CN102259343A - Multilayer composite ceramic cutting tool - Google Patents
Multilayer composite ceramic cutting tool Download PDFInfo
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- CN102259343A CN102259343A CN2010101862394A CN201010186239A CN102259343A CN 102259343 A CN102259343 A CN 102259343A CN 2010101862394 A CN2010101862394 A CN 2010101862394A CN 201010186239 A CN201010186239 A CN 201010186239A CN 102259343 A CN102259343 A CN 102259343A
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- layer
- thulium
- multilayer composite
- cutting tool
- powder
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Abstract
The invention relates to the technical field of cutting tools, in particular to a multilayer composite ceramic cutting tool. The multilayer composite ceramic cutting tool is characterized in that: an upper layer is a nano thulium zirconium ceramic powder body layer; an intermediate layer is an Al2O3 composite material layer; and a lower layer is the nano thulium zirconium ceramic powder body layer. Compared with the prior art, the multilayer composite ceramic cutting tool has a simple and novel structure, high oxidation resistance, a stable chemical property and high corrosion resistance; and the nano thulium zirconium ceramic powder body layer on the outer layer has high intensity, and the intermediate layer is the Al2O3 composite material layer, so that the rigidity and the destruction resistance of the cutting tool are improved.
Description
[technical field]
The present invention relates to a kind of cutting-tool engineering field, specifically is a kind of MULTILAYER COMPOSITE sintex.
[background technology]
Existing alumina tool: adopt pure AL in the cutter material
2O
3Pottery reaches with AL
2O
3Be main and the ceramic material of a small amount of other elements of interpolation, as MgO, NiO, SiO
2, TiO
2And Cr
2O
3Deng.These additives help strengthening AL
2O
3Bending strength.The room temperature hardness and the high temperature hardness of this kind sintex all are higher than Hardmetal materials, especially can overcome the distortion and the shortcoming of subsiding that general high-speed steel tool and carbide cutting blade are prone to.In addition, AL
2O
3Anti-oxidant, the anti-cementability and the chemical inertness of sintex are better.
Stupalox has a fatal shortcoming, and fragility is big, and the performance that this has greatly limited the sintex premium properties limits its application in practice.
[summary of the invention]
The objective of the invention is to overcome the deficiencies in the prior art, the MULTILAYER COMPOSITE sintex of a kind of high tenacity and strong anti-destructive is provided.
For achieving the above object, design a kind of MULTILAYER COMPOSITE sintex, it is characterized in that described MULTILAYER COMPOSITE sintex upper strata is a nanometer thulium zircon ceramic powder layer, the intermediate layer is AL
2O
3Composite layer, lower floor is a nanometer thulium zircon ceramic powder layer.
Described nanometer thulium zircon ceramic its component of powder layer and mass percentage content are: thulium oxide 7%～38%, zirconia 62%～93% is fine and close spherical structure.
Described AL
2O
3Its component of composite layer and mass percentage content are: AL
2O
355%, TiC5%, MO powder 20%, Ni powder 20%, described MO powder and Ni powder average grain are less than 2 microns, and purity is greater than 99%.
The present invention compared with prior art, and is simple in structure, novel, and oxidation resistance is strong, stable chemical performance, and wearability is strong, and outer nanometer thulium zircon ceramic powder layer intensity is big, and the intermediate layer is AL
2O
3Composite layer increases cutter toughness and anti-destructive power.
[description of drawings]
Fig. 1 is a structural representation of the present invention;
1 is the upper strata among Fig. 1, and 2 is the intermediate layer, and 3 is lower floor
[specific embodiment]
The invention will be further described below in conjunction with embodiment.Production technology of the present invention is to implement easily to this professional people.
Described MULTILAYER COMPOSITE sintex upper strata is a nanometer thulium zircon ceramic powder layer, and the intermediate layer is AL
2O
3Composite layer, lower floor is a nanometer thulium zircon ceramic powder layer.
Described nanometer thulium zircon ceramic its component of powder layer and mass percentage content are: thulium oxide 7%～38%, zirconia 62%～93% is fine and close spherical structure.
The preparation method is as follows for nanometer thulium zircon ceramic powder layer:
Step 1 is dissolved in the water zirconium oxychloride in the measuring tank of polypropylene material, is heated to 60 ℃～80 ℃ then, adds thulium oxide subsequently, dissolves fully up to thulium oxide, adds urea again, stirs, and dissolves fully up to urea;
Step 3, reaction is finished the back and is taken out colloid, and by supercentrifuge, with the speed washing of 16000 rev/mins of rotating speeds, cyclic washing 3-5 time is up to using the detection of 1mol/l liquor argenti nitratis ophthalmicus, till the no chlorion.
Step 4 is squeezed into the colloid pastel in the step 4 in the high speed ball-grinding machine by membrane pump, and adds dispersant Macrogol 2000 0, ball milling 2-3 hour.
Step 5 is sent into the slurry behind the ball milling and is carried out granulation in the sponging granulator, and inlet temperature is between 200-250 ℃, and the discharging opening temperature is between 100-150 ℃.
Described AL
2O
3Its component of composite layer and mass percentage content are: AL
2O
355%, TiC5%, MO powder 20%, Ni powder 20%, described MO powder and Ni powder average grain are less than 2 microns, and purity is greater than 99%.
Claims (3)
1. a MULTILAYER COMPOSITE sintex is characterized in that described MULTILAYER COMPOSITE sintex upper strata is a nanometer thulium zircon ceramic powder layer, and the intermediate layer is AL
2O
3Composite layer, lower floor is a nanometer thulium zircon ceramic powder layer.
2. a kind of MULTILAYER COMPOSITE sintex according to claim 1 is characterized in that described nanometer thulium zircon ceramic its component of powder layer and mass percentage content are: thulium oxide 7%～38%, zirconia 62%～93% is fine and close spherical structure.
3. a kind of MULTILAYER COMPOSITE sintex according to claim 1 is characterized in that described AL
2O
3Its component of composite layer and mass percentage content are: AL
2O
355%, TiC5%, MO powder 20%, Ni powder 20%, described MO powder and Ni powder average grain are less than 2 microns, and purity is greater than 99%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101862394A CN102259343A (en) | 2010-05-30 | 2010-05-30 | Multilayer composite ceramic cutting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101862394A CN102259343A (en) | 2010-05-30 | 2010-05-30 | Multilayer composite ceramic cutting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102259343A true CN102259343A (en) | 2011-11-30 |
Family
ID=45006274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101862394A Pending CN102259343A (en) | 2010-05-30 | 2010-05-30 | Multilayer composite ceramic cutting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102259343A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110114196A (en) * | 2016-12-26 | 2019-08-09 | 京瓷株式会社 | Cutter |
-
2010
- 2010-05-30 CN CN2010101862394A patent/CN102259343A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110114196A (en) * | 2016-12-26 | 2019-08-09 | 京瓷株式会社 | Cutter |
| CN110114196B (en) * | 2016-12-26 | 2021-04-20 | 京瓷株式会社 | Cutting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111130 |