CN108863371A - Al2O3The adaptive texture gradient sintex of/TiC/VN and its preparation process - Google Patents

Al2O3The adaptive texture gradient sintex of/TiC/VN and its preparation process Download PDF

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CN108863371A
CN108863371A CN201710338031.1A CN201710338031A CN108863371A CN 108863371 A CN108863371 A CN 108863371A CN 201710338031 A CN201710338031 A CN 201710338031A CN 108863371 A CN108863371 A CN 108863371A
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layer
content
tic
texture
sintex
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孟荣
邓建新
刘亚运
段冉
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Shandong University
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Shandong University
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Abstract

The invention discloses a kind of Al2O3The adaptive texture gradient sintex of/TiC/VN and its preparation process, belong to technical field of mechanical cutting tool manufacture.Sintex prepared by the present invention is by Al2O3, TiC, VN composition, have slice gradient structure, the number of plies be five layers, VN content is gradually increased by internal layer outer layers, is machined with micro- texture in cutter rake face.The present invention occurs high temperature friction using the cutting heat that VN is generated during the cutting process and chemically reacts, and generates the oxide with the V of self-lubricating function；The groove-shaped micron texture of cutter rake face processing can capture abrasive dust, reduces abrasive wear, stores the high-temperature oxydation product of VN, improve the self-lubricating property of cutter.Sintex prepared by the present invention, hardness with higher, higher intensity have lower coefficient of friction when using in high-temperature machining processing, can be widely applied to the machining of dry cutting and difficult-to-machine material.

Description

Al2O3The adaptive texture gradient sintex of/TiC/VN and its preparation process
Technical field
The invention belongs to technical field of mechanical cutting tool manufacture, particularly relate to a kind of Al2O3The adaptive texture of/TiC/VN Graded ceramics cutter and its preparation process.
Background technique
With the improvement of people's environmental awareness, people gradually recognize that environment is not only polluted in the use of cutting fluid, increase life Cost is produced, and injury is brought to workers ' health.It therefore, can be to avoid using cutting fluid bring using dry machining technology technology Harm.But due to the cooling and lubrication during dry machining technology without cutting fluid, it is resistance to that high rigidity, height are provided with to knife The higher requirements such as mill property, low-friction coefficient.
Al2O3Base ceramic cutting tool has high rigidity, high-wearing feature and good inoxidizability, can be widely applied to difficult processing The machining of material.TiC base ceramet tool bit has good mechanical performance under the high temperature conditions, and density is small, but tough Property is lower.By in Al2O3TiC second phase particles are added in base ceramic cutting tool, Al can be improved by dis-persion toughening mechanism2O3 The toughness of base ceramic cutting tool, to be more suitable for the machining of difficult-to-machine material.By Tool Design at gradient-structure, Ke Yigai The interior state of kind cutter, to improve the mechanical performance of cutter.
VN can react under the high temperature conditions with the oxygen in surrounding air generates a series of V's with self-lubricating function Oxide, and as the temperature rises, produce V2O5, when temperature is more than 685 DEG C, V2O5Start to melt, become liquid phase, Contain V at one layer of VN Surface Creation2O5The adamantine layer of the oxide of equal V, to make the surface VN that there is lower coefficient of friction.
The texture features with certain pattern are processed in friction surface, the abrasive dust of abrasive wear generation is can capture, deposits Lubricant is stored up, contact area is reduced, thus reduce the coefficient of friction between friction pair, the friction condition between improvement friction is secondary.Laser Processing does not need workpiece to be fixed clamping, not the loss of cutter due to high in machining efficiency, and machining accuracy is high, therefore quilt It is widely used in texture processing.
Chinese patent (application number：201010220319.7) disclose a kind of gradient nano composite ceramic tool material and its Preparation method, the cutter material in the invention have symmetric gradient hierarchical structure, and used cutter material is Si3N4、Al2O3、 AlN、TiCN、Y2O3, the gradient nano composite ceramic tool invented is with good mechanical property；Chinese patent (application number： 201010215916.0) a kind of zirconium boride-tungsten titanium carbide self-lubricating composite ceramic material is disclosed, it is rubbed by zirconium boride in high temperature Wiping effect is lower to generate the B with self-lubricating function2O3The self-lubricating function of oxidation product realization composite material；Chinese patent (application Number：201210447210.6) a kind of compound texture self-lubricating sintex of micro-nano and its preparation process are disclosed, using laser plus Work technology processes nanoscale texture in rake face processing micron grade texture on negative chamfered edge, and respectively in the micron-scale texture with Filled solid lubricant in nanoscale texture realizes oneself of cutter by the double action of the compound texture of micro-nano and solid lubricant Lubrication.
Summary of the invention
The object of the present invention is to provide a kind of Al2O3The adaptive texture gradient sintex of/TiC/VN and its preparation process, The sintex can not only improve the distribution of cutter internal stress, improve tool mechanical performance, and with excellent self-lubricating and resist Polishing machine；Preparation process of the invention simultaneously is easy to operate, has great industrialization potential.
In order to solve the above technical problems, present invention offer technical solution is as follows：
On the one hand, the present invention provides a kind of Al2O3The adaptive texture gradient sintex of/TiC/VN, prepared Al2O3/ The adaptive texture gradient sintex of TiC/VN is by Al2O3, TiC, VN composition, have slice gradient structure, the number of plies be five layers, VN Content is gradually increased by internal layer outer layers, and every layer of component difference is as follows, and the group of first layer and layer 5 is divided into：Al2O3Content is 30-65wt.%, TiC content are 30-65wt.%, and VN content is 10-30wt.%；The second layer and the 4th layer of group are divided into：Al2O3 Content is 35-60wt.%, and TiC content is 35-60wt.%, and VN content is 5-10wt.%；The group of third layer is divided into：Al2O3Contain Amount is 40-60wt.%, and TiC content is 40-60wt.%；Micro- texture is machined in cutter rake face.
On the other hand, the present invention also provides above-mentioned Al2O3The preparation process of the adaptive texture gradient sintex of/TiC/VN, Include the following steps：
(1) ingredient：Al2O3Powder size is 0.5-1.0 μm, and TiC powder granularity is 0.5-1.0 μm, and VN powder size is 0.5-1.0 μm, by Al2O3, tri- kinds of powder of TiC, VN configure mixed-powder by a certain percentage, the ratio of mixed-powder is as follows：First The group of layer and layer 5 is divided into：Al2O3Content is 30-65wt.%, and TiC content is 30-65wt.%, and VN content is 10- 30wt.%；The second layer and the 4th layer of group are divided into：Al2O3Content is 35-60wt.%, and TiC content is 35-60wt.%, and VN contains Amount is 5-10wt.%；The group of third layer is divided into：Al2O3Content is 40-60wt.%, and TiC content is 40-60wt.%；It will configuration Good mixed-powder is respectively charged into ball mill progress ball milling and uses Al using dehydrated alcohol as medium2O3Ceramic Balls ball milling 48h, It is spare with 100 mesh sieves after vacuum drying；
(2) it charges and is sintered：The mixed-powder prepared is packed into high strength graphite mold in such a way that place Min layers are filled out In, sequence that place Min layers are filled out is layer 5, the 4th layer, third layer, the second layer, first layer, makes the content of VN from inside to outside gradually It increases, carries out hot pressed sintering under vacuum conditions, sintering range is 1700-1800 DEG C, sintering pressure 30-40MPa, is protected The warm time is 30-60min；
(3) micro- texture is laser machined：Groove pattern is processed in the sintex rake face sintered using nanosecond laser Micro- texture, texture groove is oriented parallel to main cutting edge, and texture width is 30-50 μm, and texture depth is 30-50 μm, texture Spacing is 50-400 μm, and distance of the texture edge far from main cutting edge is 40-100 μm.
The invention has the advantages that：
The present invention provides a kind of Al2O3The adaptive texture gradient sintex of/TiC/VN and its preparation process, the ceramics Cutter not only has slice gradient structure, improves the distribution of cutter internal stress, improves tool mechanical performance, and add in cutter interior Enter with the VN reacted under the high temperature conditions with the oxygen in air, to generate the oxide with the V of self-lubricating function； It not only can capture abrasive dust in groove-shaped micro- texture of cutter rake face processing, reduce the abrasive wear of tool surface, improve knife Have the wear resistance on surface, and can store the oxide for the V with self-lubricating function that VN is generated in high temperature friction, The loss for reducing VN oxidation product increases VN oxidation product in the residence time of tool surface, to improve cutter Self-lubricating property；Preparation process of the invention simultaneously is easy to operate, has great industrialization potential.
Detailed description of the invention
Fig. 1 is Al of the invention2O3The adaptive texture gradient sintex structural schematic diagram of/TiC/VN；Wherein, 1 is cutter Rake face, 2 be micro- texture, and 3 be Al2O3The first layer of the adaptive texture gradient sintex of/TiC/VN, 4 be Al2O3/TiC/VN The second layer of adaptive texture gradient sintex, 5 be Al2O3The third layer of the adaptive texture gradient sintex of/TiC/VN, 6 For Al2O3The 4th layer of the adaptive texture gradient sintex of/TiC/VN, 7 be Al2O3The adaptive texture gradient ceramics of/TiC/VN The layer 5 of cutter.
Specific embodiment
The present invention provides a kind of Al2O3The adaptive texture gradient sintex of/TiC/VN and its preparation process, to make this The purpose of invention, technical solution and effect are clearer, define, and the present invention is described in more detail below.It should be appreciated that this Locate described specific embodiment to be only used to explain the present invention, be not intended to limit the present invention.
Embodiment 1
A kind of Al2O3The adaptive texture gradient sintex of/TiC/VN, prepared Al2O3The adaptive texture of/TiC/VN Graded ceramics cutter is by Al2O3, TiC, VN composition, have slice gradient structure, the number of plies be five layers, VN content is by internal layer outer layers It gradually increases, every layer of component difference is as follows, and the group of first layer and layer 5 is divided into：Al2O3Content is 36wt.%, TiC content For 44wt.%, VN content is 20wt.%；The second layer and the 4th layer of group are divided into：Al2O3Content is 40.5wt.%, TiC content For 49.5wt.%, VN content is 10wt.%；The group of third layer is divided into：Al2O3Content is 45wt.%, and TiC content is 55wt.%；Micro- texture is machined in cutter rake face；
A kind of Al2O3The preparation process of the adaptive texture gradient sintex of/TiC/VN, including ingredient, charging and sintering, Micro- texture is laser machined, specific step of preparation process is as follows：
(1) ingredient：Al2O3Powder size is 0.5 μm, and TiC powder granularity is 0.5 μm, and VN powder size is 0.5 μm, will Al2O3, tri- kinds of powder of TiC, VN configure mixed-powder by a certain percentage, the ratio of mixed-powder is as follows：First layer and layer 5 Group is divided into：Al2O3Content is 36wt.%, and TiC content is 44wt.%, and VN content is 20wt.%；The second layer and the 4th layer of group It is divided into：Al2O3Content is 40.5wt.%, and TiC content is 49.5wt.%, and VN content is 10wt.%；The group of third layer is divided into： Al2O3Content is 45wt.%, and TiC content is 55wt.%；Configured mixed-powder is respectively charged into ball mill and carries out ball milling, Using dehydrated alcohol as medium, Al is used2O3Ceramic Balls ball milling 48h, it is spare with 100 mesh sieves after vacuum drying；
(2) it charges and is sintered：The mixed-powder prepared is packed into high strength graphite mold in such a way that place Min layers are filled out Middle pressure, the sequence that place Min layers are filled out are layer 5, the 4th layer, third layer, the second layer, first layer, make the content of VN from inside to outside by Edge up height, carries out hot pressed sintering under vacuum conditions, and sintering range is 1700 DEG C, sintering pressure 30MPa, soaking time For 30min；
(3) micro- texture is laser machined：Groove pattern is processed in the sintex rake face sintered using nanosecond laser Micro- texture, texture groove is oriented parallel to main cutting edge, and texture width is 30 μm, and texture depth is 30 μm, and texture spacing is 50 μm, distance of the texture edge far from main cutting edge is 40 μm.
Embodiment 2
A kind of Al2O3The adaptive texture gradient sintex of/TiC/VN, prepared Al2O3The adaptive texture of/TiC/VN Graded ceramics cutter is by Al2O3, TiC, VN composition, have slice gradient structure, the number of plies be five layers, VN content is by internal layer outer layers It gradually increases, every layer of component difference is as follows, and the group of first layer and layer 5 is divided into：Al2O3Content is 30wt.%, TiC content For 52wt.%, VN content is 18wt.%；The second layer and the 4th layer of group are divided into：Al2O3Content is 38wt.%, and TiC content is 54wt.%, VN content are 8wt.%；The group of third layer is divided into：Al2O3Content is 40wt.%, and TiC content is 60wt.%；In knife Tool rake face is machined with micro- texture.
A kind of Al2O3The preparation process of the adaptive texture gradient sintex of/TiC/VN, including ingredient, charging and sintering, Micro- texture is laser machined, specific step of preparation process is as follows：
(1) ingredient：Al2O3Powder size is 0.8 μm, and TiC powder granularity is 0.8 μm, and VN powder size is 0.8 μm, will Al2O3, tri- kinds of powder of TiC, VN configure mixed-powder by a certain percentage, the ratio of mixed-powder is as follows：First layer and layer 5 Group is divided into：Al2O3Content is 30wt.%, and TiC content is 52wt.%, and VN content is 18wt.%；The second layer and the 4th layer of group It is divided into：Al2O3Content is 38wt.%, and TiC content is 54wt.%, and VN content is 8wt.%；The group of third layer is divided into：Al2O3Contain Amount is 40wt.%, and TiC content is 60wt.%；Configured mixed-powder is respectively charged into ball mill and carries out ball milling, with anhydrous Ethyl alcohol uses Al as medium2O3Ceramic Balls ball milling 48h, it is spare with 100 mesh sieves after vacuum drying；
(2) it charges and is sintered：The mixed-powder prepared is packed into high strength graphite mold in such a way that place Min layers are filled out In, sequence that place Min layers are filled out is layer 5, the 4th layer, third layer, the second layer, first layer, makes the content of VN from inside to outside gradually It increases, carries out hot pressed sintering under vacuum conditions, sintering range is 1800 DEG C, sintering pressure 50MPa, and soaking time is 60min；
(3) micro- texture is laser machined：Groove pattern is processed in the sintex rake face sintered using nanosecond laser Micro- texture, the groove of texture is oriented parallel to main cutting edge, and texture width is 50 μm, and texture depth is 50 μm, texture spacing It is 100 μm, distance of the texture edge far from main cutting edge is 70 μm.
Pass through Al prepared by above-mentioned technique2O3The adaptive texture gradient sintex of/TiC/VN has slice gradient knot Inside of the content containing sintex of structure, VN is gradually increased to outside, is machined with micro- texture, performance in sintex rake face Raising is achieved in the following ways：(1) structure of slice gradient is used, the content of VN on the inside of cutter to outside by gradually increasing Add, improves the internal stress distribution of cutter, improve the mechanical performance of cutter；(2) addition of VN makes prepared sintex High temperature friction occurs using the cutting heat generated in cutting process to chemically react, generates the oxide with the V of self-lubricating function； (3) it can capture abrasive dust in groove-shaped micro- texture of cutter rake face processing, reduce the abrasive wear of tool surface, improve knife Has the wear resistance on surface；(4) it can store VN in high temperature friction in groove-shaped micro- texture of cutter rake face processing The oxide of the V with self-lubricating function generated, reduces the loss of VN oxidation product, increases VN oxidation product in cutter The residence time on surface provides continually and steadily for tool surface during the cutting process to improve the self-lubricating property of cutter Lubrication.
Prepared Al2O3The adaptive texture gradient sintex of/TiC/VN, hardness with higher, higher intensity, There is lower coefficient of friction when using in high-temperature machining processing, can be widely applied to the cutting of dry cutting and difficult-to-machine material Processing.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (2)

1. a kind of Al2O3The adaptive texture gradient sintex of/TiC/VN, it is characterised in that：Prepared Al2O3/ TiC/VN is certainly Texture gradient sintex is adapted to by Al2O3, TiC, VN composition, have slice gradient structure, the number of plies be five layers, VN content is by interior Layer outer layers gradually increase, and every layer of component difference is as follows, and the group of first layer and layer 5 is divided into：Al2O3Content is 30- 65wt.%, TiC content are 30-65wt.%, and VN content is 10-30wt.%；The second layer and the 4th layer of group are divided into：Al2O3Contain Amount is 35-60wt.%, and TiC content is 35-60wt.%, and VN content is 5-10wt.%；The group of third layer is divided into：Al2O3Content For 40-60wt.%, TiC content is 40-60wt.%；Micro- texture is machined in cutter rake face.
2. a kind of Al2O3The preparation process of the adaptive texture gradient sintex of/TiC/VN, it is characterised in that：Preparation process includes Ingredient, charging and sintering, the micro- texture of laser processing, specific step of preparation process are as follows：
(1) ingredient：Al2O3Powder size is 0.5-1.0 μm, and TiC powder granularity is 0.5-1.0 μm, and VN powder size is 0.5- 1.0 μm, by Al2O3, tri- kinds of powder of TiC, VN configure mixed-powder by a certain percentage, the ratio of mixed-powder is as follows：First layer and The group of layer 5 is divided into：Al2O3Content is 30-65wt.%, and TiC content is 30-65wt.%, and VN content is 10-30wt.%；The Two layers and the 4th layer of group is divided into：Al2O3Content is 35-60wt.%, and TiC content is 35-60wt.%, and VN content is 5- 10wt.%；The group of third layer is divided into：Al2O3Content is 40-60wt.%, and TiC content is 40-60wt.%；It will be configured mixed Conjunction powder is respectively charged into ball mill progress ball milling and uses Al using dehydrated alcohol as medium2O3Ceramic Balls ball milling 48h, vacuum are dry It is spare with 100 mesh sieves after dry；
(2) it charges and is sintered：The mixed-powder prepared is fitted into high strength graphite mold in such a way that place Min layers are filled out, point The sequence that layer paving is filled out is layer 5, the 4th layer, third layer, the second layer, first layer, gradually rises the content of VN from inside to outside, Carry out hot pressed sintering under vacuum conditions, sintering range is 1700-1800 DEG C, sintering pressure 30-40MPa, when heat preservation Between be 30-60min；
(3) micro- texture is laser machined：The micro- of groove pattern is processed in the sintex rake face sintered using nanosecond laser Texture, texture groove are oriented parallel to main cutting edge, and texture width is 30-50 μm, and texture depth is 30-50 μm, texture spacing It is 50-400 μm, distance of the texture edge far from main cutting edge is 40-100 μm.
CN201710338031.1A 2017-05-15 2017-05-15 Al2O3The adaptive texture gradient sintex of/TiC/VN and its preparation process Pending CN108863371A (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004049358A2 (en) * 2002-11-25 2004-06-10 Materials Modification, Inc. Multifunctional particulate material, fluid, and composition
JP2005081511A (en) * 2003-09-10 2005-03-31 Nachi Fujikoshi Corp Coated cutting tool
CN102390980A (en) * 2011-08-12 2012-03-28 山东轻工业学院 Gradient self-lubricating ceramic cutter material and preparation method thereof
CN102785422A (en) * 2012-08-17 2012-11-21 中国科学院宁波材料技术与工程研究所 Vanadium nitride tool coating and manufacturing method thereof
CN103028746A (en) * 2012-11-09 2013-04-10 山东大学 Micro-nano composite texture self-lubricating ceramic tool and manufacture method thereof
CN103111819A (en) * 2013-01-22 2013-05-22 江苏大学 Preparation method of cutter surface antisticking antifriction micro mosaic composite texture
CN104651804A (en) * 2014-11-21 2015-05-27 华东交通大学 Method for chemical vapor depositing of vanadium nitride coating on cutter surface
CN106187121A (en) * 2016-07-21 2016-12-07 山东大学 A kind of preparation technology of multi-layered ceramic cutter
CN106282919A (en) * 2016-08-31 2017-01-04 艾瑞森表面技术（苏州）股份有限公司 For the composite bed of cutter and the cutter including this composite bed and preparation method thereof
CN106498393A (en) * 2016-09-08 2017-03-15 山东大学 Micro- texture ZrVSiN self adaptation coated cutting tool and its preparation technology

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004049358A2 (en) * 2002-11-25 2004-06-10 Materials Modification, Inc. Multifunctional particulate material, fluid, and composition
JP2005081511A (en) * 2003-09-10 2005-03-31 Nachi Fujikoshi Corp Coated cutting tool
CN102390980A (en) * 2011-08-12 2012-03-28 山东轻工业学院 Gradient self-lubricating ceramic cutter material and preparation method thereof
CN102785422A (en) * 2012-08-17 2012-11-21 中国科学院宁波材料技术与工程研究所 Vanadium nitride tool coating and manufacturing method thereof
CN103028746A (en) * 2012-11-09 2013-04-10 山东大学 Micro-nano composite texture self-lubricating ceramic tool and manufacture method thereof
CN103111819A (en) * 2013-01-22 2013-05-22 江苏大学 Preparation method of cutter surface antisticking antifriction micro mosaic composite texture
CN104651804A (en) * 2014-11-21 2015-05-27 华东交通大学 Method for chemical vapor depositing of vanadium nitride coating on cutter surface
CN106187121A (en) * 2016-07-21 2016-12-07 山东大学 A kind of preparation technology of multi-layered ceramic cutter
CN106282919A (en) * 2016-08-31 2017-01-04 艾瑞森表面技术（苏州）股份有限公司 For the composite bed of cutter and the cutter including this composite bed and preparation method thereof
CN106498393A (en) * 2016-09-08 2017-03-15 山东大学 Micro- texture ZrVSiN self adaptation coated cutting tool and its preparation technology

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
G. GASSNER 等: "A new low friction concept for high temperatures: lubricious oxide formation on sputtered VN coatings", 《TRIBOLOGY LETTERS》 *
N. FATEH 等: "Tribological Properties of Reactive Magnetron Sputtered V2O5 and VN–V2O5 Coatings", 《TRIBOLOGY LETTERS》 *
XING YOUQIANG 等: "Effect of femtosecond laser pretreatment on wear resistance of Al2O3/TiC ceramic tools in dry cutting", 《INT. JOURNAL OF REFRACTORY METALS AND HARD MATERIALS》 *
吴泽 等: "表面织构刀具的研究现状与进展", 《航空制造技术》 *
尹邦跃: "《陶瓷核燃料工艺》", 31 January 2016, 哈尔滨工程大学出版社 *

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