CN107385302A - A kind of high rigidity Ti（C,N）Base ceramet tool bit composite - Google Patents

A kind of high rigidity Ti（C,N）Base ceramet tool bit composite Download PDF

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Publication number
CN107385302A
CN107385302A CN201710604367.8A CN201710604367A CN107385302A CN 107385302 A CN107385302 A CN 107385302A CN 201710604367 A CN201710604367 A CN 201710604367A CN 107385302 A CN107385302 A CN 107385302A
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China
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purity
particle mean
mean size
tib
composite
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CN201710604367.8A
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Chinese (zh)
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孙晨晨
其他发明人请求不公开姓名
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Suzhou Superlong Aviation Heat Resistance Material Technology Co Ltd
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Suzhou Superlong Aviation Heat Resistance Material Technology Co Ltd
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Priority to CN201710604367.8A priority Critical patent/CN107385302A/en
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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
    • 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

Abstract

A kind of high rigidity Ti（C,N）Base ceramet tool bit composite, it is characterised in that the component of the composite includes：Ti、TiB2、WC、C、Ni、Mo.Composite material is Ti（C,N）‑TiB2WC or Ti（C,N）‑TiB2(W, Ti) C ceramic tool material；Ti is Ti（C5,N5）, atomic ratio C:N is 5:5, particle mean size is 1.5 μm, purity 99.9%；Powder TiB2It is a kind of enhancing phase, particle mean size is 2 μm, purity 99%；WC particle mean sizes are 2 μm, purity 99.6%, and C is（W0.7, Ti0.3) C, particle mean size is 1.5 μm, purity 99%, and WC and C mass fraction are 15%；Ni is Ni nanoparticle, and particle mean size is 0.05 μm, purity 99.9%, and Mo is nanometer Mo, and particle mean size is 0.06 μm, purity 99%.The present invention improves Ti（C,N）Hardness and bending strength under base ceramet tool bit high temperature, the mechanical property of cutter is improved, saved the valuable rare metal such as Co, Ta and W, be advantageous to improve national resources guarantee, promote the upgrading of China's Hardmetal materials.

Description

A kind of high rigidity Ti（C,N）Base ceramet tool bit composite
Technical field
The present invention relates to a kind of advanced composite material (ACM), the particularly component of the composite to include enhancing phase TiB2And receive Rice Ni, Mo, available for being widely used in cutter field.
Background technology
With expanding economy, there is deficient phenomenon in various resources, and China's metal Co resources are more poor, and are used as one Strategic precious metal is planted, Co price persistently rises in recent years, in order to economize on resources, invents the material of alternative scarce resource It is particularly important；Therefore, there is the Ti of good combination property（C,N）The development and extensive use of base ceramet tool bit, no The upgrading of China's Hardmetal materials can be only promoted, and Co, Ta and W necessary to ordinary rigid alloy can be saved etc. Valuable rare metal, have great importance in terms of national resources degree of protection is improved, its development space is larger, is a kind of value The cutter material that must be studied and inquire into.Ti（C,N）Base ceramet tool bit obtains the research of countries in the world extensively and profoundly, west hair Up to country on Ti（C,N）Patent in terms of based ceramic metal technology of preparing continuously emerges, some countries in positive application and Promote this cutter material, Ti（C,N）The occupation rate of market of based ceramic metal product is increasing year by year.But Ti（C,N）Fund The problem of category sintex still has is toughness deficiency, and high temperature hardness is inadequate, wears no resistance, and these problems also need further Improve.
Ti is Ti（C5,N5）, atomic ratio C:N is 5:5, this proportioning can obtain the preferable base Ti of combination property（C,N） Body material, its wearability, chemical stability will get well, and bending strength, the fracture first time and hardness will height；TiB2It is added to as enhancing In ceramics, the excellent physical chemistry such as flexible modulus is high, coefficient of friction is low, inoxidizability is high and chemical stability is good Can, extreme hardness is TiB2Outstanding feature, therefore, select TiB2As addition phase, Ti can be effectively increased（C,N）Base is compound The hardness of ceramic tool；Addition quality is that 15%WC and C can obtain preferable Fine Texture of Material, is advantageous to improve Ti（C, N）Fracture first time of base composite ceramic cutter；Ni nanoparticle and Mo are added in sintex, refinement can be obtained and be uniformly tightly combined Crystal grain, it is fine and close to improve bending strength and microstructure.
Application publication number is that CN 105220087A Chinese invention patent discloses a kind of high tenacity Ti（C,N）Base Metal Ceramic composite and preparation method thereof, comprise the following steps：（1）CNT is fitted into chemical vapor deposition stove be passed through CH4 and H2,（2）Different time is incubated at 950 DEG C ~ 1100 DEG C,（3）Obtain the pyrocarbon coating of different-thickness.This preparation method provides Wetability between carbon fiber and CNT and ceramic matrix, improves fracture toughness, hardness and wearability.
Application publication number is that the A of CN 104690273 Chinese invention patent discloses a kind of nanometer Ti（C&N）Modified fund Belong to the preparation technology of sintex.Specifically include following operating procedure：（1）Pretreatment of raw material；（2）By mixed uniformly powder one It is same to pour into nylon ball grinder；（3）Add hard alloy and absolute ethyl alcohol carries out planetary type ball-milling；（4）Powder is mixed Drying process；（5）Molding, granulating；（6）It is compressing and dry；（7）Vacuum degreasing simultaneously sinters, that is, is molded.Gained cutter has High tenacity and hardness, plasticity_resistant deformation ability, anti-tipping blade function admirable.
The content of the invention
Still have high rigidity, height anti-at high temperature it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of The ceramic tool of curved intensity.Fully utilize TiB2Reinforcement and Ni nanoparticle and Mo, prepare one kind has at high temperature The cutter of high rigidity and high-flexural strength, preparation technology is simple, cutter good mechanical performance, it is valuable dilute to have saved Co, Ta and W etc. There is metal, be advantageous to improve national resources guarantee, promote the upgrading of China's Hardmetal materials.
In order to realize the purpose of the present invention, adopt the following technical scheme that：A kind of high rigidity Ti（C,N）Base ceramet tool bit Composite, it is characterised in that the component of the composite includes：Ti、TiB2、WC、C、Ni、Mo.Composite material can be Ti（C,N）-TiB2- WC and Ti（C,N）-TiB2- (W, Ti) C ceramic tool materials.
Ti is Ti（C5, N5）, atomic ratio C:N is 5:5, particle mean size is 1.5 μm, purity 99.9%, and mass fraction is 55%。
Powder TiB2It is a kind of enhancing phase, particle mean size is 2 μm, purity 99.%, mass fraction 20%.
WC particle mean sizes are 2 μm, purity 99.6%, and C is（W0.7, Ti0.3) C, particle mean size is 1.5 μm, purity 99%, WC and C mass fraction is 15%.
Ni is Ni nanoparticle, and particle mean size is 0.05 μm, and purity 99.9%, mass fraction 5%, Mo is nanometer Mo, average Granularity is 0.06 μm, purity 99%, mass fraction 5%.
Compared with prior art, the present invention has the advantages that：
（1）Select TiB2As addition phase, Ti can be effectively increased（C,N）The high temperature hardness of based composite metal sintex；
（2）WC and C addition can obtain preferable Fine Texture of Material, greatly improve Ti（C,N）Base composite ceramic cutter breaks Split toughness；
（3）Ni nanoparticle and Mo are added, greatly improves the high temperature hardness and bending strength of ceramic tool.
Embodiment
With reference to specific embodiment, the present invention is furture elucidated, it should be understood that these embodiments are merely to illustrate the present invention Rather than limitation the scope of the present invention, after the present invention has been read, various equivalences of the those skilled in the art to the present invention The modification of form falls within the application appended claims and limited.
Embodiment：
A kind of high rigidity Ti（C,N）Base ceramet tool bit composite, it is characterised in that the component of the composite includes： Ti、TiB2、WC、C、Ni、Mo.Composite material is Ti（C,N）-TiB2- WC or Ti（C,N）-TiB2- (W, Ti) C cermets Cutter material；Ti is Ti（C5,N5）, atomic ratio C:N is 5:5, particle mean size is 1.5 μm, purity 99.9%, and mass fraction is 55%；Powder TiB2It is a kind of enhancing phase, particle mean size is 2 μm, purity 99%, mass fraction 20%；WC particle mean sizes are 2 μ M, purity 99.6%, C are（W0.7, Ti0.3) C, particle mean size is 1.5 μm, purity 99%, and WC and C mass fraction are 15%；Ni is Ni nanoparticle, and particle mean size is 0.05 μm, purity 99.9%, mass fraction 5%, and Mo is nanometer Mo, particle mean size For 0.06 μm, purity 99%, mass fraction 5%.
Concrete technology：By the independent ball milling 96h of various starting powders, starting powder particle agglomeration and skewness are avoided, Weigh the weight of each component respectively using JAZ103 types electronic balance, put it into and fill in anhydrous hexanol polyurethane bucket, add Hard alloy WC balls, ball and material mass ratio are 8:1, the continuous ball milling 48h on ball mill.By the composite granule after ball milling in vacuum Dried in drying box, drying temperature is 100 ~ 110 DEG C, and dried composite granule crosses 100 mesh stainless steels sieve, is well mixed Composite granule, load graphite jig, to powder carry out precompressed, then using the technique of vacuum heating-press sintering, sintering temperature 1550 DEG C, pressure 32MPa, 60min is incubated afterwards.
Three embodiments of the present invention are above are only, but the design concept of the present invention is not limited thereto, all profits The change of unsubstantiality is carried out to the present invention with this design, the behavior for invading the scope of protection of the invention all should be belonged to.In every case it is Any type of letter made without departing from the content of technical solution of the present invention, the technical spirit according to the present invention to above example Single modification, equivalent variations and remodeling, still fall within the protection domain of technical solution of the present invention.

Claims (5)

  1. A kind of 1. high rigidity Ti（C,N）Base ceramet tool bit composite, it is characterised in that the component of the composite includes： Ti、TiB2, WC, C, Ni, Mo, composite material is Ti（C,N）-TiB2- WC or Ti（C,N）-TiB2- (W, Ti) C metal pottery Porcelain cutter material.
  2. 2. composite according to claim 1, it is characterised in that described Ti is Ti（C5,N5）, atomic ratio C:N is 5: 5, particle mean size is 1.5 μm, purity 99.9%, mass fraction 55%.
  3. 3. composite according to claim 1, it is characterised in that described powder TiB2It is a kind of enhancing phase, averagely grain Spend for 2 μm, purity 99%, mass fraction 20%.
  4. 4. composite according to claim 1, it is characterised in that described WC particle mean sizes are 2 μm, and purity is 99.6%, C are（W0.7, Ti0.3) C, particle mean size is 1.5 μm, purity 99%, and WC and C mass fraction are 15%.
  5. 5. composite according to claim 1, it is characterised in that described Ni is Ni nanoparticle, and particle mean size is 0.05 μ M, purity 99.9%, mass fraction 5%, Mo are nanometer Mo, and particle mean size is 0.06 μm, purity 99%, and mass fraction is 5%。
CN201710604367.8A 2017-07-24 2017-07-24 A kind of high rigidity Ti（C,N）Base ceramet tool bit composite Pending CN107385302A (en)

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CN201710604367.8A CN107385302A (en) 2017-07-24 2017-07-24 A kind of high rigidity Ti（C,N）Base ceramet tool bit composite

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN113025861A (en) * 2021-03-08 2021-06-25 昆山长鹰硬质材料科技股份有限公司 Mixed crystal Ti (C, N) -based metal ceramic material and preparation method thereof
CN114538930A (en) * 2022-03-23 2022-05-27 山东大学 Crack self-healing gradient functional ceramic cutter material and preparation method thereof
CN115386759A (en) * 2022-08-26 2022-11-25 西安工业大学 Ti (C7, N3)/TiB 2/WC micro-nano composite metal ceramic cutter material and preparation method thereof
CN115418542A (en) * 2022-07-12 2022-12-02 杭州巨星科技股份有限公司 Nano modified metal ceramic cutter material and preparation method thereof

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113025861A (en) * 2021-03-08 2021-06-25 昆山长鹰硬质材料科技股份有限公司 Mixed crystal Ti (C, N) -based metal ceramic material and preparation method thereof
CN114538930A (en) * 2022-03-23 2022-05-27 山东大学 Crack self-healing gradient functional ceramic cutter material and preparation method thereof
CN114538930B (en) * 2022-03-23 2023-01-17 山东大学 Crack self-healing gradient functional ceramic cutter material and preparation method thereof
CN115418542A (en) * 2022-07-12 2022-12-02 杭州巨星科技股份有限公司 Nano modified metal ceramic cutter material and preparation method thereof
CN115386759A (en) * 2022-08-26 2022-11-25 西安工业大学 Ti (C7, N3)/TiB 2/WC micro-nano composite metal ceramic cutter material and preparation method thereof
CN115386759B (en) * 2022-08-26 2023-10-03 西安工业大学 Ti (C) 7 ,N 3 )/TiB 2 WC micro-nano composite metal ceramic cutter material and preparation method thereof

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