CN105803286A - Ceramic compound tool material and preparation method - Google Patents
Ceramic compound tool material and preparation method Download PDFInfo
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- CN105803286A CN105803286A CN201610383865.XA CN201610383865A CN105803286A CN 105803286 A CN105803286 A CN 105803286A CN 201610383865 A CN201610383865 A CN 201610383865A CN 105803286 A CN105803286 A CN 105803286A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/04—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbonitrides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
- C22C1/058—Mixtures of metal powder with non-metallic powder by reaction sintering (i.e. gasless reaction starting from a mixture of solid metal compounds)
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/005—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compositions Of Oxide Ceramics (AREA)
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Abstract
The invention discloses a ceramic compound tool material and a preparation method. The ceramic compound tool material is mainly prepared from 8-20 parts of titanium nitride, 40-60 parts of titanium carbide, 8-20 parts of molybdenum carbide, 8-20 parts of tungsten carbide, 1-2 parts of zirconium carbide, 1-2 parts of aluminum oxide, 3-5 parts of silicon nitride, 0.1-0.5 part of boron nitride, 1-2 parts of carbon, 8-15 parts of nickel, 3-8 parts of cobalt, 4-8 parts of chromium, 1-3 parts of lanthanum oxide, 0-1 part of cerium oxide, 0-1 part of praseodymium oxide and 0-1 part of neodymium oxide. Process parameters are reasonably controlled through powder preparation, blank preparation, preforming, vacuum sintering, postprocessing and the like, and finally the tool compound material is obtained. The ceramic compound tool material and the preparation method have the beneficial effects that operation is easy and convenient, and the product has chemical stability and is small in friction coefficient for steel, capable of cutting refractory metal and resistant to cutting, melting and diffusing.
Description
Technical field
The present invention relates to complex cutter material technical field, be specifically related to a kind of ceramic complex cutter material and preparation method.
Background technology
nullThe material category of cutter is more，Currently mainly cutter material remains high-speed steel and hard alloy，Tool wear is that the main failure forms of cutter is by wearing and tearing、Tipping、Collapse broken、Forge a knife，The mechanical property of cutter material、Processing performance and the economy that can reduce the cost of charp tool to greatest extent are the directions that cutter develops，Conventional melt high-speed steel tool high temperature hardness is preferable，But its bending strength、Toughness is relatively low，Traditional carbide tool price is higher，It is bigger to main component tungsten resource demand，Development has some limitations，Ceramic-metallic performance is between pottery and tungsten carbide serial carbide alloy，Hardness ratio carbide tool is high，Antioxygenic property is good，And fracture toughness and bending strength are higher than nonmetallic ceramics cutter，It had both maintained the high intensity of pottery、The characteristics such as high rigidity，There are again preferable metal toughness and plasticity etc.，But the bending strength of sintex、Thermal conductivity、Toughness etc. are the lowest，Big in the temperature difference or when having greater impact load，Cutter easily lost efficacy.
Ti(C, N) based ceramic metal is a kind of novel cermet material, there is density low, the advantages such as refractory metal can be cut, obtained the biggest development in recent years, Ti(C, N) based ceramic metal is used as cutter material and is suitable for cast iron, ordinary steel, the high-speed cutting of glass hard steel and DRY CUTTING, serviceability is better than hard alloy and cutting tool coated with hard alloy, but along with cutting efficiency, cutting accuracy, the requirement of clipping time improves constantly, existing product can not meet hardness, wearability, red hardness, particularly sintex is to bending strength, thermal conductivity, the requirement of the multiple performance such as toughness.
Powder under vacuum sintering is carry out under the conditions of subatmospheric power powder sintered, the major advantage of vacuum-sintering is: decrease the harmful components in atmosphere (water, oxygen, the nitrogen) harmful effect to product, improve the liquid phase wettability to solid phase, be conducive to shrinking and improving the tissue of alloy, contribute to impurity or the eliminatings of its oxide such as silicon, aluminum, magnesium, calcium, playing the effect of scavenging material, the contraction in acceleration of sintering later stage has obvious effect.
Summary of the invention
The invention provides a kind of ceramic complex cutter material and preparation method, its main component is made up of following material: titanium nitride: 8-20 part, titanium carbide: 40-60 part, molybdenum carbide: 8-20 part, tungsten carbide: 8-20 part, zirconium carbide: 1-2 part, aluminium oxide: 1-2 part, silicon nitride: 3-5 part, boron nitride: 0.1-0.5 part, carbon: 1-2 part, nickel: 8-15 part, cobalt: 3-8 part, chromium: 4-8 part, lanthana: 1-3 part, cerium oxide: 0-1 part, praseodymium oxide: 0-1 part, Dineodymium trioxide: 0-1 part.
The main preparation process of a kind of ceramic complex cutter material and preparation method is that prepared by powder body, prepared by blank, preforming, vacuum-sintering, post processing etc., specifically comprise the following steps that
(1) according to component requirements, proportionally utilize high accuracy (0.001g) analytical balance to weigh said components, carry out drying and processing in an oven；
(2) using ball mill to carry out ball grinding stirring, said components adds ball mill, Ball-milling Time 20-30 hour, makes component element mix adequately and uniformly, and carry out classification and dried, described classification uses standard screen cloth to sieve；
(3) adding a certain amount of plasticiser in component powders, academic title's granularity is relatively thick and has certain false granularity grating, and the granule of good fluidity, described agglomerate particle size is 150-750 micron；
(4) granule is inserted vacuum-sintering system, be passed through noble gas and carry out preliminary compression molding, then process under 300-600 degrees celsius；
(5) being finally sintered by the product of preliminary compression molding, the temperature of sintering is 1350-1550 degree Celsius, and the sintered heat insulating time is 1-5 hour.
The invention have benefit that:
1, product surface is highly polished, precision size, can produce multiple composite and even tissue without trachoma, shrinkage cavity etc., and process energy consumption consumes little, relatively inexpensive；
2, it is passed through proper amount of gas (noble gas) at initial stage of sintering, ensure firing rate and the uniformity of furnace temperature of vacuum-sintering process, recyclegas cooling means is used to improve the rate of cooling of vacuum-sintering during cooling, it is to avoid the gases such as component element and hydrogen, oxygen, nitrogen react；
3, reasonable disposition component element, increases rare earth oxide element, improves ceramet group properties of product, promotes chemical stability bending strength, thermal conductivity and toughness.
Detailed description of the invention
Embodiment 1
A kind of ceramic complex cutter material and preparation method, its main component is made up of following material: titanium nitride: 9 parts, titanium carbide: 50 parts, molybdenum carbide: 8 parts, tungsten carbide: 8 parts, zirconium carbide: 1 part, aluminium oxide: 1 part, silicon nitride: 3.5 parts, boron nitride: 0.5 part, carbon: 1 part, nickel: 8 parts, cobalt: 3 parts, chromium: 4 parts, lanthana: 1 part, cerium oxide: 0.5 part, praseodymium oxide: 0.5 part, Dineodymium trioxide: 1 part.
The main preparation process of a kind of ceramic complex cutter material and preparation method is that prepared by powder body, prepared by blank, preforming, vacuum-sintering, post processing etc., specifically comprise the following steps that
(1) according to component requirements, proportionally utilize high accuracy (0.001g) analytical balance to weigh said components, carry out drying and processing in an oven；
(2) using ball mill to carry out ball grinding stirring, said components adds ball mill, Ball-milling Time 20 hours, makes component element mix adequately and uniformly, and carry out classification and dried, described classification uses standard screen cloth to sieve；
(3) adding a certain amount of plasticiser in component powders, academic title's granularity is relatively thick and has certain false granularity grating, and the granule of good fluidity, described agglomerate particle size is 150 microns；
(4) granule is inserted vacuum-sintering system, be passed through noble gas and carry out preliminary compression molding, then process under 300 degrees celsius；
(5) being finally sintered by the product of preliminary compression molding, the temperature of sintering is 1350 degrees Celsius, and the sintered heat insulating time is 3 hours.
Embodiment 2
A kind of ceramic complex cutter material and preparation method, its main component is made up of following material: titanium nitride: 10 parts, titanium carbide: 43 parts, molybdenum carbide: 8 parts, tungsten carbide: 8 parts, zirconium carbide: 2 parts, aluminium oxide: 2 parts, silicon nitride: 4.5 parts, boron nitride: 0.5 part, carbon: 1 part, nickel: 10 parts, cobalt: 5 parts, chromium: 4 parts, lanthana: 1.2 parts, cerium oxide: 0.2 part, praseodymium oxide: 0.2 part, Dineodymium trioxide: 0.4 part.
The main preparation process of a kind of ceramic complex cutter material and preparation method is that prepared by powder body, prepared by blank, preforming, vacuum-sintering, post processing etc., specifically comprise the following steps that
(1) according to component requirements, proportionally utilize high accuracy (0.001g) analytical balance to weigh said components, carry out drying and processing in an oven；
(2) using ball mill to carry out ball grinding stirring, said components adds ball mill, Ball-milling Time 30 hours, makes component element mix adequately and uniformly, and carry out classification and dried, described classification uses standard screen cloth to sieve；
(3) adding a certain amount of plasticiser in component powders, academic title's granularity is relatively thick and has certain false granularity grating, and the granule of good fluidity, described agglomerate particle size is 750 microns；
(4) granule is inserted vacuum-sintering system, be passed through noble gas and carry out preliminary compression molding, then process under 600 degrees celsius；
(5) being finally sintered by the product of preliminary compression molding, the temperature of sintering is 1550 degrees Celsius, and the sintered heat insulating time is 5 hours.
Embodiment 3
A kind of ceramic complex cutter material and preparation method, its main component is made up of following material: titanium nitride: 9 parts, titanium carbide: 47 parts, molybdenum carbide: 8 parts, tungsten carbide: 8 parts, zirconium carbide: 1 part, aluminium oxide: 1 part, silicon nitride: 3.9 parts, boron nitride: 0.1 part, carbon: 1 part, nickel: 8 parts, cobalt: 3 parts, chromium: 4 parts, lanthana: 3 parts, cerium oxide: 1 part, praseodymium oxide: 1 part, Dineodymium trioxide: 1 part.
The main preparation process of a kind of ceramic complex cutter material and preparation method is that prepared by powder body, prepared by blank, preforming, vacuum-sintering, post processing etc., specifically comprise the following steps that
(1) according to component requirements, proportionally utilize high accuracy (0.001g) analytical balance to weigh said components, carry out drying and processing in an oven；
(2) using ball mill to carry out ball grinding stirring, said components adds ball mill, Ball-milling Time 28 hours, makes component element mix adequately and uniformly, and carry out classification and dried, described classification uses standard screen cloth to sieve；
(3) adding a certain amount of plasticiser in component powders, academic title's granularity is relatively thick and has certain false granularity grating, and the granule of good fluidity, described agglomerate particle size is 600 microns；
(4) granule is inserted vacuum-sintering system, be passed through noble gas and carry out preliminary compression molding, then process under 500 degrees celsius；
(5) being finally sintered by the product of preliminary compression molding, the temperature of sintering is 1480 degrees Celsius, and the sintered heat insulating time is 4.5 hours.
Claims (2)
1. a ceramic complex cutter material and preparation method, it is characterised in that main component is made up of following material: titanium nitride: 8-20 part, titanium carbide: 40-60 part, molybdenum carbide: 8-20 part, tungsten carbide: 8-20 part, zirconium carbide: 1-2 part, aluminium oxide: 1-2 part, silicon nitride: 3-5 part, boron nitride: 0.1-0.5 part, carbon: 1-2 part, nickel: 8-15 part, cobalt: 3-8 part, chromium: 4-8 part, lanthana: 1-3 part, cerium oxide: 0-1 part, praseodymium oxide: 0-1 part, Dineodymium trioxide: 0-1 part.
The most according to claim 1, a kind of ceramic complex cutter material and preparation method, it is characterised in that main preparation process is that prepared by powder body, prepared by blank, preforming, vacuum-sintering, post processing etc., specifically comprise the following steps that
(1) according to component requirements, proportionally utilizing high accuracy balance to weigh said components, carry out drying and processing in an oven, described said components granularity is 3-5 micron, and purity is more than 99%；
(2) using ball mill to carry out ball grinding stirring, said components adds ball mill, Ball-milling Time 20-30 hour, makes component element mix adequately and uniformly, and carry out classification and dried, described classification uses standard screen cloth to sieve；
(3) adding a certain amount of plasticiser in component powders, academic title's granularity is relatively thick and has certain false granularity grating, the granule of good fluidity, described agglomerate particle size about 150-750 micron；
(4) granule is inserted vacuum-sintering system, be passed through noble gas and carry out preliminary compression molding, then process under 300-600 degrees celsius；
(5) being finally sintered by the product of preliminary compression molding, the temperature of sintering is 1350-1550 degree Celsius, and the sintered heat insulating time is 1-5 hour.
Priority Applications (1)
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| CN201610383865.XA CN105803286A (en) | 2016-06-02 | 2016-06-02 | Ceramic compound tool material and preparation method |
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| CN201610383865.XA CN105803286A (en) | 2016-06-02 | 2016-06-02 | Ceramic compound tool material and preparation method |
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| CN105803286A true CN105803286A (en) | 2016-07-27 |
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| CN201610383865.XA Pending CN105803286A (en) | 2016-06-02 | 2016-06-02 | Ceramic compound tool material and preparation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107058849A (en) * | 2017-06-26 | 2017-08-18 | 扬中市第蝶阀厂有限公司 | It is a kind of to be used to make cermet of valve body and preparation method thereof |
| CN107190196A (en) * | 2017-06-09 | 2017-09-22 | 洛阳理工学院 | A kind of cutter high-wear-resistant alloy material and preparation method thereof |
| CN107794466A (en) * | 2016-08-30 | 2018-03-13 | 梁概泉 | A kind of ceramic complex cutter material and preparation method |
| CN107794465A (en) * | 2016-08-30 | 2018-03-13 | 梁概泉 | A kind of ceramic complex cutter material and preparation method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1271706A (en) * | 2000-05-26 | 2000-11-01 | 清华大学 | High-antiwear composite ceramet material for cutting tools |
| CN102061417A (en) * | 2009-11-13 | 2011-05-18 | 厦门理工学院 | Nano silicon nitride and boron nitride reinforced titanium carbonitride based cermet |
-
2016
- 2016-06-02 CN CN201610383865.XA patent/CN105803286A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1271706A (en) * | 2000-05-26 | 2000-11-01 | 清华大学 | High-antiwear composite ceramet material for cutting tools |
| CN102061417A (en) * | 2009-11-13 | 2011-05-18 | 厦门理工学院 | Nano silicon nitride and boron nitride reinforced titanium carbonitride based cermet |
Non-Patent Citations (2)
| Title |
|---|
| 刘宁等: "添加碳对Ti（C，N）基金属陶瓷组织和性能的影响", 《理化检验-物理分册》 * |
| 樊新民等: "《工程陶瓷及其应用》", 31 July 2006 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107794466A (en) * | 2016-08-30 | 2018-03-13 | 梁概泉 | A kind of ceramic complex cutter material and preparation method |
| CN107794465A (en) * | 2016-08-30 | 2018-03-13 | 梁概泉 | A kind of ceramic complex cutter material and preparation method |
| CN107190196A (en) * | 2017-06-09 | 2017-09-22 | 洛阳理工学院 | A kind of cutter high-wear-resistant alloy material and preparation method thereof |
| CN107058849A (en) * | 2017-06-26 | 2017-08-18 | 扬中市第蝶阀厂有限公司 | It is a kind of to be used to make cermet of valve body and preparation method thereof |
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Application publication date: 20160727 |