CN113999025A - Manufacturing method of low-cost titanium alloy composite ceramic sintering jig - Google Patents
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Abstract
The invention is suitable for the technical field of sintering, and discloses a method for manufacturing a low-cost titanium alloy composite ceramic sintering jig.
Description
Technical Field
The invention belongs to the technical field of sintering, and particularly relates to a manufacturing method of a low-cost titanium alloy composite ceramic sintering jig.
Background
The composite ceramic sintering is a technology developed for bearing and sintering special metals, the manufacturing and sintering technology breaks through the traditional ceramic manufacturing technology, the large-scale production of the bearing and sintering titanium and titanium alloy has extremely high cost advantage, the product quality is stable, the performance is not changed, and the composite ceramic sintering technology is widely applied to special metals. The main contents of the ceramic composite material are as follows: and after the sintered ceramic plate is sintered compactly, adjusting a ceramic material to be sprayed on the ceramic plate, then sintering at a high degree of progress, and taking out after the ceramic plate is cooled to obtain the composite ceramic material.
In the prior art, titanium and titanium alloy are easy to react with a jig during sintering, so that the performance is changed, the yield is low, and the production cost is high.
Disclosure of Invention
The invention aims to provide a method for manufacturing a low-cost titanium alloy composite ceramic sintering jig, and aims to solve the problem that performance changes are caused by the fact that titanium and titanium alloy are easy to react with the jig during sintering.
The invention provides a manufacturing method of a low-cost titanium alloy composite ceramic sintering jig, which comprises the following steps:
preparing powder: mixing 50% -60% of corundum sand, alumina and oxide: 20% -30%: mixing 10-20% of the raw materials in mass proportion, adding water, grinding, taking out, drying, sieving with a 100-mesh sieve, adding polyvinyl alcohol, mixing uniformly, and sieving with an 80-mesh sieve to obtain granulated powder;
dry pressing and forming: putting the granulation powder into a charging barrel of a dry press, pressing the granulation powder into a plate shape, maintaining the pressure and then taking out to obtain a dry-pressed ceramic wafer green body;
degreasing and sintering: putting the dry pressing blank ceramic green body on a ceramic plate for degreasing sintering, and naturally cooling after sintering to obtain an alumina ceramic plate;
preparing ceramic glaze water: preparing ceramic glaze water: adding water into zirconium oxide and yttrium oxide or a mixture of zirconium oxide and yttrium oxide in any mass ratio, and performing ball milling to obtain composite ceramic glaze water;
glazing and sintering: spraying the composite ceramic glaze water on the alumina ceramic plate by using a spraying method, standing for 55-65 minutes, then placing the alumina ceramic plate into a sintering furnace, and sintering at 1440-1460 ℃ to obtain the composite ceramic plate.
Further, in the step of powder preparation, the mesh number of the corundum sand is 100-120 meshes, and the mesh number of the alumina is 2000 meshes.
Furthermore, in the step of powder preparation, D50 is 5-6um after water is added and ball milling is carried out.
Further, in the step of preparing the powder, the mass ratio of the polyvinyl alcohol is 7%.
Further, in the step of preparing the powder, a lubricant is added in a mass ratio of 1% when the polyvinyl alcohol is added.
Further, in the step of powder preparation, the oxide is silicon oxide or calcium oxide.
Further, in the step dry press forming, the pressure is 55-65KN, and the dwell time is 3 seconds.
Further, in the step of degreasing and sintering, the sintering temperature is 1690-1710 ℃, and the sintering time is 22 hours.
Further, in the step of preparing ceramic glaze water, the time of adding water and ball milling is 24 hours.
The invention has the beneficial effects that: on the basis of compact sintering of the alumina ceramic plate, ceramic glaze water is mixed and sprayed on the ceramic plate to be sintered again, the composite ceramic plate is obtained, the composite ceramic plate is used as a burning tool for titanium and titanium alloy, the reaction between the titanium and titanium alloy and the tool can be reduced or eliminated, the titanium and titanium alloy with better performance is obtained, an economical and feasible solution is provided for the burning tool which does not react with products in industrial production, and the production cost of the burning tool is greatly reduced.
Drawings
Fig. 1 is a flowchart of a method for manufacturing a low-cost titanium alloy composite ceramic sintering jig according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description of specific implementations of the present invention is provided in conjunction with specific embodiments:
example (b):
fig. 1 shows an implementation flow of a manufacturing method of a low-cost titanium alloy composite ceramic sintering fixture according to an embodiment of the present invention, and for convenience of description, only the parts related to the embodiment of the present invention are shown, which are detailed as follows:
step S101, powder preparation: mixing corundum sand, aluminum oxide and oxide according to the proportion of 50%: 30%: mixing 20% of the raw materials in mass proportion, adding water, grinding, taking out, drying, sieving with a 100-mesh sieve, adding polyvinyl alcohol, mixing uniformly, and sieving with an 80-mesh sieve to obtain granulated powder;
step S102, dry pressing and forming: putting the granulation powder into a charging barrel of a dry press, pressing the granulation powder into a plate shape, and taking out after pressure maintaining to obtain a dry-pressed ceramic wafer green body;
step S103, degreasing and sintering: putting the dry pressing blank ceramic green body on a ceramic plate for degreasing sintering, and naturally cooling after sintering to obtain an alumina ceramic plate;
step S104, preparing ceramic glaze water: preparing ceramic glaze water: adding water into zirconium oxide and yttrium oxide or a mixture of zirconium oxide and yttrium oxide in any mass ratio, and performing ball milling to obtain composite ceramic glaze water;
step S105, glazing and sintering: spraying the composite ceramic glaze water on the alumina ceramic plate by using a spraying method, standing for 60 minutes, putting the alumina ceramic plate into a sintering furnace, and sintering at 1450 ℃ to obtain the composite ceramic plate.
Further, in step S101, the mesh number of the corundum is 110 mesh, and the mesh number of the alumina is 2000 mesh.
Further, in step S101, the duration of water addition and ball milling is 24 hours, and D50 is 5um after water addition and ball milling.
Further, in step S101, the mass ratio of the polyvinyl alcohol is 7%.
Further, in step S101, a lubricant is added at a mass ratio of 1% when the polyvinyl alcohol is added.
Further, in step S101, the oxide is silicon oxide or calcium oxide.
Further, in step S102, the pressure is 60KN, and the dwell time is 3 seconds.
Further, in step S103, the sintering temperature is 1700 ℃, and the sintering time is 22 hours.
Further, in step S104, the time period of water addition and ball milling is 24 hours.
In the embodiment of the invention, zirconia and yttria with the mass ratio of 10:6 are used as raw materials for preparing the ceramic glaze water.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The manufacturing method of the low-cost titanium alloy composite ceramic sintering jig is characterized by comprising the following steps of:
preparing powder: mixing 50% -60% of corundum sand, alumina and oxide: 20% -30%: mixing 10-20% of the raw materials in mass proportion, adding water, grinding, taking out, drying, sieving with a 100-mesh sieve, adding polyvinyl alcohol, mixing uniformly, and sieving with an 80-mesh sieve to obtain granulated powder;
dry pressing and forming: putting the granulation powder into a charging barrel of a dry press, pressing the granulation powder into a plate shape, maintaining the pressure and then taking out to obtain a dry-pressed ceramic wafer green body;
degreasing and sintering: putting the dry pressing blank ceramic green body on a ceramic plate for degreasing sintering, and naturally cooling after sintering to obtain an alumina ceramic plate;
preparing ceramic glaze water: adding water into zirconium oxide and yttrium oxide or a mixture of zirconium oxide and yttrium oxide in any mass ratio, and performing ball milling to obtain composite ceramic glaze water;
glazing and sintering: spraying the composite ceramic glaze water on the alumina ceramic plate by using a spraying method, standing for 55-65 minutes, then placing the alumina ceramic plate into a sintering furnace, and sintering at 1440-1460 ℃ to obtain the composite ceramic plate.
2. The method for manufacturing a low-cost titanium alloy composite ceramic sintering jig as claimed in claim 1, wherein in the step of preparing the powder, the mesh number of the corundum sand is 100-120 meshes, and the mesh number of the alumina is 2000 meshes.
3. The manufacturing method of the low-cost titanium alloy composite ceramic sintering jig according to claim 1, wherein in the step of powder preparation, D50 is 5-6um after water is added and ball milling is performed.
4. The manufacturing method of the low-cost titanium alloy composite ceramic sintering jig according to claim 1, wherein in the step of preparing the powder, the mass ratio of the polyvinyl alcohol is 7%.
5. The method for manufacturing a low-cost titanium alloy composite ceramic sintering jig according to claim 1, wherein in the step of preparing the powder, 1% by mass of lubricant is added when the polyvinyl alcohol is added.
6. The method for manufacturing a low-cost titanium alloy composite ceramic sintering jig according to claim 1, wherein in the step of powder preparation, the oxide is silicon oxide or calcium oxide.
7. The manufacturing method of the low-cost titanium alloy composite ceramic sintering jig according to claim 1, wherein in the step of dry pressing, the pressure is 55-65KN, and the pressure maintaining time is 3 seconds.
8. The method as claimed in claim 1, wherein the step of degreasing and sintering comprises sintering at 1690-1710 deg.C for 22 hr.
9. The method for manufacturing a low-cost titanium alloy composite ceramic sintering jig according to claim 1, wherein the ceramic glaze is prepared in the step of adding water and ball milling for 24 hours.
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Citations (7)
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| CN101172844A (en) * | 2007-10-25 | 2008-05-07 | 日照市环之特种陶瓷厂 | Technique for producing zirconium oxide spray coating plate |
| CN103056302A (en) * | 2011-12-13 | 2013-04-24 | 丹阳市精密合金厂有限公司 | Ceramic core for molding aeroengine case type annular casting hollow support plate |
| CN103803990A (en) * | 2012-11-08 | 2014-05-21 | 济南圣泉倍进陶瓷过滤器有限公司 | Straight hole ceramic filter used for cast steel and high temperature alloy |
| WO2018050925A1 (en) * | 2016-09-19 | 2018-03-22 | Saint-Gobain Centre De Recherches Et D'etudes Europeen | Colored sintered product based on alumina and zirconia |
| CN109279878A (en) * | 2017-07-20 | 2019-01-29 | 宜兴市锦泰耐火材料有限公司 | A kind of electronic component sintering zirconia coating saggar and preparation method thereof |
| CN109574636A (en) * | 2018-12-22 | 2019-04-05 | 上海交通大学 | A kind of precision-investment casting aluminium alloy Water-soluble ceramic core and preparation method |
| CN113292320A (en) * | 2021-07-02 | 2021-08-24 | 深圳艾利佳材料科技有限公司 | Porous ceramic injection molding method and product |
-
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- 2021-10-29 CN CN202111274074.0A patent/CN113999025B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172844A (en) * | 2007-10-25 | 2008-05-07 | 日照市环之特种陶瓷厂 | Technique for producing zirconium oxide spray coating plate |
| CN103056302A (en) * | 2011-12-13 | 2013-04-24 | 丹阳市精密合金厂有限公司 | Ceramic core for molding aeroengine case type annular casting hollow support plate |
| CN103803990A (en) * | 2012-11-08 | 2014-05-21 | 济南圣泉倍进陶瓷过滤器有限公司 | Straight hole ceramic filter used for cast steel and high temperature alloy |
| WO2018050925A1 (en) * | 2016-09-19 | 2018-03-22 | Saint-Gobain Centre De Recherches Et D'etudes Europeen | Colored sintered product based on alumina and zirconia |
| CN109279878A (en) * | 2017-07-20 | 2019-01-29 | 宜兴市锦泰耐火材料有限公司 | A kind of electronic component sintering zirconia coating saggar and preparation method thereof |
| CN109574636A (en) * | 2018-12-22 | 2019-04-05 | 上海交通大学 | A kind of precision-investment casting aluminium alloy Water-soluble ceramic core and preparation method |
| CN113292320A (en) * | 2021-07-02 | 2021-08-24 | 深圳艾利佳材料科技有限公司 | Porous ceramic injection molding method and product |
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