Glass lubricant for improving high-temperature lubricating property through boride ceramic as well as preparation method and application of glass lubricant
By introducing titanium boride ceramic powder into glass lubricant, its structure and thermal properties are modified, solving the problems of easy lubrication film loss and insufficient thermal stability at high temperatures, and achieving stable lubrication effect under high temperature conditions, making it suitable for high-temperature processing.
Patent Information
- Application Number
- CN202510929708.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-07
- Publication Date
- 2025-11-07
AI Technical Summary
Existing glass lubricants exhibit decreased viscosity under high-temperature conditions, making it difficult to maintain the lubricating film, which is prone to loss or peeling. They also have limited thermal stability and oxidation resistance, leading to weakened or failed lubrication and limiting their reliability and service life in environments at 1000°C and above.
Introducing titanium boride ceramic powder into glass lubricant and introducing nanocrystals in situ through high-temperature reaction alters the glass structure and thermal properties, forming a stable lubricating film and improving high-temperature thermal stability and lubrication performance.
It significantly improves the lubrication performance and thermal stability of glass lubricants at high temperatures, especially exhibiting excellent lubrication and friction reduction effects at 1100℃, extending service life and making it suitable for high-temperature processing scenarios.
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Figure CN120904946A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of high-temperature lubrication, and particularly relates to a glass lubricant for improving high-temperature lubrication performance through boride ceramics and a preparation method and application thereof. BACKGROUND
[0002] The glass lubricant is a kind of lubricating material suitable for high-temperature environment, and is commonly used for lubrication protection between metal hot working, aerospace component assembly and high-temperature friction pairs. It is mainly composed of silicate, borate and phosphate. Under high-temperature conditions, the glass lubricant can melt to form a lubricating film with good adhesion, effectively reducing the direct contact between the metal and the mold or the friction pair surface, thereby reducing friction and wear and prolonging the service life of the component. However, under extreme working conditions with a temperature exceeding 1000 DEG C, the performance of the glass lubricant faces significant challenges. Specifically, the existing glass lubricant has the following technical bottlenecks: firstly, its viscosity significantly decreases under high-temperature conditions, and the lubricating film is not easy to maintain, and is prone to loss, peeling or splashing, resulting in weakened lubrication or even complete failure; secondly, its thermal stability and oxidation resistance are limited, and during the lubrication process, the components are prone to decomposition or reaction with the metal, which destroys the surface protection layer and aggravates wear and material loss. These problems significantly limit the reliability and service life of the glass lubricant in high-temperature environments of 1000 DEG C and above. SUMMARY
[0003] In view of the deficiencies in the above background art, the present application provides a glass lubricant for improving high-temperature lubrication performance through boride ceramics and a preparation method and application thereof. The method uses titanium boride and glass lubricant as raw materials, introduces titanium boride into the glass lubricant, introduces nanocrystals in situ at high temperature through high-temperature reaction, and the introduction of boron changes the structure and thermal properties of the glass, especially improves the high-temperature thermal stability and lubrication performance, to improve the comprehensive performance thereof at high temperature. The present application can have both lubrication promotion and structural stability in the glass lubricant system, while maintaining the oxidation resistance at medium and low temperatures, it meets the lubrication requirements under high-temperature conditions.
[0004] The first object of the present application is to provide a glass lubricant for improving high-temperature lubrication performance through boride ceramics, which comprises 90-99% glass powder and 1-10% boride ceramic powder by mass percentage, and the mass percentage of the two is 100%; The glass powder comprises the following components by mass percentage: 40-50% SiO2, 3-7% Al2O3, 8-10% CaO, 2-5% MgO, 0.2-1% K2O, 10-30% Na2O, 5-20% B2O3, 0.1-1% FeO, 0.1-0.5% TiO2, and the mass percentage of each component in the glass powder is 100%; The boride ceramic powder is one or more of TiB2, TiB, Ti2B5.
[0005] Preferably, the glass powder comprises the following components in mass percentage: 40-45% SiO2, 5-6% Al2O3, 8-9% CaO, 3-5% MgO, 0.25-0.5% K2O, 20-24% Na2O, 16-18% B2O3, 0.25% FeO, 0.17% TiO 2， The mass percentage of each component in the glass powder is 100%.
[0006] Preferably, the glass powder is prepared according to the following steps: The components of the glass powder are proportioned according to the mass percentage, and mechanically mixed by a mixer to obtain a mixture; The mixture is heated to 1000℃ at a heating rate of 5℃ / min, and kept for 20 min; then heated to 1380℃ at a rate of 5℃ / min, and kept for 2 h to pass through the clarification and homogenization process, and obtain a glass block by water quenching method; The glass block is ball milled and sieved through a 200 mesh sieve to obtain the glass powder.
[0007] Preferably, the boride ceramic powder has a particle size of 0.8-3μm and a purity of 99.5%.
[0008] The second object of the present application is to provide a preparation method of a glass lubricant for improving high-temperature lubrication performance by boride ceramics, comprising the following steps: The glass powder and the boride ceramic powder are mixed and then ground through a 60 mesh sieve to obtain a mixed powder; The mixed powder is dispersed in a solvent to obtain the glass lubricant for improving high-temperature lubrication performance by boride ceramics.
[0009] Preferably, the solvent is anhydrous ethanol; The volume ratio of the anhydrous ethanol to the mixed powder is 1:100; The volume fraction of the anhydrous ethanol is 95%.
[0010] The third object of the present application is to provide an application of the glass lubricant for improving high-temperature lubrication performance by boride ceramics in alloy surface lubrication.
[0011] Preferably, in the application process, it comprises: The glass powder and the boride ceramic powder are mixed and then ground through a 60 mesh sieve to obtain a mixed powder; The mixed powder is dispersed in a solvent to obtain the glass lubricant for improving high-temperature lubrication performance by boride ceramics; The glass lubricant is coated on the surface of the alloy. The coating thickness is 0.2-0.5 mm.
[0012] Compared with the prior art, the application has the following beneficial effects: The application provides a glass lubricant for improving high-temperature lubricating performance by boride ceramics and a preparation method and application thereof.
[0013] The glass lubricant provided by the application has a friction coefficient of 0.030 for a lubricant sample with 1% TiB2 at 1100 DEG C, which is much lower than that of a control group without TiB2 ceramic, and exhibits excellent lubricating and friction-reducing effect; when the TiB2 addition amount is 5%, the friction coefficient is 0.050, which is still significantly better than that of a traditional glass lubricant system, and the feasibility and effectiveness of the application scheme in high-temperature lubrication are verified.
[0014] The glass lubricant provided by the application has the advantages of simple formula, strong adaptability and stable performance, and is suitable for hot forming processes, such as die forging and other high-temperature harsh application scenarios, and has a wide engineering application prospect. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The friction coefficient curve of the glass lubricant with 1% TiB2 in Example 1 is shown in Figure 1. Figure 2 The friction coefficient curve of the glass lubricant with 5% TiB2 in Example 2 is shown in Figure 2. Figure 3 The friction coefficient curve of the glass lubricant with 10% TiB2 in Example 3 is shown in Figure 3. Figure 4 The friction coefficient curve of the glass lubricant with 1% TiB2 in Example 4 is shown in Figure 4. Figure 5 The friction coefficient curve of the glass lubricant with 5% TiB2 in Example 5 is shown in Figure 5. Figure 6 The friction coefficient curve of the glass lubricant with 10% TiB2 in Example 6 is shown in Figure 6. Figure 7 The friction coefficient curve of the glass lubricant with 1% TiB2 in Example 7 is shown in Figure 7. Figure 8The friction coefficient curve of the glass lubricant with 5% TiB2 mass fraction in Example 8; Figure 9 The friction coefficient curve of the glass lubricant with 10% TiB2 mass fraction in Example 9; Figure 10 The friction coefficient curve of the glass lubricant in Comparative Example 1; Figure 11 The friction coefficient curve of the glass lubricant in Comparative Example 2; Figure 12 The friction coefficient curve of the glass lubricant in Comparative Example 3; Figure 13 The infrared absorption spectrum of the glass lubricant with 0% TiB2 mass fraction provided in Comparative Examples 1-3; Figure 14 The infrared absorption spectrum of the glass lubricant with 1% TiB2 mass fraction provided in Examples 1, 4, and 7; Figure 15 The infrared absorption spectrum of the glass lubricant with 5% TiB2 mass fraction provided in Examples 2, 5, and 8; Figure 16 The infrared absorption spectrum of the glass lubricant with 10% TiB2 mass fraction provided in Examples 3, 6, and 9. DETAILED DESCRIPTION
[0016] In order to enable those skilled in the art to better understand the technical solutions of the present application and implement them, the present application will be further described below in conjunction with specific embodiments and drawings, but the embodiments are not limiting on the present application.
[0017] The purpose of the present application is to provide a glass lubricant for improving high-temperature lubrication performance through boride ceramics and its preparation method and application, in order to solve the following technical bottlenecks of existing glass lubricants: first, its viscosity significantly decreases under high-temperature conditions, and the lubricating film is not easy to maintain, and is prone to loss, peeling or splashing, resulting in weakened or even complete failure of lubrication; second, its thermal stability and oxidation resistance are limited, and components are prone to decomposition or reaction with metals during lubrication, damaging the surface protection layer and accelerating wear and material loss.
[0018] In order to achieve the above-mentioned purpose, the first aspect of the present application provides a glass lubricant for improving high-temperature lubrication performance through boride ceramics, which comprises 90-99% glass powder and 1-10% boride ceramic powder by mass percentage, and the mass percentages of the two are 100% in total; The glass powder comprises the following components in mass percentage: 40-50% SiO2, 3-7% Al2O3, 8-10% CaO, 2-5% MgO, 0.2-1% K2O, 10-30% Na2O, 5-20% B2O3, 0.1-1% FeO, and 0.1-0.5% TiO2, wherein the mass percentage of each component in the glass powder is 100%. The boride ceramic powder is one or more of TiB2, TiB, and Ti2B5.
[0019] The present application effectively improves the lubricating performance and thermal stability of the lubricant in a high-temperature environment by introducing an appropriate amount of titanium boride ceramic powder into the glass powder, and is particularly suitable for lubrication requirements under high-temperature conditions of about 1100 DEG C.
[0020] In the present application, TiB2 is oxidized and decomposed at high temperature to release Ti 4+ . Ti 4+ has strong structure nucleation ability, can re-connect with B-O and Si-O structures in the glass to form Ti-O-B and Ti-O-Si bonds, enhance the stability of BO3 network, and help to form a uniform and dense ordered structure in the lubricating film. The glass structure gradually evolves from the original loose BO3 network to the stable Ti-O-B composite structure. In the present application, the introduction of TiB2 significantly changes the microstructure of the glass lubricant. Ti element cooperates with the glass network at high temperature to promote the formation of stable structure units such as Ti-O-B, and inhibits the residual of hydroxyl and volatile components, thereby improving the thermal stability and structural density of the lubricating film.
[0021] The glass powder comprises the following components in mass percentage: 40-45% SiO2, 5-6% Al2O3, 8-9% CaO, 3-5% MgO, 0.25-0.5% K2O, 20-24% Na2O, 16-18% B2O3, 0.25% FeO, and 0.17% TiO2, wherein the mass percentage of each component in the glass powder is 100%.
[0022] The glass powder is prepared according to the following steps: The components of the glass powder are weighed according to the mass percentage, and mechanically mixed by a mixer to obtain a mixture; The mixture is heated to 1000 DEG C at a heating rate of 5 DEG C / min, and kept for 20 min; then heated to 1380 DEG C at a rate of 5 DEG C / min, and kept for 2 h to pass through the clarification and homogenization process, and a glass block is obtained by water quenching method; The glass block is ball milled and sieved through a 200-mesh sieve to obtain the glass powder.
[0023] The boride ceramic powder has a particle size of 0.8-3 microns and a purity of 99.5%.
[0024] An exemplary method for preparing the glass powder comprises: According to the composition of the glass powder, 40-45% SiO2, 5-6% Al2O3, 8-9% CaO, 3-5% MgO, 0.25-0.5% K2O, 20-24% Na2O, 16-18% B2O3, 0.25% FeO, 0.17% TiO 2。 Batching is performed, and mechanical mixing is performed by a mixer. In the glass melting stage, heating is performed at a heating rate of 5°C / min to 1000°C, and holding for 20 min; heating is performed at a rate of 5°C / min to 1380°C, and holding for 2 h, through the clarification and homogenization process, and the glass block is obtained by the water quenching method. The glass block is dried using an oven, the drying temperature is 80°C, and the drying time is 24 h. The glass powder with a particle size of 200 mesh is obtained by ball milling.
[0025] The second aspect of the present application provides a method for preparing a glass lubricant with high-temperature lubrication performance improved by boride ceramics, comprising the following steps: After mixing the glass powder and the boride ceramic powder, the mixture is ground through a 60-mesh sieve to obtain a mixed powder; The mixed powder is dispersed in a solvent to obtain the glass lubricant with high-temperature lubrication performance improved by boride ceramics.
[0026] The solvent is anhydrous ethanol; The volume ratio of the anhydrous ethanol to the mixed powder is 1:100; wherein the volume fraction of the anhydrous ethanol is 95%.
[0027] The present application uses titanium boride and glass lubricant as raw materials, introduces titanium boride into the glass lubricant, introduces nanocrystals in situ at high temperature through high-temperature reaction, and the introduction of boron changes the structure and thermal properties of the glass, especially improves the high-temperature thermal stability and lubrication performance. To improve its comprehensive performance at high temperature. This invention can have both lubrication promotion and structural stability in the glass lubricant system, while maintaining the oxidation resistance at medium and low temperatures, it meets the lubrication demand under high temperature conditions.
[0028] The third aspect of the present application provides the application of the glass lubricant with high-temperature lubrication performance improved by boride ceramics in alloy surface lubrication.
[0029] In the application process, it includes: After mixing the glass powder and the boride ceramic powder, the mixture is ground through a 60-mesh sieve to obtain a mixed powder; The mixed powder is dispersed in a solvent to obtain the glass lubricant with high-temperature lubrication performance improved by boride ceramics. Coating the surface of the glass lubricant alloy; The coating thickness is 0.2-0.5 mm.
[0030] The alloy used is 718 alloy.
[0031] The detection method of the lubricant is as follows: The friction and wear performance is evaluated by the reciprocating mode of the friction and wear tester GF-I 1200, the counter ball is Al2O3 ball, the temperature is room temperature-1100℃, the load is 10 N, the linear speed is 0.003 m / s, the motor rotating speed is 30rpm, the reciprocating length is 5 mm, and the running time is 30 min.
[0032] The 718 alloy is subjected to surface pretreatment, the TiB2 and the glass lubricant are mixed and dispersed in the solvent, and are coated on the surface of the 718 alloy, and the thickness of the glass lubricant is 0.2-0.5 mm.
[0033] It should be noted that the experimental method used in the present application is a conventional method unless otherwise specified; the reagents and materials used, unless otherwise specified, can be purchased on the market.
[0034] Example 1 A glass lubricant for improving high-temperature lubrication performance by boride ceramic, which comprises 99% glass powder and 1% TiB2 ceramic powder by mass percentage; The glass powder comprises the following components by mass percentage: 41.78% SiO2, 6% Al2O3, 8.5% CaO, 4% MgO, 0.3% K2O, 22% Na2O, 17% B2O3, 0.25% FeO, and 0.17% TiO2; According to the composition of the glass powder, the ingredients are prepared, and mechanical mixing is performed by a mixer. In the glass melting stage, the heating rate is 5℃ / min to 1000℃, and the temperature is maintained for 20 min; the heating rate is 5℃ / min to 1380℃, and the temperature is maintained for 2 h, and the glass block is obtained by the clarification and homogenization process through the water quenching method. The glass block is dried in an oven at a drying temperature of 80℃ for 24 h. The glass powder with a particle size of 200 mesh is obtained by ball milling; After the glass powder and the TiB2 ceramic powder are mixed, they are ground through a 60 mesh sieve to obtain a mixed powder; The mixed powder is dispersed in a solvent to obtain the glass lubricant for improving high-temperature lubrication performance by boride ceramic.
[0035] The glass lubricant is evenly coated on the surface of the 718 alloy to form a lubricating coating with a thickness of about 0.1 mm, and then the lubricating friction and wear performance of the lubricant / coating is evaluated by using a friction and wear tester GF-I 1200. The counter ball is an Al2O3 ball, the load is 10 N, the linear speed is 0.003 m / s, the reciprocating length is 3 mm, the running time is 30 min, the temperature rising rate of the GF-I 1200 is 10°C / min, and the experimental temperature is 900°C.
[0036] Example 2 The same as Example 1, except that, The glass lubricant comprises 95% glass powder and 5% TiB2 ceramic powder by mass percentage.
[0037] Example 3 The same as Example 1, except that, The glass lubricant comprises 90% glass powder and 10% TiB2 ceramic powder by mass percentage.
[0038] Example 4 The same as Example 1, except that, The glass powder comprises the following components by mass percentage: 44.58% SiO2, 5% Al2O3, 9% CaO, 4.5% MgO, 0.5% K2O, 20% Na2O, 16% B2O3, 0.25% FeO, and 0.17% TiO2. The experimental temperature is 1000°C.
[0039] Example 5 The same as Example 4, except that, The glass lubricant comprises 95% glass powder and 5% TiB2 ceramic powder by mass percentage.
[0040] Example 6 The same as Example 4, except that, The glass lubricant comprises 90% glass powder and 10% TiB2 ceramic powder by mass percentage.
[0041] Example 7 The same as Example 1, except that, The glass powder comprises the following components by mass percentage: 41.08% SiO2, 5% Al2O3, 8% CaO, 3% MgO, 0.5% K2O, 24% Na2O, 18% B2O3, 0.25% FeO, and 0.17% TiO2. The experimental temperature is 1100°C.
[0042] Example 8 The same as example 7, except that, The glass lubricant includes 95% glass powder and 5% TiB2 ceramic powder by mass percentage.
[0043] Example 9 The same as example 7, except that, The glass lubricant includes 90% glass powder and 10% TiB2 ceramic powder by mass percentage.
[0044] Comparative example 1 The same as example 1, except that, no TiB2 is added.
[0045] Comparative example 2 The same as example 4, except that, no TiB2 is added.
[0046] Comparative example 3 The same as example 7, except that, no TiB2 is added.
[0047] In order to illustrate the performance of the glass lubricant with boride ceramic to improve high temperature lubrication performance provided by the present application, it is described in conjunction with the accompanying drawings.
[0048] Referring to Figure 1 , 2 , 3, 10, the friction coefficient of the provided glass lubricant is as low as 0.5, and the data is stable. Compared with no TiB2, the lubricant has not yet played a role in optimizing the friction performance at 900℃.
[0049] Referring to Figure 4 , 5 , 6, 11, the friction coefficient of the provided glass lubricant is as low as 0.06, and the data is stable. Compared with no TiB2, the lubricant reduces the friction coefficient by 70% at 1000℃, fully playing a role in optimizing the friction performance.
[0050] Referring to Figure 7 , 8 , 9, 12, the friction coefficient of the provided glass lubricant is as low as 0.03, and the data is stable. Compared with no TiB2, the lubricant reduces the friction coefficient by 85% at 1000℃, fully playing a role in optimizing the friction performance.
[0051] Referring to Figures 13 to 16 , the glass lubricant before and after the reaction is characterized by Fourier transform infrared absorption spectrum.
[0052] The glass lubricant without reaction, at 1450 cm -1 , 1806 cm -1, 3610 cm -1 Several obvious peaks are shown at 1450 cm -1 The absorption peak at 1806 cm -1 The absorption peak at 3610 cm -1 The absorption peak at 1520 cm -1 , 2350 cm -1 , 3730 cm -1 Several obvious peaks are shown at 1520 cm -1 The absorption peak at 1520 cm 4+ The absorption peak at 2350 cm 4+ The absorption peak at 3730 cm -1 The absorption peak at 3730 cm -1 The absorption peak at 3730 cm -1 The absorption peak at 3730 cm
[0053] After the glass lubricant is reacted at 900℃, 1000℃ and 1100℃, several obvious peaks are shown at 1520 cm -1 , 2350 cm -1 , 3730 cm -1 The absorption peak at 1520 cm -1 The absorption peak at 1520 cm 4+ The absorption peak at 2350 cm 4+ The absorption peak at 3730 cm -1 The absorption peak at 3730 cm -1 The absorption peak at 3730 cm -1 The absorption peak at 3730 cm
[0053] In the present application, the introduction of TiB2 significantly changes the microstructure of the glass lubricant. Ti element cooperates with the glass network at high temperature to restructure, promotes the formation of stable structure units such as Ti-O-B, inhibits the residual of hydroxyl and volatile components, and improves the thermal stability and structural compactness of the lubricating film. This structural evolution enables the lubricant to form a continuous and stable lubricating film at 1100℃, thereby significantly reducing the friction coefficient (lowest to 0.030).
[0054] In the present application, the introduction of TiB2 significantly changes the microstructure of the glass lubricant. Ti element cooperates with the glass network at high temperature to restructure, promotes the formation of stable structure units such as Ti-O-B, inhibits the residual of hydroxyl and volatile components, and improves the thermal stability and structural compactness of the lubricating film. This structural evolution enables the lubricant to form a continuous and stable lubricating film at 1100℃, thereby significantly reducing the friction coefficient (lowest to 0.030).
[0055] The preferred embodiments are described herein, including the best mode known to the inventors of practicing the application. Of course, variations on the preferred embodiments will occur to those of ordinary skill in the art once advised of the application in general, and the preferred embodiments in particular, without departing from the spirit and scope of the application. Therefore, it is well within the framewofk of the application to have other embodiments that are built upon the preferred embodiments and that can be missing, plus additional structures and / or functions. Accordingly, the appended claims are intended to encompass within their scope all alternatives, modifications, permutations, and variations of the preferred embodiments that have been described herein but also which can be apparent to those of ordinary skill in the art once advised of the application in general, and the preferred embodiments in particular. The following examples are provided to further illustrate the application, but should not be construed as limiting the scope of the application.
[0056] While the application has been illustrated and described in detail in the drawings and foregoing description, the same is to be considered as illustrative and not restrictive in character, since the scope of the application is indicated by the appended claims, along with their equivalents.
Claims
1. A glass lubricant for improving high temperature lubrication properties through boride ceramics, characterized by, The glass lubricant comprises 90-99% glass powder and 1-10% boride ceramic powder by mass percentage, and the mass percentage of the two is 100% in total; The glass powder comprises the following components by mass percentage: 40-50% SiO2, 3-7% Al2O3, 8-10% CaO, 2-5% MgO, 0.2-1% K2O, 10-30% Na2O, 5-20% B2O3, 0.1-1% FeO, and 0.1-0.5% TiO2, and the mass percentage of each component in the glass powder is 100% in total; The boride ceramic powder is one or more of TiB2, TiB, and Ti2B5.
2. The glass lubricant for enhancing high temperature lubricating properties through boride ceramics according to claim 1, characterized by, The glass powder comprises the following components in mass percent: 40-45% Si02, 5-6% Al203, 8-9% CaO, 3-5% MgO, 0.25-0.5% K20, 20-24% Na20, 16-18% B203, 0.25% FeO, 0.17% Ti02 2， The mass percent of each component in the glass powder is 100%.
3. The glass lubricant for enhancing high temperature lubrication performance by boride ceramics according to claim 1, characterized by, The glass powder is prepared according to the following steps: The components of the glass powder are proportioned according to the mass percentage, and mechanically mixed by a mixer to obtain a mixture; The mixture is heated to 1000℃ at a heating rate of 5℃ / min, and kept for 20 min; then heated to 1380℃ at a rate of 5℃ / min, and kept for 2 h to pass through the clarification and homogenization process, and a glass block is obtained by water quenching method; The glass block is ball milled and sieved through a 200-mesh sieve to obtain the glass powder.
4. The glass lubricant for enhancing high temperature lubrication performance by boride ceramics according to claim 1, characterized by, The boride ceramic powder has a particle size of 0.8-3μm and a purity of 99.5%.
5. A method of producing a glass lubricant for improving high-temperature lubricating properties by boride ceramics according to any one of claims 1 to 4, characterized by, The following steps are included: After the glass powder and the boride ceramic powder are mixed, the mixture is ground and sieved through a 60-mesh sieve to obtain a mixed powder; The mixed powder is dispersed in a solvent to obtain the glass lubricant with improved high-temperature lubrication performance by boride ceramic.
6. The method of claim 5, wherein the glass lubricant is prepared by mixing the boride ceramic with the glass lubricant. The solvent is anhydrous ethanol; The volume ratio of the anhydrous ethanol to the mixed powder is 1:100; The volume fraction of the anhydrous ethanol is 95%.
7. Use of the glass lubricant with improved high-temperature lubrication performance by boride ceramic according to any one of claims 1-4 for lubricating the surface of an alloy.
8. Use of a glass lubricant to enhance high temperature lubrication properties by boride ceramics on alloy surfaces according to claim 7, characterized in that, In the application process, the following steps are included: After the glass powder and the boride ceramic powder are mixed, the mixture is ground and sieved through a 60-mesh sieve to obtain a mixed powder; The mixed powder is dispersed in a solvent to obtain the glass lubricant with improved high-temperature lubrication performance by boride ceramic; The glass lubricant is coated on the surface of the alloy; The coating thickness is 0.2-0.5 mm.