Titanium alloy cutting tool and method of making same

Abstract

The application discloses a preparation method of a titanium alloy cutting tool, which comprises the following steps: step one, weighing raw materials: Ti 45-50 parts, Cr 2-5 parts, Ni 1-3 parts, Nb 1-3 parts, yttrium adjusting modifier 3-5 parts, and silicon synergist 2-4 parts; step two, sequentially adding the raw materials in step one into a smelting furnace to completely smelt, then adding the smelted material into a mold to cool and shape, and forming a tool preliminary body. The titanium alloy cutting tool adopts Ti, Cr, Ni and Nb raw materials in cooperation with yttrium adjusting modifier and silicon synergist, and the two are cooperated to optimize the cutting efficiency and wear resistance of the tool base body, improve the performance effect of the product, and then the product is immersed in a graphene modified liquid for modification, so that the performance effect of the product is strengthened through heat adjustment treatment, the performance of the product is improved, the acid corrosion stability of the product is improved, and the performance of the product is further improved.

Description

Technical Field

[0001] This invention relates to the field of cutting tool technology, specifically to a titanium alloy cutting tool and its preparation method. Background Technology

[0002] Titanium possesses advantages such as low density, high strength, good corrosion resistance, and high specific strength, making it widely used in aerospace, shipbuilding, seawater power generation, chemical metallurgy, automotive, and biomedical fields. Currently, countries worldwide are investing significant human and material resources in the research and development of titanium and its alloys. However, existing titanium alloy cutting tools suffer from poor cutting performance. Improving cutting performance often leads to a decrease in the wear resistance of the alloy tools, making coordinated product improvements difficult. Furthermore, the low acid corrosion resistance further limits the efficiency of these tools. Summary of the Invention

[0003] In view of the deficiencies of the prior art, the purpose of this invention is to provide a titanium alloy cutting tool and its preparation method, so as to solve the problems mentioned in the background art.

[0004] The present invention solves the technical problem by adopting the following technical solution:

[0005] This invention provides a method for preparing titanium alloy cutting tools, comprising the following steps:

[0006] Step 1: Weighing the raw materials:

[0007] The following ingredients are added: 45-50 parts Ti, 2-5 parts Cr, 1-3 parts Ni, 1-3 parts Nb, 3-5 parts yttrium modifier, and 2-4 parts silicon synergist.

[0008] Step 2: Add the raw materials from Step 1 to the melting furnace and melt them completely. Then, add the molten material to the mold to cool and solidify, forming the initial body of the tool.

[0009] Step 3: Immerse the tool body in a sufficient amount of graphene modification solution for ultrasonic treatment. After treatment, wash with water and dry.

[0010] Step four: reheat conditioning treatment. After the treatment is completed, the titanium alloy cutting tool of the present invention can be obtained.

[0011] Preferably, the yttrium modifier is prepared by:

[0012] S1: Yttrium oxide is first proton-irradiated. After the irradiation is completed, the irradiated yttrium oxide is obtained.

[0013] S2: The irradiated yttrium oxide is placed in a manganese nitrate solution at 3-5 times the total amount of the irradiated yttrium oxide. Then, sodium dodecylbenzenesulfonate at 2-5% of the total amount of the irradiated yttrium oxide and silane coupling agent at 1-3% of the total amount of the irradiated yttrium oxide are added. The mixture is stirred and treated. After treatment, the mixture is washed with water and dried to obtain the yttrium modifier.

[0014] Preferably, the irradiation power of the irradiation treatment is 350-400W, and the irradiation time is 5-10 minutes; the stirring temperature of the stirring treatment is 45-50℃, the stirring speed is 350-400r / min, and the stirring time is 20-30 minutes.

[0015] Preferably, the silane coupling agent is silane coupling agent KH560; the mass fraction of the manganese nitrate solution is 5-10%.

[0016] Preferably, the preparation method of the silicon synergist is as follows:

[0017] First, mix the nano-silica thoroughly in a sufficient amount of sodium lignosulfonate solution, then wash with water and dry. Place the dried nano-silica in a sufficient amount of lanthanum chloride solution and continue to mix thoroughly. Finally, filter and dry to obtain the silicon synergist.

[0018] Preferably, the sodium lignosulfonate solution has a mass fraction of 10-15%; and the lanthanum chloride solution has a mass fraction of 2-5%.

[0019] Preferably, the ultrasonic power of the immersion ultrasonic treatment is 400-500W, and the ultrasonic time is 20-30min;

[0020] The heat conditioning process first raises the temperature to 210-220℃ at a rate of 2-5℃ / min, holds it at that temperature for 5 minutes, then raises the temperature to 350℃ at a rate of 1-3℃ / min, holds it at that temperature for another 2 minutes, and finally air-cools it to room temperature.

[0021] Preferably, the graphene-modified liquid is prepared by:

[0022] S11: Place the graphene in a 10% potassium permanganate solution (4-7 times the total amount of graphene) for high-frequency reaction treatment. After the reaction is complete, wash with water and dry. The reaction frequency is 180-200KHz and the reaction time is 2-5min.

[0023] S12: Mix 3-5 parts of dry graphene, 1-3 parts of chitosan solution, 2-5 parts of sodium silicate solution and 1-2 parts of sodium dodecyl sulfate thoroughly to obtain graphene modified solution.

[0024] Preferably, the chitosan solution has a mass fraction of 4-6%; the sodium silicate solution has a mass fraction of 10%.

[0025] The present invention also provides a method for preparing titanium alloy cutting tools.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] This invention relates to titanium alloy cutting tools made from Ti, Cr, Ni, and Nb raw materials, combined with yttrium modifiers and silicon synergists. The synergistic combination of these two modifiers optimizes the cutting efficiency and wear resistance of the tool matrix, thus improving overall performance. Furthermore, the tools are modified by immersion in graphene-modified liquid, followed by heat treatment to further enhance performance, improve acid corrosion resistance, and ultimately achieve superior overall performance. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to specific examples. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] This embodiment describes a method for preparing a titanium alloy cutting tool, comprising the following steps:

[0030] Step 1: Weighing the raw materials:

[0031] The following ingredients are added: 45-50 parts Ti, 2-5 parts Cr, 1-3 parts Ni, 1-3 parts Nb, 3-5 parts yttrium modifier, and 2-4 parts silicon synergist.

[0032] Step 2: Add the raw materials from Step 1 to the melting furnace and melt them completely. Then, add the molten material to the mold to cool and solidify, forming the initial body of the tool.

[0033] Step 3: Immerse the tool body in a sufficient amount of graphene modification solution for ultrasonic treatment. After treatment, wash with water and dry.

[0034] Step four: reheat conditioning treatment. After the treatment is completed, the titanium alloy cutting tool of the present invention can be obtained.

[0035] The preparation method of the yttrium modifier in this embodiment is as follows:

[0036] S1: Yttrium oxide is first proton-irradiated. After the irradiation is completed, the irradiated yttrium oxide is obtained.

[0037] S2: The irradiated yttrium oxide is placed in a manganese nitrate solution at 3-5 times the total amount of the irradiated yttrium oxide. Then, sodium dodecylbenzenesulfonate at 2-5% of the total amount of the irradiated yttrium oxide and silane coupling agent at 1-3% of the total amount of the irradiated yttrium oxide are added. The mixture is stirred and treated. After treatment, the mixture is washed with water and dried to obtain the yttrium modifier.

[0038] In this embodiment, the irradiation power for the irradiation treatment is 350-400W, and the irradiation time is 5-10 minutes; the stirring temperature for the stirring treatment is 45-50℃, the stirring speed is 350-400r / min, and the stirring time is 20-30 minutes.

[0039] In this embodiment, the silane coupling agent is silane coupling agent KH560; the mass fraction of the manganese nitrate solution is 5-10%.

[0040] The preparation method of the silicon synergist in this embodiment is as follows:

[0041] First, mix the nano-silica thoroughly in a sufficient amount of sodium lignosulfonate solution, then wash with water and dry. Place the dried nano-silica in a sufficient amount of lanthanum chloride solution and continue to mix thoroughly. Finally, filter and dry to obtain the silicon synergist.

[0042] In this embodiment, the sodium lignosulfonate solution has a mass fraction of 10-15%; the lanthanum chloride solution has a mass fraction of 2-5%.

[0043] In this embodiment, the ultrasonic power of the immersion ultrasonic treatment is 400-500W, and the ultrasonic time is 20-30min.

[0044] The heat conditioning process first raises the temperature to 210-220℃ at a rate of 2-5℃ / min, holds it at that temperature for 5 minutes, then raises the temperature to 350℃ at a rate of 1-3℃ / min, holds it at that temperature for another 2 minutes, and finally air-cools it to room temperature.

[0045] The preparation method of the graphene-modified liquid in this embodiment is as follows:

[0046] S11: Place the graphene in a 10% potassium permanganate solution (4-7 times the total amount of graphene) for high-frequency reaction treatment. After the reaction is complete, wash with water and dry. The reaction frequency is 180-200KHz and the reaction time is 2-5min.

[0047] S12: Mix 3-5 parts of dry graphene, 1-3 parts of chitosan solution, 2-5 parts of sodium silicate solution and 1-2 parts of sodium dodecyl sulfate thoroughly to obtain graphene modified solution.

[0048] In this embodiment, the chitosan solution has a mass fraction of 4-6%; the sodium silicate solution has a mass fraction of 10%.

[0049] This embodiment describes a method for preparing titanium alloy cutting tools.

[0050] Example 1.

[0051] This embodiment describes a method for preparing a titanium alloy cutting tool, comprising the following steps:

[0052] Step 1: Weighing the raw materials:

[0053] The mixture consists of 45 parts Ti, 2 parts Cr, 1 part Ni, 1 part Nb, 3 parts yttrium modifier, and 2 parts silicon synergist.

[0054] Step 2: Add the raw materials from Step 1 to the melting furnace and melt them completely. Then, add the molten material to the mold to cool and solidify, forming the initial body of the tool.

[0055] Step 3: Immerse the tool body in a sufficient amount of graphene modification solution for ultrasonic treatment. After treatment, wash with water and dry.

[0056] Step four: reheat conditioning treatment. After the treatment is completed, the titanium alloy cutting tool of the present invention can be obtained.

[0057] The preparation method of the yttrium modifier in this embodiment is as follows:

[0058] S1: Yttrium oxide is first proton-irradiated. After the irradiation is completed, the irradiated yttrium oxide is obtained.

[0059] S2: The irradiated yttrium oxide is placed in a manganese nitrate solution with a total volume of 3 times that of the irradiated yttrium oxide. Then, sodium dodecylbenzenesulfonate (2% of the total volume of the irradiated yttrium oxide) and silane coupling agent (1% of the total volume of the irradiated yttrium oxide) are added. The mixture is stirred and treated. After treatment, the mixture is washed with water and dried to obtain the yttrium modifier.

[0060] In this embodiment, the irradiation power for the irradiation treatment is 350W, and the irradiation time is 5 minutes; the stirring temperature for the stirring treatment is 45℃, the stirring speed is 350r / min, and the stirring time is 20 minutes.

[0061] In this embodiment, the silane coupling agent is silane coupling agent KH560; the mass fraction of the manganese nitrate solution is 5%.

[0062] The preparation method of the silicon synergist in this embodiment is as follows:

[0063] First, mix the nano-silica thoroughly in a sufficient amount of sodium lignosulfonate solution, then wash with water and dry. Place the dried nano-silica in a sufficient amount of lanthanum chloride solution and continue to mix thoroughly. Finally, filter and dry to obtain the silicon synergist.

[0064] In this embodiment, the sodium lignosulfonate solution has a mass fraction of 10%; the lanthanum chloride solution has a mass fraction of 2%.

[0065] In this embodiment, the ultrasonic power of the immersion ultrasonic treatment is 400W, and the ultrasonic time is 20min.

[0066] The heat conditioning process first raises the temperature to 210°C at a rate of 2°C / min and holds it for 5 minutes, then raises the temperature to 350°C at a rate of 1°C / min and holds it for another 2 minutes, and finally air-cools it to room temperature.

[0067] The preparation method of the graphene-modified liquid in this embodiment is as follows:

[0068] S11: Graphene was placed in a 10% potassium permanganate solution (4 times the total amount of graphene) for high-frequency reaction treatment. After the reaction was completed, the graphene was washed with water and dried. The reaction frequency was 180 kHz and the reaction time was 2 min.

[0069] S12: Mix 3 parts of dry graphene, 1 part of chitosan solution, 2 parts of sodium silicate solution and 1 part of sodium dodecyl sulfate thoroughly to obtain graphene modified solution.

[0070] In this embodiment, the chitosan solution has a mass fraction of 4%; the sodium silicate solution has a mass fraction of 10%.

[0071] This embodiment describes a method for preparing titanium alloy cutting tools.

[0072] Example 2.

[0073] This embodiment describes a method for preparing a titanium alloy cutting tool, comprising the following steps:

[0074] Step 1: Weighing the raw materials:

[0075] The mixture consists of 50 parts Ti, 5 parts Cr, 3 parts Ni, 3 parts Nb, 5 parts yttrium modifier, and 4 parts silicon synergist.

[0076] Step 2: Add the raw materials from Step 1 to the melting furnace and melt them completely. Then, add the molten material to the mold to cool and solidify, forming the initial body of the tool.

[0077] Step 3: Immerse the tool body in a sufficient amount of graphene modification solution for ultrasonic treatment. After treatment, wash with water and dry.

[0078] Step four: reheat conditioning treatment. After the treatment is completed, the titanium alloy cutting tool of the present invention can be obtained.

[0079] The preparation method of the yttrium modifier in this embodiment is as follows:

[0080] S1: Yttrium oxide is first proton-irradiated. After the irradiation is completed, the irradiated yttrium oxide is obtained.

[0081] S2: The irradiated yttrium oxide is placed in a manganese nitrate solution at 5 times the total amount of the irradiated yttrium oxide. Then, sodium dodecylbenzenesulfonate at 5% of the total amount of the irradiated yttrium oxide and silane coupling agent at 3% of the total amount of the irradiated yttrium oxide are added. The mixture is stirred and treated. After treatment, the mixture is washed with water and dried to obtain the yttrium modifier.

[0082] In this embodiment, the irradiation power for the irradiation treatment is 400W, and the irradiation time is 10 minutes; the stirring temperature for the stirring treatment is 50℃, the stirring speed is 400r / min, and the stirring time is 30 minutes.

[0083] In this embodiment, the silane coupling agent is silane coupling agent KH560; the mass fraction of the manganese nitrate solution is 10%.

[0084] The preparation method of the silicon synergist in this embodiment is as follows:

[0085] First, mix the nano-silica thoroughly in a sufficient amount of sodium lignosulfonate solution, then wash with water and dry. Place the dried nano-silica in a sufficient amount of lanthanum chloride solution and continue to mix thoroughly. Finally, filter and dry to obtain the silicon synergist.

[0086] In this embodiment, the sodium lignosulfonate solution has a mass fraction of 15%; the lanthanum chloride solution has a mass fraction of 5%.

[0087] In this embodiment, the ultrasonic power of the immersion ultrasonic treatment is 500W, and the ultrasonic time is 30min.

[0088] The heat conditioning process first raises the temperature to 220°C at a rate of 5°C / min and holds it for 5 minutes, then raises the temperature to 350°C at a rate of 3°C / min and holds it for 2 minutes, and finally air-cools it to room temperature.

[0089] The preparation method of the graphene-modified liquid in this embodiment is as follows:

[0090] S11: Graphene was placed in a 10% potassium permanganate solution (7 times the total amount of graphene) for high-frequency reaction treatment. After the reaction was completed, the graphene was washed with water and dried. The reaction frequency was 200 kHz and the reaction time was 5 min.

[0091] S12: Mix 5 parts of dry graphene, 3 parts of chitosan solution, 5 parts of sodium silicate solution and 2 parts of sodium dodecyl sulfate thoroughly to obtain graphene modified solution.

[0092] In this embodiment, the chitosan solution has a mass fraction of 6%; the sodium silicate solution has a mass fraction of 10%.

[0093] This embodiment describes a method for preparing titanium alloy cutting tools.

[0094] Example 3.

[0095] This embodiment describes a method for preparing a titanium alloy cutting tool, comprising the following steps:

[0096] Step 1: Weighing the raw materials:

[0097] The mixture consists of 47.5 parts Ti, 3.5 parts Cr, 2 parts Ni, 2 parts Nb, 4 parts yttrium modifier, and 3 parts silicon synergist.

[0098] Step 2: Add the raw materials from Step 1 to the melting furnace and melt them completely. Then, add the molten material to the mold to cool and solidify, forming the initial body of the tool.

[0099] Step 3: Immerse the tool body in a sufficient amount of graphene modification solution for ultrasonic treatment. After treatment, wash with water and dry.

[0100] Step four: reheat conditioning treatment. After the treatment is completed, the titanium alloy cutting tool of the present invention can be obtained.

[0101] The preparation method of the yttrium modifier in this embodiment is as follows:

[0102] S1: Yttrium oxide is first proton-irradiated. After the irradiation is completed, the irradiated yttrium oxide is obtained.

[0103] S2: The irradiated yttrium oxide is placed in a manganese nitrate solution at 4 times the total amount of the irradiated yttrium oxide. Then, sodium dodecylbenzenesulfonate at 3.5% of the total amount of the irradiated yttrium oxide and silane coupling agent at 2% of the total amount of the irradiated yttrium oxide are added. The mixture is stirred and treated. After treatment, the mixture is washed with water and dried to obtain the yttrium modifier.

[0104] In this embodiment, the irradiation power for the irradiation treatment was 375W, and the irradiation time was 7.5 minutes; the stirring temperature for the stirring treatment was 47℃, the stirring speed was 370r / min, and the stirring time was 25 minutes.

[0105] In this embodiment, the silane coupling agent is silane coupling agent KH560; the mass fraction of the manganese nitrate solution is 5-10%.

[0106] The preparation method of the silicon synergist in this embodiment is as follows:

[0107] First, mix the nano-silica thoroughly in a sufficient amount of sodium lignosulfonate solution, then wash with water and dry. Place the dried nano-silica in a sufficient amount of lanthanum chloride solution and continue to mix thoroughly. Finally, filter and dry to obtain the silicon synergist.

[0108] In this embodiment, the sodium lignosulfonate solution has a mass fraction of 12.5%; the lanthanum chloride solution has a mass fraction of 3.5%.

[0109] In this embodiment, the ultrasonic power of the immersion ultrasonic treatment is 400-500W, and the ultrasonic time is 20-30min.

[0110] The heat conditioning process first raises the temperature to 215°C at a rate of 3.5°C / min and holds it for 5 minutes, then raises the temperature to 350°C at a rate of 2°C / min and holds it for another 2 minutes, and finally air-cools it to room temperature.

[0111] The preparation method of the graphene-modified liquid in this embodiment is as follows:

[0112] S11: Graphene was placed in a 10% potassium permanganate solution (5.5 times the total amount of graphene) for high-frequency reaction treatment. After the reaction was completed, the graphene was washed with water and dried. The reaction frequency was 190 kHz and the reaction time was 3.5 min.

[0113] S12: Mix 4 parts of dry graphene, 2 parts of chitosan solution, 3.5 parts of sodium silicate solution and 1.5 parts of sodium dodecyl sulfate thoroughly to obtain graphene modified solution.

[0114] In this embodiment, the chitosan solution has a mass fraction of 5%; the sodium silicate solution has a mass fraction of 10%.

[0115] This embodiment describes a method for preparing titanium alloy cutting tools.

[0116] Example 4.

[0117] This embodiment describes a method for preparing a titanium alloy cutting tool, comprising the following steps:

[0118] Step 1: Weighing the raw materials:

[0119] The mixture consists of 46 parts Ti, 3 parts Cr, 2 parts Ni, 2 parts Nb, 4 parts yttrium modifier, and 3 parts silicon synergist.

[0120] Step 2: Add the raw materials from Step 1 to the melting furnace and melt them completely. Then, add the molten material to the mold to cool and solidify, forming the initial body of the tool.

[0121] Step 3: Immerse the tool body in a sufficient amount of graphene modification solution for ultrasonic treatment. After treatment, wash with water and dry.

[0122] Step four: reheat conditioning treatment. After the treatment is completed, the titanium alloy cutting tool of the present invention can be obtained.

[0123] The preparation method of the yttrium modifier in this embodiment is as follows:

[0124] S1: Yttrium oxide is first proton-irradiated. After the irradiation is completed, the irradiated yttrium oxide is obtained.

[0125] S2: The irradiated yttrium oxide is placed in a manganese nitrate solution at 4 times the total amount of the irradiated yttrium oxide. Then, sodium dodecylbenzenesulfonate at 3% of the total amount of the irradiated yttrium oxide and silane coupling agent at 2% of the total amount of the irradiated yttrium oxide are added. The mixture is stirred and treated. After the treatment is completed, the mixture is washed with water and dried to obtain the yttrium modifier.

[0126] In this embodiment, the irradiation power for the irradiation treatment is 360W, and the irradiation time is 6 minutes; the stirring temperature for the stirring treatment is 47°C, the stirring speed is 360 r / min, and the stirring time is 22 minutes.

[0127] In this embodiment, the silane coupling agent is silane coupling agent KH560; the mass fraction of the manganese nitrate solution is 6%.

[0128] The preparation method of the silicon synergist in this embodiment is as follows:

[0129] First, mix the nano-silica thoroughly in a sufficient amount of sodium lignosulfonate solution, then wash with water and dry. Place the dried nano-silica in a sufficient amount of lanthanum chloride solution and continue to mix thoroughly. Finally, filter and dry to obtain the silicon synergist.

[0130] In this embodiment, the sodium lignosulfonate solution has a mass fraction of 12%; the lanthanum chloride solution has a mass fraction of 3%.

[0131] In this embodiment, the ultrasonic power of the immersion ultrasonic treatment is 420W, and the ultrasonic time is 22min.

[0132] The heat conditioning process first raises the temperature to 212°C at a rate of 3°C / min and holds it for 5 minutes, then raises the temperature to 350°C at a rate of 2°C / min and holds it for another 2 minutes, and finally air-cools it to room temperature.

[0133] The preparation method of the graphene-modified liquid in this embodiment is as follows:

[0134] S11: Graphene was placed in a 10% potassium permanganate solution (5 times the total amount of graphene) for high-frequency reaction treatment. After the reaction was completed, the graphene was washed with water and dried. The reaction frequency was 190 kHz and the reaction time was 3 min.

[0135] S12: Mix 4 parts of dry graphene, 2 parts of chitosan solution, 3 parts of sodium silicate solution and 1.2 parts of sodium dodecyl sulfate thoroughly to obtain graphene modified solution.

[0136] In this embodiment, the chitosan solution has a mass fraction of 5%; the sodium silicate solution has a mass fraction of 10%.

[0137] This embodiment describes a method for preparing titanium alloy cutting tools.

[0138] Comparative Example 1.

[0139] Unlike Example 3, no yttrium modifier was added.

[0140] Comparative Example 2.

[0141] Unlike Example 3, step S2 was not used in the preparation of the yttrium modifier.

[0142] Comparative Example 3.

[0143] Unlike Example 3, no silane coupling agent was added in step S2, and deionized water was used instead of manganese nitrate solution.

[0144] Comparative Example 4.

[0145] Unlike Example 3, no silicon synergist was added.

[0146] Comparative Example 5.

[0147] Unlike Example 3, no graphene-modified liquid treatment was used.

[0148] Comparative Example 6.

[0149] Unlike Example 3, sodium silicate solution and sodium dodecyl sulfate were not used in the graphene modification liquid treatment.

[0150] The products of Examples 1-4 and Comparative Examples 1-6 of this invention were subjected to performance tests. Simultaneously, the products were placed under a 2% hydrochloric acid mist environment for 24 hours to test their acid corrosion resistance. The processing material was GH4.

[0151] 145, feed rate 0.2mm, depth of cut 0.1mm, cutting speed tested at 150m / min as follows;

[0152]

[0153]

[0154] As can be seen from Examples 1-4 and Comparative Examples 1-6, the products of Examples 1-4 of this invention exhibit excellent cutting efficiency and wear resistance, and also demonstrate significant acid corrosion resistance. The performance of the products deteriorates significantly when any one of the following is omitted: yttrium modifier, silicon synergist, or graphene modification solution treatment is not used. The most significant performance improvement is achieved when all three are used in combination. Furthermore, the performance of the products tends to deteriorate when the S2 step is omitted in the preparation of the yttrium modifier, when silane coupling agent is not added in the S2 step, when deionized water is used instead of manganese nitrate solution, or when sodium silicate solution and sodium dodecyl sulfate are not used in the graphene modification solution treatment. Only the raw materials obtained using the method of this invention exhibit the most significant performance improvement; other methods cannot achieve the technical effects of this invention.

[0155] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within the present invention.

[0156] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A method of making a titanium alloy cutting tool, characterized by, Includes the following steps: Step 1: Weighing the raw materials: Ti 45-50 parts, Cr 2-5 parts, Ni 1-3 parts, Nb 1-3 parts, yttrium modifier 3-5 parts, silicon synergist 2-4 parts; Step 2: Add the raw materials from Step 1 to the melting furnace and melt them completely. Then, add the molten material to the mold to cool and solidify, forming the initial body of the tool. Step 3: Immerse the tool body in a sufficient amount of graphene modification solution for ultrasonic treatment. After treatment, wash with water and dry. Step four: reheat conditioning treatment. After the treatment is completed, the titanium alloy cutting tool can be obtained. The preparation method of the yttrium modifier is as follows: S1: Yttrium oxide is first proton-irradiated. After the irradiation is completed, the irradiated yttrium oxide is obtained. S2: Irradiated yttrium oxide is placed in a manganese nitrate solution at 3-5 times the total amount of irradiated yttrium oxide. Then, sodium dodecylbenzenesulfonate at 2-5% of the total amount of irradiated yttrium oxide and silane coupling agent at 1-3% of the total amount of irradiated yttrium oxide are added. The mixture is stirred, and after treatment, it is washed with water and dried to obtain the yttrium modifier. The preparation method of the silicon synergist is as follows: First, mix the nano-silica thoroughly in a sufficient amount of sodium lignosulfonate solution, then wash with water and dry. Place the dried nano-silica in a sufficient amount of lanthanum chloride solution and continue to mix thoroughly. Finally, filter and dry to obtain the silicon synergist. The preparation method of the graphene-modified liquid is as follows: S11: Place the graphene in a 10% potassium permanganate solution (4-7 times the total amount of graphene) for high-frequency reaction treatment. After the reaction is complete, wash with water and dry. The reaction frequency is 180-200KHz and the reaction time is 2-5min. S12: Mix 3-5 parts of dry graphene, 1-3 parts of chitosan solution, 2-5 parts of sodium silicate solution and 1-2 parts of sodium dodecyl sulfate thoroughly to obtain graphene modified solution.

2. The method for preparing a titanium alloy cutting tool according to claim 1, characterized in that, The irradiation power for the irradiation treatment is 350-400W, and the irradiation time is 5-10 minutes; the stirring temperature for the stirring treatment is 45-50℃, the stirring speed is 350-400r / min, and the stirring time is 20-30 minutes.

3. The method for preparing a titanium alloy cutting tool according to claim 1, characterized in that, The silane coupling agent is silane coupling agent KH560; the mass fraction of the manganese nitrate solution is 5-10%.

4. The method for preparing a titanium alloy cutting tool according to claim 1, characterized in that, The sodium lignosulfonate solution has a mass fraction of 10-15%; the lanthanum chloride solution has a mass fraction of 2-5%.

5. The method for preparing a titanium alloy cutting tool according to claim 1, characterized in that, The ultrasonic power of the immersion ultrasonic treatment is 400-500W, and the ultrasonic time is 20-30min. The heat conditioning process first raises the temperature to 210-220℃ at a rate of 2-5℃ / min, holds it at that temperature for 5 minutes, then raises the temperature to 350℃ at a rate of 1-3℃ / min, holds it at that temperature for another 2 minutes, and finally air-cools it to room temperature.

6. The method for preparing a titanium alloy cutting tool according to claim 1, characterized in that, The chitosan solution has a mass fraction of 4-6%; the sodium silicate solution has a mass fraction of 10%.

7. A titanium alloy cutting tool prepared by the method of preparing a titanium alloy cutting tool according to any one of claims 1-6.

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