CN111187004A - Novel high-strength ceramic bonding agent - Google Patents
Novel high-strength ceramic bonding agent Download PDFInfo
- Publication number
- CN111187004A CN111187004A CN202010047418.3A CN202010047418A CN111187004A CN 111187004 A CN111187004 A CN 111187004A CN 202010047418 A CN202010047418 A CN 202010047418A CN 111187004 A CN111187004 A CN 111187004A
- Authority
- CN
- China
- Prior art keywords
- novel high
- strength ceramic
- ceramic
- phosphorus pentoxide
- ceramic bond
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/14—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic ceramic, i.e. vitrified bondings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
Abstract
The invention relates to the technical field of production of ceramic grinding wheels, in particular to a novel high-strength ceramic bonding agent which comprises the following components in percentage by weight: 30-34% of lithium oxide, 30-33% of magnesium oxide, 30-33% of phosphorus pentoxide and 5-10% of plastic clay. The invention uses lithium, magnesium, phosphorus oxide as nucleating agent for the ceramic ceramics, various raw materials are chilled into glass powder after melting at high temperature, the glass powder is used as basic raw material of binding agent, plastic materials such as clay are mixed to form binding agent, the binding agent and abrasive are added to make the ceramic grinding wheel, the glass powder is partially melted during firing, after heat preservation and nucleation, a large number of microcrystals appear in the binding agent to become the ceramic ceramics to wrap the abrasive, thereby leading the grinding wheel to obtain high strength, being used for manufacturing the ceramic grinding wheel, having the characteristics of high tensile strength and high impact strength, and the manufactured ceramic grinding wheel can reach the safe use linear velocity of 80m/s at most.
Description
Technical Field
The invention relates to the technical field of production of ceramic grinding wheels, in particular to a novel high-strength ceramic bond.
Background
The grinding wheel is a tool which is the most widely used tool in grinding tools, and mainly performs rough grinding, semi-finish grinding, grooving, cutting and other treatments on the molded surface of a metal or nonmetal workpiece, and the grinding wheel is in a high-speed rotating state when in use and needs to bear large impact force, so that the grinding wheel has high requirements on strength, impact resistance, heat resistance, corrosion resistance and the like. The ceramic sand is formed by bonding abrasive particles by using a ceramic bonding agent, and the ceramic grinding wheel has the advantages of good heat resistance, sharp cutting, high grinding efficiency, difficulty in heating and blocking in the grinding process, small thermal expansion amount and capability of controlling the processing precision. However, the quality of the binding agent for the existing ceramic grinding wheel is poor, so that the sintering cost is high, the sintering time is long, and the energy consumption is increased.
Disclosure of Invention
The invention aims to provide a novel high-strength ceramic bond to solve the problems that the prior ceramic grinding wheel proposed in the background art is poor in quality, high in sintering cost, long in sintering time and high in energy consumption, and the ceramic grinding wheel made of the prior bond is low in tensile strength and impact strength and cannot meet requirements.
In order to achieve the purpose, the invention provides the following technical scheme:
a novel high-strength ceramic bonding agent comprises the following components in percentage by weight: 30-34% of lithium oxide, 30-33% of magnesium oxide, 30-33% of phosphorus pentoxide and 5-10% of plastic clay.
Preferably, the composition comprises the following components in percentage by weight: 30% of lithium oxide, 30% of magnesium oxide, 30% of phosphorus pentoxide and 10% of plastic clay.
Preferably, the composition comprises the following components in percentage by weight: 31% of lithium oxide, 31% of magnesium oxide, 32% of phosphorus pentoxide and 6% of plastic clay.
Preferably, the composition comprises the following components in percentage by weight: 31% of lithium oxide, 32% of magnesium oxide, 32% of phosphorus pentoxide and 5% of plastic clay.
Preferably, the preparation method comprises the following steps:
s1: accurately weighing the components of lithium oxide, magnesium oxide, phosphorus pentoxide and plastic clay according to a formula;
s2: adding the weighed lithium oxide, magnesium oxide and phosphorus pentoxide into a stirrer, and uniformly mixing and stirring;
s3: mixing, adding into a ball mill for mixing and milling, and filtering the mixed and milled material through a screen;
s4: adding the ball-milled lithium oxide, magnesium oxide and phosphorus pentoxide into a high-temperature melting furnace for high-temperature melting;
s5: performing water quenching treatment on the melted mixture, cooling by water quenching, and drying to prepare glass powder;
s6: and adding the prepared glass powder and plastic clay into a stirrer, and uniformly mixing and stirring to prepare the bonding agent.
Preferably, the ball mill has a ball ratio of 2: 1.
Preferably, the rotation number of the ball mill is 160-200r/min, and the ball milling time is 20-25 min.
Preferably, the high temperature melting internal melting temperature is 1400-1500 ℃.
Preferably, the drying temperature of the mixture after water quenching and cooling is 750-850 ℃.
Preferably, the mesh size of the screen is 150-200 meshes.
The novel high-strength ceramic bonding agent disclosed by the invention has the following functions of the raw materials of the components:
lithium oxide (Li)2O): is the most common oxide of lithium and is widely used as a component of glass, and lithium oxide is used as a crystal nucleating agent for preparing the ceramic grinding wheel and can also reduce the thermal expansion coefficient of a ceramic bond.
Magnesium oxide (MgO): the strength of the grinding wheel is improved, the grinding wheel is wear-resistant and not easy to break, and the grinding wheel added with the magnesium oxide material is more wear-resistant.
Phosphorus pentoxide (P)2O5): a certain amount of phosphorus pentoxide is taken as a nucleating agent, and the phase splitting of the phosphorus pentoxide is utilized to promote the nucleation, so that the cost of a bonding agent is reduced, and the color stability of the grinding wheel is facilitated.
Compared with the prior art, the invention has the beneficial effects that: the novel high-strength ceramic bonding agent is formed by using lithium, magnesium and phosphorus oxides as nucleating agents for microcrystalline ceramics, various raw materials are chilled into glass powder after being melted at high temperature, the glass powder is used as a bonding agent base raw material and is assisted by plastic materials such as clay and the like to be mixed into a bonding agent, the bonding agent and abrasive materials are added to manufacture a ceramic grinding wheel, the glass powder is partially melted during firing, and after heat preservation and nucleation, a large number of microcrystals appear in the bonding agent to form the microcrystalline ceramics and wrap the abrasive materials, so that the grinding wheel obtains very high strength and is used for manufacturing the ceramic grinding wheel, the novel high-strength ceramic grinding wheel has the characteristics of high tensile strength and high impact strength, and the manufactured ceramic grinding wheel can reach the.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides the following technical scheme:
a novel high-strength ceramic bonding agent comprises the following components in percentage by weight: 30-34% of lithium oxide, 30-33% of magnesium oxide, 30-33% of phosphorus pentoxide and 5-10% of plastic clay, according to the above technical scheme, the invention provides three groups of examples:
example 1
A novel high-strength ceramic bonding agent comprises the following components in percentage by weight: 30% of lithium oxide, 30% of magnesium oxide, 30% of phosphorus pentoxide and 10% of plastic clay.
The preparation of the novel high-strength ceramic bond in the embodiment comprises the following steps:
s1: accurately weighing the components of lithium oxide, magnesium oxide, phosphorus pentoxide and plastic clay according to a formula;
s2: adding the weighed lithium oxide, magnesium oxide and phosphorus pentoxide into a stirrer, and uniformly mixing and stirring;
s3: mixing, adding into a ball mill for mixing and milling, and filtering the mixed and milled material through a screen;
s4: adding the ball-milled lithium oxide, magnesium oxide and phosphorus pentoxide into a high-temperature melting furnace for high-temperature melting, wherein the melting temperature is 1400-1500 ℃;
s5: performing water quenching treatment on the melted mixture, cooling by water quenching, and drying to prepare glass powder;
s6: and adding the prepared glass powder and plastic clay into a stirrer, and uniformly mixing and stirring to prepare the bonding agent.
Furthermore, the material ball ratio of the ball mill is 2:1, the rotation number of the ball mill is 160-.
Specifically, the melting temperature in the high-temperature melting is 1400-1500 ℃.
In addition, the drying temperature of the mixture after water quenching and cooling is 750-850 ℃.
Example 2
A novel high-strength ceramic bonding agent comprises the following components in percentage by weight: 31% of lithium oxide, 31% of magnesium oxide, 32% of phosphorus pentoxide and 6% of plastic clay.
The preparation of the novel high-strength ceramic bond in the embodiment comprises the following steps:
s1: weighing the raw materials of each component according to the weight percentage;
s2: crushing the weighed white granulated sugar, skimmed milk powder, orange powder, maltodextrin, corn starch, vitamin C, lutein ester, sweet orange essence and food additive by using a crusher, screening by using a filter sieve of 40-50 meshes after crushing, adding into a mixer, stirring and uniformly mixing;
s3: preparing the uniformly stirred mixture of white granulated sugar, skimmed milk powder, orange powder, maltodextrin, corn starch, vitamin C, lutein ester, sweet orange essence and food additive into a soft material by a boiling spray granulation technology;
s4: and (3) granulating the soft material in a swing granulator, tabletting the dried granules by using a tablet press, and packaging the tabletted tablets to obtain the novel high-strength ceramic binder.
Furthermore, the material ball ratio of the ball mill is 2:1, the rotation number of the ball mill is 160-.
Specifically, the melting temperature in the high-temperature melting is 1400-1500 ℃.
In addition, the drying temperature of the mixture after water quenching and cooling is 750-850 ℃.
Example 3
A novel high-strength ceramic bond comprises the following components in percentage by weight: comprises the following components in percentage by weight: 31% of lithium oxide, 32% of magnesium oxide, 32% of phosphorus pentoxide and 5% of plastic clay.
The preparation of the novel high-strength ceramic bond in the embodiment comprises the following steps:
s1: weighing the raw materials of each component according to the weight percentage;
s2: crushing the weighed white granulated sugar, skimmed milk powder, orange powder, maltodextrin, corn starch, vitamin C, lutein ester, sweet orange essence and food additive by using a crusher, screening by using a filter sieve of 40-50 meshes after crushing, adding into a mixer, stirring and uniformly mixing;
s3: preparing the uniformly stirred mixture of white granulated sugar, skimmed milk powder, orange powder, maltodextrin, corn starch, vitamin C, lutein ester, sweet orange essence and food additive into a soft material by a boiling spray granulation technology;
s4: and (3) granulating the soft material in a swing granulator, tabletting the dried granules by using a tablet press, and packaging the tabletted tablets to obtain the novel high-strength ceramic binder.
Furthermore, the material ball ratio of the ball mill is 2:1, the rotation number of the ball mill is 160-.
Specifically, the melting temperature in the high-temperature melting is 1400-1500 ℃.
In addition, the drying temperature of the mixture after water quenching and cooling is 750-850 ℃.
The comparison between the novel high-strength ceramic bond prepared in the above-mentioned examples and the conventional ceramic bond is shown in the following table:
as can be seen from the table, when the novel high-strength ceramic bond is used for preparing the bonding agent for manufacturing the ceramic grinding wheel, the tensile strength and the impact strength of the ceramic grinding wheel are improved, the novel high-strength ceramic bond can replace imported products in a plurality of applications, the sintering cost and the sintering time are saved, and the energy consumption is reduced.
The invention uses lithium, magnesium, phosphorus oxide as nucleating agent for the ceramic ceramics, various raw materials are chilled into glass powder after melting at high temperature, the glass powder is used as basic raw material of binding agent, plastic materials such as clay are mixed to form binding agent, the binding agent and abrasive are added to make the ceramic grinding wheel, the glass powder is partially melted during firing, after heat preservation and nucleation, a large number of microcrystals appear in the binding agent to become the ceramic ceramics to wrap the abrasive, thereby leading the grinding wheel to obtain high strength, being used for manufacturing the ceramic grinding wheel, having the characteristics of high tensile strength and high impact strength, and the manufactured ceramic grinding wheel can reach the safe use linear velocity of 80m/s at most.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A novel high-strength ceramic bond is characterized in that: comprises the following components in percentage by weight: 30-34% of lithium oxide, 30-33% of magnesium oxide, 30-33% of phosphorus pentoxide and 5-10% of plastic clay.
2. The novel high strength ceramic bond of claim 1, characterized by: comprises the following components in percentage by weight: 30% of lithium oxide, 30% of magnesium oxide, 30% of phosphorus pentoxide and 10% of plastic clay.
3. The novel high strength ceramic bond of claim 1, characterized by: comprises the following components in percentage by weight: 31% of lithium oxide, 31% of magnesium oxide, 32% of phosphorus pentoxide and 6% of plastic clay.
4. The novel high strength ceramic bond of claim 1, characterized by: comprises the following components in percentage by weight: 31% of lithium oxide, 32% of magnesium oxide, 32% of phosphorus pentoxide and 5% of plastic clay.
5. The novel high strength ceramic bond of any one of claims 1-4, wherein: the preparation method comprises the following steps:
s1: accurately weighing the components of lithium oxide, magnesium oxide, phosphorus pentoxide and plastic clay according to a formula;
s2: adding the weighed lithium oxide, magnesium oxide and phosphorus pentoxide into a stirrer, and uniformly mixing and stirring;
s3: mixing, adding into a ball mill for mixing and milling, and filtering the mixed and milled material through a screen;
s4: adding the ball-milled lithium oxide, magnesium oxide and phosphorus pentoxide into a high-temperature melting furnace for high-temperature melting;
s5: performing water quenching treatment on the melted mixture, cooling by water quenching, and drying to prepare glass powder;
s6: and adding the prepared glass powder and plastic clay into a stirrer, and uniformly mixing and stirring to prepare the bonding agent.
6. The novel high strength ceramic bond of claim 5, wherein: the material ball ratio of the ball mill is 2: 1.
7. The novel high strength ceramic bond of claim 5, wherein: the rotation number of the ball mill is 160-.
8. The novel high strength ceramic bond of claim 5, wherein: the melting temperature in the high-temperature melting is 1400-1500 ℃.
9. The novel high strength ceramic bond of claim 5, wherein: the drying temperature of the mixture after water quenching and cooling is 750-850 ℃.
10. The novel high strength ceramic bond of claim 5, wherein: the mesh specification of the screen is 150-200 meshes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010047418.3A CN111187004A (en) | 2020-01-16 | 2020-01-16 | Novel high-strength ceramic bonding agent |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010047418.3A CN111187004A (en) | 2020-01-16 | 2020-01-16 | Novel high-strength ceramic bonding agent |
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| CN111187004A true CN111187004A (en) | 2020-05-22 |
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| CN202010047418.3A Pending CN111187004A (en) | 2020-01-16 | 2020-01-16 | Novel high-strength ceramic bonding agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479594A (en) * | 2020-11-18 | 2021-03-12 | 晶研一材料科技(宜兴)有限公司 | Method for processing microcrystalline ceramic glass |
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2020
- 2020-01-16 CN CN202010047418.3A patent/CN111187004A/en active Pending
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112479594A (en) * | 2020-11-18 | 2021-03-12 | 晶研一材料科技(宜兴)有限公司 | Method for processing microcrystalline ceramic glass |
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Application publication date: 20200522 |
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