-pressed sintering furnace, is sintered at 13Mpa, 1415 DEG C, obtain cutter half
Finished product；
8) cutter semi-finished product polished, polished to get refractory ceramics cutter.
The adhesive is poly-vinyl alcohol solution and carboxymethyl cellulose according to volume ratio 2:3 match.
Embodiment 4
A kind of refractory ceramics cutter, is made of the raw material below according to parts by weight：It is 48 parts of nano zircite, nano oxidized
7 parts of scandium, 5 parts of Nanometer-sized Neodymium Oxide, 1.2 parts of nano-tantalum.
The preparation method of refractory ceramics cutter described in the present embodiment, steps are as follows：
1) nano scandium oxide and nano-tantalum are weighed, after ball milling mixing 6h, drying obtains the first mixture；
2) the first mixture is put into calcining furnace, the calcination processing 1.5h at 928 DEG C, obtains calcining material；
3) will calcine feed powder it is broken after, cross 300 meshes, obtain calcined powder；
4) nano zircite and Nanometer-sized Neodymium Oxide are weighed, is put into ball mill, and calcined powder is added, ball milling mixing 9h
Afterwards, dry, the second mixture is obtained, and 3% adhesive that the second mixture total mass is added is granulated, obtains pellet；
5) pellet is dry-pressing formed at 50Mpa, obtain green body；
6) to hip treatment is carried out under 1110 DEG C of green body progress, 180Mpa, make blank Densification, obtain fine and close base
Body；
7) dense green is put into hot-pressed sintering furnace, is sintered at 15Mpa, 1400 DEG C, obtain cutter half
Finished product；
8) cutter semi-finished product polished, polished to get refractory ceramics cutter.
The adhesive is poly-vinyl alcohol solution and carboxymethyl cellulose according to volume ratio 7:5 match.
Embodiment 5
A kind of refractory ceramics cutter, is made of the raw material below according to parts by weight：It is 49 parts of nano zircite, nano oxidized
7 parts of scandium, 3 parts of Nanometer-sized Neodymium Oxide, 1.3 parts of nano-tantalum.
The preparation method of refractory ceramics cutter described in the present embodiment, steps are as follows：
1) nano scandium oxide and nano-tantalum are weighed, after ball milling mixing 5.5h, drying obtains the first mixture；
2) the first mixture is put into calcining furnace, the calcination processing 1.5h at 945 DEG C, obtains calcining material；
3) will calcine feed powder it is broken after, cross 250 meshes, obtain calcined powder；
4) nano zircite and Nanometer-sized Neodymium Oxide are weighed, is put into ball mill, and calcined powder is added, ball milling mixing 10h
Afterwards, dry, the second mixture is obtained, and 2.8% adhesive that the second mixture total mass is added is granulated, obtains grain
Material；
5) pellet is dry-pressing formed at 55Mpa, obtain green body；
6) to hip treatment is carried out under 1100 DEG C of green body progress, 190Mpa, make blank Densification, obtain fine and close base
Body；
7) dense green is put into hot-pressed sintering furnace, is sintered at 14Mpa, 1430 DEG C, obtain cutter half
Finished product；
8) cutter semi-finished product polished, polished to get refractory ceramics cutter.
The adhesive is poly-vinyl alcohol solution and carboxymethyl cellulose according to volume ratio 1:2 match.
Embodiment 6
A kind of refractory ceramics cutter, is made of the raw material below according to parts by weight：It is 49 parts of nano zircite, nano oxidized
8 parts of scandium, 5 parts of Nanometer-sized Neodymium Oxide, 1.4 parts of nano-tantalum.
The preparation method of refractory ceramics cutter described in the present embodiment, steps are as follows：
1) nano scandium oxide and nano-tantalum are weighed, after ball milling mixing 6h, drying obtains the first mixture；
2) the first mixture is put into calcining furnace, the calcination processing 2h at 950 DEG C, obtains calcining material；
3) will calcine feed powder it is broken after, cross 300 meshes, obtain calcined powder；
4) nano zircite and Nanometer-sized Neodymium Oxide are weighed, is put into ball mill, and calcined powder is added, ball milling mixing 10h
Afterwards, dry, the second mixture is obtained, and 3% adhesive that the second mixture total mass is added is granulated, obtains pellet；
5) pellet is dry-pressing formed at 80Mpa, obtain green body；
6) to hip treatment is carried out under 1150 DEG C of green body progress, 200Mpa, make blank Densification, obtain fine and close base
Body；
7) dense green is put into hot-pressed sintering furnace, is sintered at 15Mpa, 1430 DEG C, obtain cutter half
Finished product；
8) cutter semi-finished product polished, polished to get refractory ceramics cutter.
The adhesive is carboxymethyl cellulose.
Performance detection is carried out to embodiment 1-6, the data of acquisition are as shown in table 1.
1 performance test table of table
As can be seen from the above table, refractory ceramics cutter prepared by the present invention, bending strength 1347-1508Mpa break
Splitting toughness is 15.4-16.9Mpam1/2.With the bending strength 1098Mpa of comparison patent CN104355615B, fracture toughness is
14Mpam1/2 is compared, and refractory ceramics cutter prepared by the present invention is conveniently superior to compare in bending strength and fracture toughness
Patent.
Refractory ceramics cutter prepared by the present invention has good bending strength and fracture toughness, can satisfy market pair
The increasing performance requirement of sintex, and be conducive to the application range for further expanding sintex.
Better embodiment of the invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be without departing from the purpose of the present invention
Various changes can be made.
Claims (1)
1. a kind of preparation method of refractory ceramics cutter, which is characterized in that steps are as follows：
1) nano scandium oxide and nano-tantalum are weighed, after ball milling mixing 5.5h, drying obtains the first mixture；
2) the first mixture is put into calcining furnace, the calcination processing 1.5-2h at 940 DEG C, obtains calcining material；
3) will calcine feed powder it is broken after, cross 280 meshes, obtain calcined powder；
4) nano zircite and Nanometer-sized Neodymium Oxide are weighed, is put into ball mill, and calcined powder is added, after ball milling mixing 9h, is done
It is dry, the second mixture is obtained, and 2% adhesive that the second mixture total mass is added is granulated, obtains pellet；
5) pellet is dry-pressing formed at 65Mpa, obtain green body；
6) to hip treatment is carried out under 1125 DEG C of green body progress, 190Mpa, make blank Densification, obtain dense green；
7) dense green is put into hot-pressed sintering furnace, is sintered at 13Mpa, 1415 DEG C, obtain cutter semi-finished product；
8) cutter semi-finished product polished, polished to get refractory ceramics cutter.
Refractory ceramics cutter is made of the raw material below according to parts by weight：47.5 parts of nano zircite, nano scandium oxide 6.9
Part, 4.1 parts of Nanometer-sized Neodymium Oxide, 1.2 parts of nano-tantalum.
The adhesive is the combination of one or both of poly-vinyl alcohol solution and carboxymethyl cellulose, poly-vinyl alcohol solution and carboxylic
Methylcellulose is according to volume ratio 2:3 match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811085138.0A CN108892505A (en) | 2016-04-20 | 2016-04-20 | A kind of refractory ceramics cutter and preparation method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811085138.0A CN108892505A (en) | 2016-04-20 | 2016-04-20 | A kind of refractory ceramics cutter and preparation method thereof |
| CN201610256867.2A CN105948738B (en) | 2016-04-20 | 2016-04-20 | A kind of high-strength ceramic cutter and preparation method thereof |
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| CN201610256867.2A Division CN105948738B (en) | 2016-04-20 | 2016-04-20 | A kind of high-strength ceramic cutter and preparation method thereof |
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| CN108892505A true CN108892505A (en) | 2018-11-27 |
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| CN201811085136.1A Pending CN108911743A (en) | 2016-04-20 | 2016-04-20 | A kind of corrosion-resistant ceramic cutter and preparation method thereof |
| CN201811085138.0A Withdrawn CN108892505A (en) | 2016-04-20 | 2016-04-20 | A kind of refractory ceramics cutter and preparation method thereof |
| CN201610256867.2A Active CN105948738B (en) | 2016-04-20 | 2016-04-20 | A kind of high-strength ceramic cutter and preparation method thereof |
| CN201811086302.XA Pending CN108947527A (en) | 2016-04-20 | 2016-04-20 | A kind of sintex and preparation method thereof |
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| CN201811086302.XA Pending CN108947527A (en) | 2016-04-20 | 2016-04-20 | A kind of sintex and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106518068A (en) * | 2016-11-10 | 2017-03-22 | 佛山蓝途科技有限公司 | High-strength composite ceramic tool and preparation method thereof |
| CN108863355B (en) * | 2018-08-13 | 2021-10-08 | 青岛欧维斯节能材料有限公司 | Preparation method of modified nano-zirconia for preparing high-strength ceramic |
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| ATE71608T1 (en) * | 1985-04-11 | 1992-02-15 | Corning Glass Works | HIGH STRENGTH CERAMIC ALLOY. |
| US4770673A (en) * | 1987-10-09 | 1988-09-13 | Corning Glass Works | Ceramic cutting tool inserts |
| DK0395912T3 (en) * | 1989-05-02 | 1993-12-06 | Lonza Ag | Sintered zirconia powder and process for its preparation |
| DE69303882T2 (en) * | 1992-12-22 | 1997-03-06 | Eastman Kodak Co | Process for the production of objects made of zirconium oxide with tetragonal cores and monoclinic coatings |
| US5723393A (en) * | 1997-03-06 | 1998-03-03 | Eastman Kodak Company | Zirconia ceramic article |
| JP3684751B2 (en) * | 1997-03-28 | 2005-08-17 | ソニー株式会社 | Signal encoding method and apparatus |
| US6017839A (en) * | 1998-02-09 | 2000-01-25 | Eastman Kodak Company | Ceramic article |
| WO2001041660A1 (en) * | 1999-12-07 | 2001-06-14 | Vorobiev, Alexandr Sergeevich | Zirconium dioxide based material, surgical cutting tools made of zirconium dioxide based material, tools made of zirconium dioxide based material |
| CN1246256C (en) * | 2004-10-13 | 2006-03-22 | 天津大学 | Method for preparing high tenacity stable zirconia ceramics with partial porous network structure |
| CN100545127C (en) * | 2007-04-23 | 2009-09-30 | 株洲工学院科技开发部 | Crystal whisker toughened base titanium carbonitride cutting tip of SiC and preparation method thereof |
| CN101234898A (en) * | 2008-03-03 | 2008-08-06 | 哈尔滨工业大学 | Method for preparing multi-component zirconium oxide based heat barrier oxide nano powder material |
| CN100532324C (en) * | 2008-11-13 | 2009-08-26 | 赣州虔东稀土集团股份有限公司 | Pink yttrium-zirconium structural ceramic and its preparation method |
| CN101602111B (en) * | 2009-06-23 | 2011-01-05 | 邓湘凌 | Super-strong and super-toughened ceramic cutter and manufacturing method thereof |
| CN102557622A (en) * | 2010-12-20 | 2012-07-11 | 苏州中锆新材料科技有限公司 | Preparation method for calcium oxide-sintered high-performance scandia ceramic material |
| CN103204678B (en) * | 2012-01-16 | 2016-01-20 | 佛山市陶瓷研究所有限公司 | Strong superelevation toughened ceramic cutter of a kind of superelevation and preparation method thereof |
| CN103848633B (en) * | 2012-12-06 | 2016-08-03 | 比亚迪股份有限公司 | A kind of antibacterial ceramic cutter and preparation method thereof |
| CN103708832B (en) * | 2013-09-29 | 2014-12-10 | 雅安远创陶瓷有限责任公司 | Nano ceramic cutter and preparation method thereof |
| CN104355615B (en) * | 2014-10-27 | 2016-03-02 | 合肥市东庐机械制造有限公司 | A kind of high-hardness ceramic cutter material and preparation method thereof |
| CN105063455B (en) * | 2015-08-24 | 2017-10-31 | 珠海市钜鑫科技开发有限公司 | It is a kind of to contain cubic boron nitride, ceramics, the cutter material of metal and preparation method thereof |
| CN105367056B (en) * | 2015-12-15 | 2018-06-29 | 东莞信柏结构陶瓷股份有限公司 | The preparation method of zirconia ceramics pelletizing |
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2016
- 2016-04-20 CN CN201811085136.1A patent/CN108911743A/en active Pending
- 2016-04-20 CN CN201811085138.0A patent/CN108892505A/en not_active Withdrawn
- 2016-04-20 CN CN201610256867.2A patent/CN105948738B/en active Active
- 2016-04-20 CN CN201811086302.XA patent/CN108947527A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN108947527A (en) | 2018-12-07 |
| CN105948738B (en) | 2018-11-02 |
| CN105948738A (en) | 2016-09-21 |
| CN108911743A (en) | 2018-11-30 |
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