CN105779843A - Alloy composite body and manufacturing method and application thereof - Google Patents
Alloy composite body and manufacturing method and application thereof Download PDFInfo
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- CN105779843A CN105779843A CN201610139740.2A CN201610139740A CN105779843A CN 105779843 A CN105779843 A CN 105779843A CN 201610139740 A CN201610139740 A CN 201610139740A CN 105779843 A CN105779843 A CN 105779843A
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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
- C22C29/06—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 carbides, but not containing other metal compounds
- C22C29/08—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 carbides, but not containing other metal compounds based on tungsten carbide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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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
- C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
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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
-
- 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
- C22C29/06—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 carbides, but not containing other metal compounds
- C22C29/067—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 carbides, but not containing other metal compounds comprising a particular metallic binder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/02—2 layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/536—Hardness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
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Abstract
The invention relates to the field of alloy materials, in particular to an alloy composite body and a manufacturing method and application of the alloy composite body. The alloy composite body comprises a steel board layer, a metal binding agent layer and a nano-cemented carbide material layer, wherein the steel board layer is combined with the nano-cemented carbide material layer through the metal binding agent layer; and the nano-cemented carbide material layer contains 40-65 wt% of coarse particle tungsten carbide, 20-45 wt% of nano-particle tungsten carbide and 5-40 wt% of cobalt with the total weight of the nano-cemented carbide material layer as the benchmark. The mechanical strength, hardness and abrasion resistance of the alloy composite body are very excellent, and when the alloy composite body is used for detaching toothed chains of maintenance and cleaning cars of rail tracks, the hardness and the mechanical strength of detaching toothed heads can be improved remarkably, and the service life of the detaching toothed heads can be prolonged remarkably.
Description
Technical field
The present invention relates to a kind of field of alloy material, in particular it relates to a kind of alloy complex, and
The preparation method and application of this alloy complex.
Background technology
Toothed chain taken off by railway permanent ways maintaining cleaning automobile-used GYKJ-RM80 type is to make during rail track cleaning
Critical piece and easily worn part.Present domestic railway permanent ways maintaining cleaning is automobile-used, and to take off toothed chain commonly used
Be low cost ZG45 mother metal forging finished product (mother metal without any wear-resisting and strengthen toughness alloy
Element).It is shorter that its shortcoming is the most wear-resisting, easy fracture, it takes off service life of toothed chain.In the face of domestic iron
Road maintenance of way cleaning automobile-used grilled teeth chain service life is short, cost is high, efficiency is low, labor strength is big
Etc. present situation, it is badly in need of developing a kind of anti abrasive Cemented Carbide.
Summary of the invention
It is an object of the invention to overcome the above-mentioned deficiency of technology, it is provided that a kind of alloy complex and this conjunction
The preparation method and application of gold complex.The hardness of the alloy complex of the present invention is high, wear-resistant, make
Use the life-span long, be particularly suited for use in taking off on toothed chain of railway permanent ways maintaining cleaning car.
The invention provides a kind of alloy complex, wherein, this alloy complex includes steel plate layer, gold
Belonging to adhesive layer and nano hard alloy material layer, described steel plate layer passes through metal adhesive layer with described
Nano hard alloy material layer combines, and described nano hard alloy material layer contains coarse granule carbonization
Tungsten, nanometer particle tungsten carbide and cobalt, on the basis of the gross weight of described nano hard alloy material layer,
The content of described coarse granule tungsten carbide is 40-65 weight %, and the content of described nanometer particle tungsten carbide is
20-45 weight %, the content of described cobalt is 5-40 weight %.
Present invention also offers a kind of method manufacturing above-mentioned alloy complex, wherein, the method bag
Include: steel plate layer, metal adhesive layer and nano hard alloy material layer are overlapped compacting successively and is pressed
Real plate, then carries out sweat soldering to described squeeze board so that the fusing of described metal adhesive layer from
And make described steel plate layer and described nano hard alloy material layer combine.
Invention additionally provides the alloy complex grilled teeth at railway permanent ways maintaining cleaning car of the present invention
Application on chain.
It was found by the inventors of the present invention that by the table that specific nano hard alloy material is bonded in steel plate
Layer, can obtain the alloy complex that mechanical strength, hardness and wearability are the most excellent, when for iron
Road maintenance of way cleaning car take off toothed chain, the hardness of grilled teeth head, mechanical strength can be significantly increased and make
Use the life-span.
Other features and advantages of the present invention will give specifically in detailed description of the invention part subsequently
Bright.
Detailed description of the invention
Hereinafter the detailed description of the invention of the present invention is described in detail.It should be appreciated that this place
The detailed description of the invention described is merely to illustrate and explains the present invention, is not limited to the present invention.
The invention provides a kind of alloy complex, wherein, this alloy complex includes steel plate layer, gold
Belonging to adhesive layer and nano hard alloy material layer, described steel plate layer passes through metal adhesive layer with described
Nano hard alloy material layer combines, and described nano hard alloy material layer contains coarse granule carbonization
Tungsten, nanometer particle tungsten carbide and cobalt, on the basis of the gross weight of described nano hard alloy material layer,
The content of described coarse granule tungsten carbide is 40-65 weight %, and the content of described nanometer particle tungsten carbide is
20-45 weight %, the content of described cobalt is 5-40 weight %.
In order to improve wearability and the toughness of described nano hard alloy material layer further, excellent
In the case of choosing, on the basis of the gross weight of described nano hard alloy material layer, described coarse granule carbonization
The content of tungsten is 50-60 weight %, and the content of described nanometer particle tungsten carbide is 30-40 weight %, institute
The content stating cobalt is 10-15 weight %.
In the present invention, the grain size of described coarse granule tungsten carbide and the grain size of nanometer particle tungsten carbide
Impact on the properties of described nano hard alloy material is more notable, described in order to improve further
The compactness of nano hard alloy tissue and uniformity, thus improve nano hard alloy material further
The wearability of layer and toughness, the grain size of the described coarse granule tungsten carbide of the present invention can be
1.8-5.5 μm, preferably 2.5-3.5 μm；The grain size of described nanometer particle tungsten carbide can be
0.1-0.4 μm, preferably 0.2-0.3 μm.
In the present invention, the model of the steel used by described steel plate and the content of the most each element are the brightest
True restriction, in situations where it is preferred, on the basis of the gross weight of described steel plate layer, C in this steel plate layer
Content be 1-1.4 weight %, the content of Mn is 16-19 weight %, and the content of Cr is 2-3 weight %,
The content of Mo is 0.2-0.5 weight %, content≤0.5 weight % of Si, content≤0.07 weight of P
The content of amount %, Fe is 75.53-80.8 weight %；It is highly preferred that with the gross weight of described steel plate layer be
Benchmark, in this steel plate layer, the content of C is 1.2-1.3 weight %, and the content of Mn is 17-18 weight %,
The content of Cr is 2.4-2.6 weight %, and the content of Mo is 0.3-0.4 weight %, content≤0.3 weight of Si
Content≤0.05 weight % of amount %, P, the content of Fe is 77.35-79.1 weight %.
In the present invention, it is preferred to, the type of the steel used by steel plate layer used is ultra-high manganese steel, example
As being the ultra-high manganese steel of ZGMn18 for model.
In the present invention, the thickness of described nano hard alloy material layer can be 1-5mm, is preferably
2-4mm, the nano hard alloy material layer of this thickness goes for the steel plate layer of various thickness, institute
The thickness stating steel plate layer can determine according to actual needs, such as, can be 0.5-5cm.
In the present invention, the kind of the metal adhesive in described metal adhesive layer the most particularly limits
Fixed, can be relatively low can at high temperature the melting thus gold that metal is bonded together of various fusing point
Belong to binding agent, for example, copper.Described metal adhesive can use with the form of sheet metal, it is possible to
Use with the form with metal dust.In the present invention, such as can use thickness is 0.3-0.6mm's
Copper foil.
In the present invention, described nano hard alloy material layer is by carrying out nano hard alloy material
Sintering and obtain, wherein, described nano hard alloy material contains coarse granule tungsten carbide, nano particle
Tungsten carbide and cobalt powder.Described the process that nano hard alloy material is sintered the most particularly is limited
Fixed, such as may comprise steps of:
(1) coarse granule tungsten carbide, nanometer particle tungsten carbide, cobalt powder and forming agent rubber are mixed,
Then carry out mechanical pressurization forming processes, obtain the blank of shaping；
(2) under vacuum conditions, the blank of described shaping is sintered；
According to the present invention, in step (2), the condition of described sintering processes is not particularly limited,
Under preferable case, the condition of described sintering processes includes: temperature is 1400-1500 DEG C, is preferably
1430-1440℃；Vacuum is 300-600Pa, preferably 350-650Pa, more preferably
350-450Pa；Time is 8-11 hour, preferably 9-10 hour.
In the present invention, described cobalt powder can melt thus by coarse granule tungsten carbide and nanometer when sintering
Particle tungsten carbide molding bonded, there is no particular limitation for the grain size of the most described cobalt powder, the most permissible
For 3.5-6.5 μm, preferably 4-5 μm.
In the present invention, described binder rubber is for by described coarse granule tungsten carbide, nano particle carbon
Change tungsten and cobalt powder bonding makes it can be molded during mechanical pressurization, described in 100 weight portions
Coarse granule tungsten carbide, the content of described binder rubber can be 15-37.5 weight portion, preferably 20-32
Weight portion.Described binder rubber can be that commonly used in the art being used for forms nano hard alloy
Binder rubber, under preferable case, described binder rubber selected from buna, butadiene-styrene rubber,
Butadiene rubber, SBS thermoplastic elastomer (TPE) (SBS) rubber
With in SIS thermoplastic elastomer (TPE) (SIS) rubber at least
A kind of.
In the present invention, main relative to prior art of the preparation method of described Nanoalloy material layer
Be improved by providing the coarse granule tungsten carbide of the above-mentioned content of the present invention, nanometer particle tungsten carbide and
Cobalt, it is preferable that additionally provide coarse granule tungsten carbide and the nano particle carbonization with above-mentioned grain size
Tungsten, therefore, concrete technology condition and the operating procedure of described nano hard alloy preparation method all can be pressed
Carry out according to prior art.Such as, a preferred embodiment of the invention, specifically, described
The preparation method of hard nanometer alloy material layer includes: be 1.8-5.5 μm by the grain size of 100 weight portions
Coarse granule tungsten carbide, the nanometer particle tungsten carbide that grain size is 0.1-0.4 μm of 46-87.5 weight portion,
The grain size of 8.5-25 weight portion is cobalt powder and the forming agent rubber of 15-37.5 weight portion of 3.5-6.5 μm
Mix, then carry out mechanical pressurization forming processes, obtain shaping blank；In vacuum it is
Under the vacuum environment of 350-600Pa, by the blank of described shaping under the conditions of temperature is 1400-1500 DEG C
It is sintered 8-11 hour.It is highly preferred that the preparation method of described hard nanometer alloy includes:
By the coarse granule tungsten carbide that grain size is 2.5-3.5 μm of 100 weight portions, the grain size of 52-64 weight portion
For the nanometer particle tungsten carbide of 0.2-0.3 μm, the cobalt powder that grain size is 4-5 μm of 15-20 weight portion with
And the forming agent rubber of 20-32 weight portion mixes, then carry out mechanical pressurization forming processes, obtain
Shaping blank；Under the vacuum environment that vacuum is 350-450Pa, by the blank of described shaping in temperature
It is sintered 9-10 hour under the conditions of 1430-1440 DEG C.
Present invention also offers a kind of method manufacturing above-mentioned alloy complex, wherein, the method bag
Include: steel plate layer, metal adhesive layer and nano hard alloy material layer are overlapped compacting successively and is pressed
Real plate, then carries out sweat soldering to described squeeze board so that the fusing of described metal adhesive layer from
And make described steel plate layer and described nano hard alloy material layer combine.
In the present invention, there is no particular limitation, according to this area for the consumption of described metal adhesive layer
Conventional consumption, the thickness of metal adhesive layer the most before welding can be 0.3-0.6mm.
In the manufacturing process of the present invention, described sweat soldering technique can use the work that this area is conventional
Skill, such as, the temperature of described sweat soldering can be 1100-1300 DEG C, is preferably
1100-1200℃。
In the present invention, described sweat soldering technique is preferably high frequency brazing sweat soldering technique, permissible
Use high frequency brazing machine is carried out.Concrete technological parameter and method of operating can be that this area is conventional,
Do not repeat them here.
Invention additionally provides the alloy complex grilled teeth at railway permanent ways maintaining cleaning car of the present invention
Application on chain.Hardness and the wearability of the alloy complex of the present invention are the most excellent, when for railway
Maintenance of way cleaning car take off toothed chain, the hardness of grilled teeth head, mechanical strength and use can be significantly increased
Life-span.
Hereinafter will be described the present invention by embodiment.
In the following Examples and Comparative Examples, coarse granule tungsten carbide, nanometer particle tungsten carbide and cobalt powder
It is purchased from Zhang Yuanwu industry company.
Preparation example 1
By the coarse granule tungsten carbide that grain size is 3 μm of 100 weight portions, the grain size of 58 weight portions it is
The nanometer particle tungsten carbide of 0.25 μm, the cobalt powder that grain size is 4.5 μm of 18 weight portions and 25 weight portions
Butadiene-styrene rubber mix, then carry out mechanical pressurization forming processes and obtain shaping blank；In vacuum
Degree is about under the vacuum environment of 400Pa, is sintered at a temperature of the blank 1435 DEG C of described shaping
Process 9.5 hours, obtain nano hard alloy J1.
Through calculating, on the basis of the gross weight of gained nano hard alloy J1, described coarse granule carbonization
The content of tungsten is 57 weight %, and the content of described nanometer particle tungsten carbide is 33 weight %, described cobalt
Content is 10 weight %.
Preparation example 2
By the coarse granule tungsten carbide that grain size is 2.5 μm of 100 weight portions, the grain size of 64 weight portions
It is the nanometer particle tungsten carbide of 0.20 μm, the cobalt powder that grain size is 4.0 of 15 weight portions and 20 weight portions
Butadiene rubber mix, then carry out mechanical pressurization forming processes, obtain shaping blank；Very
Reciprocal of duty cycle is about under the vacuum environment of 410Pa, burns at a temperature of the blank 1430 DEG C of described shaping
Knot processes 10 hours, obtains nano hard alloy J2.
Through calculating, on the basis of the gross weight of gained nano hard alloy J2, described coarse granule carbonization
The content of tungsten is 56 weight %, and the content of described nanometer particle tungsten carbide is 36 weight %, described cobalt
Content is 8 weight %.
Preparation example 3
By the coarse granule tungsten carbide that grain size is 3.5 μm of 100 weight portions, the grain size of 52 weight portions
It is the nanometer particle tungsten carbide of 0.30 μm, the cobalt powder that grain size is 5.0 of 20 weight portions and 30 weight portions
Buna mix, then carry out mechanical pressurization forming processes, obtain shaping blank；Very
Reciprocal of duty cycle is about under the vacuum environment of 430Pa, burns at a temperature of the blank 1440 DEG C of described shaping
Knot processes 9 hours, obtains nano hard alloy J3.
Through calculating, on the basis of the gross weight of gained nano hard alloy J3, described coarse granule carbonization
The content of tungsten is 58 weight %, and the content of described nanometer particle tungsten carbide is 30 weight %, described cobalt
Content is 12 weight %.
Preparation example 4
The nano hard alloy of the present invention is prepared according to the method for embodiment 1, except that, nanometer
The grain size of grain tungsten carbide is 5.0 μm, obtains nano hard alloy J4.
Through calculating, on the basis of the gross weight of gained nano hard alloy J4, described coarse granule carbonization
The content of tungsten is 57 weight %, and the content of described nanometer particle tungsten carbide is 33 weight %, described cobalt
Content is 10 weight %.
Preparation comparative example 1
The nano hard alloy of reference is prepared according to the method for preparation example 1, except that, nano particle
The consumption of tungsten carbide is 25 weight portions, obtains reference nano hard alloy DJ1.
Through calculating, on the basis of the gross weight of gained nano hard alloy J4, described coarse granule carbonization
The content of tungsten is 70 weight %, and the content of described nanometer particle tungsten carbide is 17 weight %, described cobalt
Content is 13 weight %.
Preparation comparative example 2
The nano hard alloy of reference is prepared according to the method for preparation example 1, except that, the use of cobalt powder
Amount is 7 weight portions, obtains reference nano hard alloy DJ2.
Through calculating, on the basis of the gross weight of gained nano hard alloy J4, described coarse granule carbonization
The content of tungsten is 61 weight %, and the content of described nanometer particle tungsten carbide is 35 weight %, described cobalt
Content is 4 weight %.
Embodiment 1-4
By nano hard alloy material J1～J4 (the most corresponding embodiment 1-4) pressure of preparation example 1-4 gained
Sheet becomes the nano hard alloy material layer of certain thickness (being shown in Table 1), is 1cm's with thickness respectively
(thickness is that the copper of 0.2mm is thin for ZGMn18 steel plate layer (elemental composition is shown in Table 1) and metal adhesive layer
Sheet) according to being followed successively by the suitable of nano hard alloy material layer, metal adhesive layer and steel plate layer from top to bottom
Sequence overlaps compacting successively and obtains squeeze board, then uses high frequency brazing machine that this squeeze board is carried out thermofussion welding
Connect so that copper foil melts so that described steel plate layer and described nano hard alloy material layer are bonded in
Together.The concrete technology parameter of sweat soldering is shown in Table 1.
Comparative example 1-2
Carry out according to the method for embodiment 1-4, except that, use contrast preparation 1-2 to prepare
Nano hard alloy material DJ1～DJ2.
Comparative example 3-5
Carry out according to the method for embodiment 1, except that, change technological parameter, be specifically shown in Table 1.
Table 1
Test case
Alloy complex obtained by embodiment 1-4 and comparative example 1-5 is carried out following test, and will knot
Fruit is remembered in table 2:
1) mean grain size (μm) of nano hard alloy: by limited purchased from the special instrument in Dandong City hundred
Company's model is that the Intelligent Laser granularity instrument of Bettersize is tested.
2) density (kg/m of nano hard alloy3): use and open up the limited public affairs of instrument with purchased from Dongguan City is grand
Department's model is the hard alloy density tester test of DE-120M.
3) hardness (HRA) of alloy complex: by by purchased from Beijing epoch scientific & technical corporation of Linkage
Model is that the Rockwell apparatus instrument of THRS-150 is tested.
4) the tensile strength Rm (N/mm of alloy complex2) by public purchased from Beijing epoch Linkage's science and technology
Department's model is that the universal testing machine of WB-100 is tested.
Table 2
From table 2 it can be seen that the alloy complex of the present invention has tensile strength and the hardness of excellence, aobvious
Work is better than comparative example.The hardness of the alloy complex of the present invention can reach more than 92HRA, and tension is strong
Degree can reach 980N/mm2Above, and the mean grain size of nano hard alloy material therein can
To reach below 3.5 μm, density can reach 13kg/m3Above.Therefore, the alloy of the present invention is combined
Body when for the grilled teeth chain of railway permanent ways maintaining cleaning car, can significantly increase grilled teeth head hardness,
Mechanical strength and service life.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited to above-mentioned
Detail in embodiment, in the technology concept of the present invention, can be to the skill of the present invention
Art scheme carries out multiple simple variant, and these simple variant belong to protection scope of the present invention.Additionally
It should be noted that each the concrete technical characteristic described in above-mentioned detailed description of the invention, not
In the case of contradiction, can be combined by any suitable means, in order to avoid unnecessary weight
Multiple, various possible combinations are illustrated by the present invention the most separately.Additionally, the present invention various not
Can also be combined between same embodiment, as long as it is without prejudice to the thought of the present invention, its
Content disclosed in this invention should be considered as equally.
Claims (11)
1. an alloy complex, it is characterised in that this alloy complex includes that steel plate layer, metal are viscous
Knot oxidant layer and nano hard alloy material layer, described steel plate layer is hard with described nanometer by metal adhesive layer
Matter alloy material layer combines, and described nano hard alloy material layer contains coarse granule tungsten carbide, nanometer
Grain tungsten carbide and cobalt, on the basis of the gross weight of described nano hard alloy material layer, described coarse granule carbon
The content changing tungsten is 40-65 weight %, and the content of described nanometer particle tungsten carbide is 20-45 weight %,
The content of described cobalt is 5-40 weight %.
Alloy complex the most according to claim 1, wherein, with described nano hard alloy material
On the basis of the gross weight of the bed of material, the content of described coarse granule tungsten carbide is 50-60 weight %, described nanometer
The content of particle tungsten carbide is 30-40 weight %, and the content of described cobalt is 10-15 weight %.
Alloy complex the most according to claim 1 and 2, wherein, described coarse granule tungsten carbide
Grain size be 1.8-5.5 μm, the grain size of described nanometer particle tungsten carbide is 0.1-0.4 μm；
Preferably, the grain size of described coarse granule tungsten carbide is 2.5-3.5 μm, described nano particle carbonization
The grain size of tungsten is 0.2-0.3 μm.
4. want the alloy complex described in 1 according to right, wherein, with the gross weight of described steel plate layer be
Benchmark, in this steel plate layer, the content of C is 1-1.4 weight %, and the content of Mn is 16-19 weight %, Cr
Content be 2-3 weight %, the content of Mo is 0.2-0.5 weight %, content≤0.5 weight % of Si,
Content≤0.07 weight % of P, the content of Fe is 75.53-80.8 weight %；
Preferably, the thickness of described steel plate layer is 0.5-5cm.
5. want the alloy complex described in 1, wherein, described nano hard alloy material layer according to right
Thickness be 1-5mm.
6. wanting the alloy complex described in 1 according to right, wherein, described metal adhesive layer is copper
Layer.
7. according to the alloy complex described in any one in claim 1-6, wherein, described nanometer
Hardmetal materials layer obtains by being sintered by nano hard alloy material, wherein, described in receive
Rice Hardmetal materials contains coarse granule tungsten carbide, nanometer particle tungsten carbide and cobalt powder；
Preferably, it is sintered including by described nano hard alloy material:
(1) coarse granule tungsten carbide, nanometer particle tungsten carbide, cobalt powder and forming agent rubber are mixed,
And it is molded into blank；
(2) under vacuum conditions, the blank of shaping is sintered；
Preferably, in step (2), the condition of described sintering processes includes: temperature is
1400-1500 DEG C, vacuum is 300-600Pa, and the time is 8-11 hour；
It is highly preferred that temperature is 1430-1440 DEG C, vacuum is 350-450Pa, and the time is that 9-10 is little
Time.
8. a method for alloy complex described in any one in manufacturing claims 1-7, it is special
Levying and be, the method includes: steel plate layer, metal adhesive layer and nano hard alloy material layer are depended on
Secondary overlapping compacting obtains squeeze board, then described squeeze board is carried out sweat soldering, so that described gold
Belong to adhesive layer to melt so that described steel plate layer and described nano hard alloy material layer are combined in one
Rise.
Method the most according to claim 8, wherein, the thickness of described metal adhesive layer is
0.1-0.3mm。
Method the most according to claim 8, wherein, the temperature of described sweat soldering is
1100-1300℃；
Preferably, described sweat soldering is high frequency brazing sweat soldering.
In 11. claims 1-7, the alloy complex described in any one is at railway permanent ways maintaining cleaning car
The application taken off on toothed chain.
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| CN113249656A (en) * | 2021-05-11 | 2021-08-13 | 江阴市瑞华机械制造有限公司 | Anti-sticking wear-resistant composite steel plate and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4436775A (en) * | 1981-06-24 | 1984-03-13 | General Electric Company | Hard metal body and method of making same |
| CN1210770A (en) * | 1998-07-31 | 1999-03-17 | 姚雷雨 | Hard alloy wear resistant parts and the producing method |
| JP2010248060A (en) * | 2009-03-23 | 2010-11-04 | Toyota Central R&D Labs Inc | High temperature-resistant member, method for producing the same, and high temperature-resistant adhesive |
| CN102418022A (en) * | 2011-10-31 | 2012-04-18 | 山东金天牛矿山机械有限公司 | Hard alloy material for ore |
| CN103643100A (en) * | 2013-12-11 | 2014-03-19 | 中国神华能源股份有限公司 | Nanocrystalline hard alloy and preparation method thereof |
-
2016
- 2016-03-11 CN CN201610139740.2A patent/CN105779843B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4436775A (en) * | 1981-06-24 | 1984-03-13 | General Electric Company | Hard metal body and method of making same |
| CN1210770A (en) * | 1998-07-31 | 1999-03-17 | 姚雷雨 | Hard alloy wear resistant parts and the producing method |
| JP2010248060A (en) * | 2009-03-23 | 2010-11-04 | Toyota Central R&D Labs Inc | High temperature-resistant member, method for producing the same, and high temperature-resistant adhesive |
| CN102418022A (en) * | 2011-10-31 | 2012-04-18 | 山东金天牛矿山机械有限公司 | Hard alloy material for ore |
| CN103643100A (en) * | 2013-12-11 | 2014-03-19 | 中国神华能源股份有限公司 | Nanocrystalline hard alloy and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113249656A (en) * | 2021-05-11 | 2021-08-13 | 江阴市瑞华机械制造有限公司 | Anti-sticking wear-resistant composite steel plate and preparation method thereof |
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