CN104402454B - A kind of heat-stable ceramic and preparation method thereof for cutting tool - Google Patents
A kind of heat-stable ceramic and preparation method thereof for cutting tool Download PDFInfo
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- CN104402454B CN104402454B CN201410580976.0A CN201410580976A CN104402454B CN 104402454 B CN104402454 B CN 104402454B CN 201410580976 A CN201410580976 A CN 201410580976A CN 104402454 B CN104402454 B CN 104402454B
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Abstract
Does is a kind of cutting tool heat-stable ceramic, made up of the raw material of following weight portion: Al2O3? 15-20, CaO18-22, zirconia 20-24, silicon nitride 30-35, boron nitride 25-30, black silicon carbide 9-12, basic zirconium phosphate 2-3, magnesia 3-4, polyethylene glycol 1-1.3, appropriate amount of ethanol, humic acid potassium 1-1.3, deionized water are appropriate, polyethylene glycol 1.7-2, antiwear assistant 3-4; Ceramic abrasive resistance of the present invention is good, by adding black silicon carbide, basic zirconium phosphate, magnesia, has greatly increased ceramic wearability, thermal conductivity, has extended the service life of cutter, and this pottery cost is low; The antiwear assistant of the application of the invention, can increase ceramic surface smoothness, wearability and heat resistance.
Description
Technical field
The present invention relates to ceramic cutting tool material field, relate in particular to a kind of cutting tool heat-stable ceramic and preparation side thereofMethod.
Background technology
Along with the development of new and high technology, mechanical industry has proposed more strict and harsh requirement to cutter material, existingNeeding higher stock-removing efficiency, the machining accuracy of material, needs that workhardness is higher also to require height, this just requires to improve cutterThe performance of tool, the cutting material hardness such as traditional high-speed steel are inadequate, and waste the rare resource such as molybdenum, nickel, therefore StupaloxTool arises at the historic moment. Ceramic cutting-tool has possessed high rigidity, high density, high temperature resistant, and diamagneticization, anti-oxidant, corrosion resistance be strong, changeLearn the features such as good stability, high-wearing feature, but still have frangible, poor radiation, thermal shock resistance is poor, abrasion resistance is limited etc.Shortcoming, needs to improve, and needs constantly to reduce production costs simultaneously, realizes enterprise's maximum benefit, promotes scientific and technological progress.
Summary of the invention
The object of the present invention is to provide a kind of cutting tool heat-stable ceramic and preparation method thereof, this ceramic abrasive resistanceGood, by adding black silicon carbide, basic zirconium phosphate, magnesia, greatly increase ceramic wearability, thermal conductivity, extend cutterIn service life, this pottery cost is low.
Technical scheme of the present invention is as follows:
A kind of cutting tool heat-stable ceramic, is characterized in that being made up of the raw material of following weight portion: Al2O315-20,CaO18-22, zirconia 20-24, silicon nitride 30-35, boron nitride 25-30, black silicon carbide 9-12, basic zirconium phosphate 2-3, magnesia 3-4, appropriate, polyethylene glycol 1.7-2, antiwear assistant 3-of polyethylene glycol 1-1.3, appropriate amount of ethanol, humic acid potassium 1-1.3, deionized water4；
Described antiwear assistant is made up of the raw material of following weight portion: silicon nitride 1-1.4, aluminium nitride 1-1.4, titanium nitride 1-1.3, carbonitride 0.4-0.7, zirconia 1-2, bortz powder 1-2, hafnium oxide 0.3-0.4, silane coupler kh-5501-2, nitrogenChange silver-colored 0.7-0.9, carborundum 1-2, polyacrylate 0.4-0.6, ethanol 6-9, water 7-11; Preparation method is: by ethanol, poly-thirdOlefin(e) acid ester, silane coupler kh-550 are added to the water, and stir, then add zirconia, carborundum, are heated to 70-80 DEG C, stirMix reaction 20-30 minute, then add other residual components, stir 10-20 minute, ultrasonic dispersion 6-8 minute, filters, and dries powderBroken, cross 40 mesh sieves, under nitrogen atmosphere, calcine 30-40 minute at 1380-1440 DEG C, pulverize, cross 40 mesh sieves, to obtain final product.
The preparation method of heat-stable ceramic for described cutting tool, is characterized in that comprising the following steps:
(1) zirconia, silicon nitride, boron nitride are mixed, ball milling, crosses 325 mesh sieves, obtains particle;
(2) Al2O3, CaO, black silicon carbide, magnesia are mixed, ball milling, crosses 300 mesh sieves, obtains particle;
(3) particle basic zirconium phosphate, humic acid potassium being obtained with first two steps mixes, and adds the deionization of 20-25% weight portionThe ethanol of water, 3-5% weight portion, is mixed into mud shape, sends in ball mill ball milling 2-3 hour, dry, send in calcining furnace,At 800-900 DEG C, calcine 1-2 hour, take out and pulverize, cross 300 mesh sieves, obtain particle;
(4) particle (3) step being obtained mixes with other residual components, adds the deionized water, poly-of 3-4 times of weight portionEthylene glycol, ball milling 2-3 hour is dried at 110-120 DEG C, crosses 40 mesh sieves, hot pressing at 1580-1640 DEG C, hot pressing pressure is20-30MPa, hot pressing time is 50-60 minute, to obtain final product.
Beneficial effect of the present invention
Ceramic abrasive resistance of the present invention is good, by adding black silicon carbide, basic zirconium phosphate, magnesia, has greatly increased potteryWearability, thermal conductivity, extended service life of cutter, and this pottery cost is low; The antiwear assistant of the application of the invention, canIncrease ceramic surface smoothness, wearability and heat resistance.
Detailed description of the invention
A kind of cutting tool heat-stable ceramic, by following weight portion (kilogram) raw material make: Al2O318, CaO20, oxygenChange zirconium 22, silicon nitride 33, boron nitride 28, black silicon carbide 11, basic zirconium phosphate 2.5, magnesia 3.5, polyethylene glycol 1.2, appropriate amount of ethanol,Humic acid potassium 1.1, deionized water are appropriate, polyethylene glycol 1.8, antiwear assistant 3.5;
Described antiwear assistant by following weight portion (kilogram) raw material make: silicon nitride 1.2, aluminium nitride 1.2, titanium nitride1.2, carbonitride 0.6, zirconia 1.5, bortz powder 1.5, hafnium oxide 0.3, silane coupler kh-5501.5, nitrogenize silver 0.8,Carborundum 1.5, polyacrylate 0.5, ethanol 7, water 9; Preparation method is: by ethanol, polyacrylate, silane coupler kh-550 are added to the water, and stir, then add zirconia, carborundum, are heated to 75 DEG C, stirring reaction 25 minutes, then add otherResidual components, stirs 15 clocks, and ultrasonic dispersion 7 minutes is filtered, and dries, and pulverizes, and crosses 40 mesh sieves, under nitrogen atmosphere, at 1420 DEG CCalcine 35 minutes, pulverize, cross 40 mesh sieves, to obtain final product.
The preparation method of heat-stable ceramic for described cutting tool, comprises the following steps:
(1) zirconia, silicon nitride, boron nitride are mixed, ball milling, crosses 325 mesh sieves, obtains particle;
(2) Al2O3, CaO, black silicon carbide, magnesia are mixed, ball milling, crosses 300 mesh sieves, obtains particle;
(3) particle basic zirconium phosphate, humic acid potassium being obtained with first two steps mixes, and adds the deionized water, 4% of 23% weight portionThe ethanol of weight portion, is mixed into mud shape, sends in ball mill ball milling 2.5 hours, dry, sends in calcining furnace, at 840 DEG CCalcine 1.5 hours, take out and pulverize, cross 300 mesh sieves, obtain particle;
(4) particle (3) step being obtained mixes with other residual components, adds the deionized water of 3 times of weight portions, poly-secondGlycol, ball milling 2.4 hours is dried at 114 DEG C, crosses 40 mesh sieves, hot pressing at 1630 DEG C, hot pressing pressure is 25MPa, when hot pressingBetween be 55 minutes, to obtain final product.
Experimental data:
The Vickers hardness of this embodiment pottery is 94GPa, and bending strength is 1028MPa, and fracture toughness is 12MPam1/2。
Claims (2)
1. a cutting tool heat-stable ceramic, is characterized in that being made up of the raw material of following weight portion: Al2O315-20、CaO18-22, zirconia 20-24, silicon nitride 30-35, boron nitride 25-30, black silicon carbide 9-12, basic zirconium phosphate 2-3, magnesia 3-4, poly-Ethylene glycol 1-1.3, appropriate amount of ethanol, humic acid potassium 1-1.3, deionized water are appropriate, polyethylene glycol 1.7-2, antiwear assistant 3-4; InstituteStating antiwear assistant is made up of the raw material of following weight portion: silicon nitride 1-1.4, aluminium nitride 1-1.4, titanium nitride 1-1.3, carbonitride0.4-0.7, zirconia 1-2, bortz powder 1-2, hafnium oxide 0.3-0.4, silane coupler kh-5501-2, nitrogenize silver 0.7-0.9, carborundum 1-2, polyacrylate 0.4-0.6, ethanol 6-9, water 7-11; The preparation method of described antiwear assistant is: by secondAlcohol, polyacrylate, silane coupler kh-550 are added to the water, and stir, then add zirconia, carborundum, are heated to 70-80 DEG C, stirring reaction 20-30 minute, then add other residual components, and stirring 10-20 minute, ultrasonic dispersion 6-8 minute, filters,Dry, pulverize, cross 40 mesh sieves, under nitrogen atmosphere, calcine 30-40 minute at 1380-1440 DEG C, pulverize, cross 40 mesh sieves,.
2. the preparation method of heat-stable ceramic for cutting tool according to claim 1, is characterized in that comprising the following steps:
(1) zirconia, silicon nitride, boron nitride are mixed, ball milling, crosses 325 mesh sieves, obtains particle;
(2) by Al2O3, CaO, black silicon carbide, magnesia mix, ball milling, crosses 300 mesh sieves, obtains particle;
(3) particle basic zirconium phosphate, humic acid potassium being obtained with first two steps mixes, and adds deionized water, the 3-of 20-25% weight portionThe ethanol of 5% weight portion, is mixed into mud shape, sends in ball mill ball milling 2-3 hour, dry, sends in calcining furnace, at 800-At 900 DEG C, calcine 1-2 hour, take out and pulverize, cross 300 mesh sieves, obtain particle;
(4) particle (3) step being obtained mixes with other residual components except deionized water and polyethylene glycol, adds 3-The deionized water of 4 times of weight portions, polyethylene glycol, ball milling 2-3 hour is dried at 110-120 DEG C, crosses 40 mesh sieves, at 1580-Hot pressing at 1640 DEG C, hot pressing pressure is 20-30MPa, hot pressing time is 50-60 minute, to obtain final product.
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| CN106587959A (en) * | 2016-12-05 | 2017-04-26 | 苏州洛特兰新材料科技有限公司 | Nitrogen-based wear-resistant ceramic material and preparation method thereof |
| CN107162569A (en) * | 2017-05-22 | 2017-09-15 | 佛山市蓝瑞欧特信息服务有限公司 | A kind of composite ceramic material |
| CN111151761A (en) * | 2020-01-14 | 2020-05-15 | 山东建筑大学 | Wear-resistant and high-temperature-resistant numerical control cutter material based on 3D printing and preparation method |
| CN111995415A (en) * | 2020-08-18 | 2020-11-27 | 潍坊卓宇新材料科技有限公司 | Composite boron nitride ceramic high-temperature nozzle and preparation method thereof |
| CN116477957B (en) * | 2023-05-05 | 2024-03-12 | 湖南泰鑫瓷业有限公司 | Heat-resistant ceramic cutter and preparation method and application thereof |
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| CN103833336A (en) * | 2014-03-24 | 2014-06-04 | 郑州东林设备防护有限公司 | Wear-resistant and corrosion-resistant composite ceramic for industrial high-temperature pipeline and preparation method thereof |
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| CN103833336A (en) * | 2014-03-24 | 2014-06-04 | 郑州东林设备防护有限公司 | Wear-resistant and corrosion-resistant composite ceramic for industrial high-temperature pipeline and preparation method thereof |
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Inventor after: Gong Xun Inventor before: Xi Shaofei |
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Effective date of registration: 20170814 Address after: The east town of Haian County in Jiangsu province 226600 Nantong City Development Road No. 169 Patentee after: HAIAN SUBO ROBOT TECHNOLOGY CO.,LTD. Address before: 231602, No. 68, Zhong Xiang Road, Hefei Town, Feidong County, Anhui Patentee before: HEFEI DONGLU MACHINE MANUFACTURING Co.,Ltd. |
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Effective date of registration: 20221214 Address after: No. 1788, Taihu Road, Heze City, Shandong Province 274032 Patentee after: SHANDONG HEZE ZHENHUA PRECISION MOULD CO.,LTD. Address before: 226600 169 Li Fa FA Road, Chengdong Town, Haian County, Nantong, Jiangsu Patentee before: HAIAN SUBO ROBOT TECHNOLOGY CO.,LTD. |
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