CN106222474A - A kind of preparation method of silver molybdenum sulfide sliding contact material - Google Patents
A kind of preparation method of silver molybdenum sulfide sliding contact material Download PDFInfo
- Publication number
- CN106222474A CN106222474A CN201610742307.8A CN201610742307A CN106222474A CN 106222474 A CN106222474 A CN 106222474A CN 201610742307 A CN201610742307 A CN 201610742307A CN 106222474 A CN106222474 A CN 106222474A
- Authority
- CN
- China
- Prior art keywords
- sliding contact
- contact material
- silver
- molybdenum sulfide
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- LQYHEVAVNCQRTQ-UHFFFAOYSA-N molybdenum;sulfanylidenesilver Chemical compound [Mo].[Ag]=S LQYHEVAVNCQRTQ-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims abstract description 10
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000007493 shaping process Methods 0.000 claims abstract description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052709 silver Inorganic materials 0.000 claims abstract description 5
- 239000004332 silver Substances 0.000 claims abstract description 5
- 239000012798 spherical particle Substances 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 229910052961 molybdenite Inorganic materials 0.000 claims description 15
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 15
- 239000008187 granular material Substances 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 2
- 230000004927 fusion Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 239000000155 melt Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000004593 Epoxy Substances 0.000 abstract description 3
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 235000007164 Oryza sativa Nutrition 0.000 abstract 1
- 235000013339 cereals Nutrition 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000011812 mixed powder Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 235000009566 rice Nutrition 0.000 abstract 1
- 238000009827 uniform distribution Methods 0.000 abstract 1
- 238000005266 casting Methods 0.000 description 8
- 239000002131 composite material Substances 0.000 description 4
- 238000004663 powder metallurgy Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Classifications
-
- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1005—Pretreatment of the non-metallic additives
- C22C1/1015—Pretreatment of the non-metallic additives by preparing or treating a non-metallic additive preform
-
- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
-
- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
- C22C1/1052—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites by mixing and casting metal matrix composites with reaction
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0089—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with other, not previously mentioned inorganic compounds as the main non-metallic constituent, e.g. sulfides, glass
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/06—Alloys based on silver
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
Abstract
The present invention discloses the preparation method of a kind of silver molybdenum sulfide sliding contact material, belongs to sliding contact material technical field.The method of the invention is by receiving the MoS of (micro-) grain of rice degree to having self-lubricating property2Powder body material carries out pelletize, it is thus achieved that the spherical particles of about 0.01mm～1.5mm, and this spherical particles epoxy bond is become differently shaped particle group, and then these differently shaped particles group is bonded in the inner surface of mould；Finally the silvering solution of fusing is poured in shaping dies, is uniform-distribution with hexagon or five deformation or the difform MoS with self-lubricating property such as circle preparing surface2The silver-based sliding contact material of particle swarm.The advantage of the method is that with short production cycle, technique is simple, and without wastage of material, be not required to mixed powder, be not required to the techniques such as extruding and drawing molding；And owing to using pouring technology, the silver-colored molybdenum sulfide sliding contact material prepared relative to currently used PM technique has the advantages such as conductivity, resistance to electrical wear are good.
Description
Technical field
The present invention relates to the preparation method of a kind of silver molybdenum sulfide sliding contact material, use the method for melting and casting to prepare
Surface distributed has the silver-based sliding contact material of self-lubricating granule molybdenum sulfide, belongs to sliding contact material technical field.
Background technology
Silver molybdenum sulfide (AgMoS2) composite be a kind of slip being widely used as in the space flight mechanisms such as satellite make electrical contact with material
Material, Main Function is electrical power and the telemetered signal of Satellite vapour image to be delivered in satellite body.The quality of its performance
Directly decide the stability of Circuits System, accuracy and life-span.
Conventional AgMoS2The technology of preparing of composite contact material mainly uses PM technique, its technique be by
The Ag powder of certain particle size and MoS2After powder is sufficiently mixed, complete through several steps such as compacting, sintering, densifications.This technique
Advantage be simple to operate, different MoS can be prepared according to actual needs2The AgMoS of content2Composite；Shortcoming is Ag and MoS2
Interface easily contaminated in preparation, interface cohesion is poor, and MoS2Granule skewness in silver matrix, causes
AgMoS2Conductivity of composite material and the instability of wearability, have a strong impact on stability and the accuracy of Circuits System.
The present invention is directed to AgMoS prepared by powder metallurgy2The deficiency that known technology exists, it is proposed that a kind of by simple casting
Make and obtain the AgMoS with self-lubricating property2Sliding contact material.
Summary of the invention
It is an object of the invention to provide a kind of silver molybdenum sulfide sliding contact material preparation method, specifically include following step
Rapid: MoS2Powder body material carries out pelletize and is prepared as the spherical particles of a diameter of 0.01mm～1.5mm, then that this is the most spherical
Granule is bonded to particle swarm, and this particle swarm is bonded on the inwall of shaping dies (holding between particle swarm and particle swarm
The distance of 0.5mm～10mm), and the silvering solution of fusing is poured in shaping dies, finally preparing surface has MoS2Particle swarm
Silver-colored molybdenum sulfide sliding contact material.
Preferably, MoS of the present invention2The granularity of powder body is 50nm-50um.
Preferably, particle swarm of the present invention can be circle, square, rectangle, pentagon, hexagon, linear type
Pole shape, the particle swarm used in each preparation process can be one or more in these shapes；When using a kind of
The silver-colored molybdenum sulfide sliding contact material surface prepared during grain group is only distributed the MoS of a kind of shape2Particle swarm, works as use
The silver-colored molybdenum sulfide sliding contact material surface prepared during multiple particle swarm is only distributed the MoS of various shape2Particle swarm；
Wherein circle, square, rectangle, pentagon, hexagonal thickness are 1.5mm-9mm；Linear type pole shape a diameter of
1.5mm-7.5mm.In addition to linear type pole shape particle swarm, the enclosed area of particle swarm of other shapes is not more than 80 square millimeters.
Preferably, it is epoxy resin that spheroidal particle is bonded to the binding agent used in particle swarm process.
Preferably, shaping dies of the present invention need to first pass through spray carbon process.
Preferably, melting and the pouring condition of described silver liquation of the present invention is: fusion temperature is 980-1100 DEG C, molten
The silvering solution graphite powder changed or activated carbon powder cover, and pouring temperature is 970-1050 DEG C.
Beneficial effects of the present invention:
(1) traditional preparation AgMoS has been abandoned2Sliding contact material frequently with powder metallurgy process need pressed compact, sinter, squeeze
The techniques such as pressure, drawing, shorten technological process.
(2) AgMoS relative to powder metallurgic method, prepared by the present invention2The consistency of sliding contact material is higher, tool
There is good conductivity.
(3) AgMoS prepared by the present invention2Sliding contact material product and AgMoS in the market2Slide and make electrical contact with
Material is compared, and has the advantage that organizational structure is adjustable, consistency is high, conductivity is good, wearability is good, thus has good city
Field prospect.
Accompanying drawing explanation
Fig. 1 is differently shaped particle group.
Fig. 2 is the process chart of the present invention.
Specific embodiments
Below in conjunction with drawings and Examples, the present invention is further elaborated, but the protection content of the present invention is not limited to implement
Scope described in example.
Embodiment 1
Such as the technological process of Fig. 2, by the MoS of 50nm granularity2Powder is a granulated into the spheroidal particle of 0.1mm, and is used by 0.1mm granule
Epoxy bond becomes such as the hexagon (this hexagon area that particle swarm encloses is about 80 square millimeters) in Fig. 1, by 10 six
It is hexagon MoS thick for 1mm that limit shape is bonded to thickness2Particle swarm；Then by multiple hexagon MoS2Particle swarm is bonded to through overspray
The inwall of the casting mould that carbon processes, and make MoS2The distance of 10mm is kept between particle swarm and particle swarm；Finally 980 DEG C are melted
The silvering solution (top layer activated carbon covers) changed is poured in casting mould the pouring temperatures of 970 DEG C and prepares MoS2Strengthen
AgMoS2Sliding contact material.
Embodiment 2
Such as the technological process of Fig. 2, by the MoS of 800nm granularity2Powder is a granulated into the spheroidal particle of 0.01mm, and by 0.01mm granule
Such as the square (this square area that particle swarm encloses is about 5 square millimeters) in Fig. 1 is become, by 50 just by epoxy bond
The square thickness that is bonded to is square MoS thick for 0.5mm2Particle swarm；Then by multiple this square MoS2Particle swarm be bonded to through
The inwall of the casting mould that overspray carbon processes, and make MoS2The distance of 2mm is kept between particle swarm and particle swarm；Finally by 1020
DEG C fusing silvering solution (top layer activated carbon covers) the pouring temperatures of 1000 DEG C be poured in casting mould prepare MoS2Strengthen
AgMoS2Sliding contact material.
Embodiment 3
Such as the technological process of Fig. 2, the graphite powder of 50um granularity is a granulated into the spheroidal particle of 0.5mm, and by 0.5mm granule ring
Epoxy resins be bonded to such as Fig. 1 in round bar shape, and make the MoS of pole2The diameter of particle swarm reaches 2mm；Then by multiple this
The pole MoS of a diameter of 2mm2Particle swarm is bonded to the inwall of the casting mould processed through overspray carbon, and makes MoS2Particle swarm with
The distance of 5mm is kept between particle swarm；Finally by 1100 DEG C of silvering solutions (top layer activated carbon covers) melted the cast of 1050 DEG C
Temperature is poured in casting mould and prepares MoS2Strengthen AgMoS2Sliding contact material.
Claims (8)
1. a silver-colored molybdenum sulfide sliding contact material preparation method, it is characterised in that specifically include following steps: MoS2Powder body
Material carries out pelletize and is prepared as the spherical particles of a diameter of 0.01mm～1.5mm, is the most then bonded to by this spheroidal particle
Grain group, and this particle swarm is bonded on the inwall of shaping dies, and the silvering solution of fusing is poured in shaping dies, finally make
MoS is had for going out surface2The silver-colored molybdenum sulfide sliding contact material of particle swarm.
Silver molybdenum sulfide sliding contact material preparation method the most according to claim 1, it is characterised in that: MoS2The grain of powder body
Degree is 50nm-50um.
The preparation method of silver molybdenum sulfide sliding contact material the most according to claim 1, it is characterised in that: described granule
The shape of group can be circle, square, rectangle, pentagon, hexagon, linear type pole shape；Wherein circular, square,
Rectangle, pentagon, hexagonal thickness are 1.5mm-9mm；A diameter of 1.5mm-7.5mm of linear type pole shape.
The preparation method of silver molybdenum sulfide sliding contact material the most according to claim 1, it is characterised in that: except linear type
Outside pole shape particle swarm, the enclosed area of particle swarm of other shapes is not more than 80 square millimeters.
The most according to claim 1 silver molybdenum sulfide sliding contact material preparation method, it is characterised in that: particle swarm with
The distance of 0.5mm～10mm is kept between particle swarm.
The preparation method of silver molybdenum sulfide sliding contact material the most according to claim 1, it is characterised in that: by spherical
It is epoxy resin that grain is bonded to the binding agent used in particle swarm process.
The preparation method of silver molybdenum sulfide sliding contact material the most according to claim 1, it is characterised in that: shaping dies
First pass through spray carbon before using to process.
The preparation method of silver molybdenum sulfide sliding contact material the most according to claim 1, it is characterised in that: described silver melts
The melting of liquid and pouring condition be: fusion temperature is 980-1100 DEG C, and the silvering solution graphite powder of fusing or activated carbon powder cover, and water
Note temperature is 970-1050 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742307.8A CN106222474B (en) | 2016-08-29 | 2016-08-29 | A kind of preparation method of silver-colored molybdenum sulfide sliding contact material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742307.8A CN106222474B (en) | 2016-08-29 | 2016-08-29 | A kind of preparation method of silver-colored molybdenum sulfide sliding contact material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106222474A true CN106222474A (en) | 2016-12-14 |
| CN106222474B CN106222474B (en) | 2017-11-10 |
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| CN201610742307.8A Active CN106222474B (en) | 2016-08-29 | 2016-08-29 | A kind of preparation method of silver-colored molybdenum sulfide sliding contact material |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030209103A1 (en) * | 2002-05-10 | 2003-11-13 | Komatsu Ltd. | Cooper-based sintering sliding material and multi-layered sintered sliding member |
| JP2006037179A (en) * | 2004-07-28 | 2006-02-09 | Taiho Kogyo Co Ltd | Pb-FREE COPPER-ALLOY-BASED COMPOSITE SLIDING MATERIAL SUPERIOR IN SEIZURE RESISTANCE |
| JP2006037180A (en) * | 2004-07-28 | 2006-02-09 | Taiho Kogyo Co Ltd | COMPOSITE SLIDING MATERIAL SUPERIOR IN SEIZURE RESISTANCE MADE OF Pb-FREE COPPER ALLOY |
| CN101619406A (en) * | 2009-07-24 | 2010-01-06 | 核工业理化工程研究院华核新技术开发公司 | High-temperature nickel-based self-lubricating material and preparation method thereof |
-
2016
- 2016-08-29 CN CN201610742307.8A patent/CN106222474B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030209103A1 (en) * | 2002-05-10 | 2003-11-13 | Komatsu Ltd. | Cooper-based sintering sliding material and multi-layered sintered sliding member |
| JP2006037179A (en) * | 2004-07-28 | 2006-02-09 | Taiho Kogyo Co Ltd | Pb-FREE COPPER-ALLOY-BASED COMPOSITE SLIDING MATERIAL SUPERIOR IN SEIZURE RESISTANCE |
| JP2006037180A (en) * | 2004-07-28 | 2006-02-09 | Taiho Kogyo Co Ltd | COMPOSITE SLIDING MATERIAL SUPERIOR IN SEIZURE RESISTANCE MADE OF Pb-FREE COPPER ALLOY |
| CN101619406A (en) * | 2009-07-24 | 2010-01-06 | 核工业理化工程研究院华核新技术开发公司 | High-temperature nickel-based self-lubricating material and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN106222474B (en) | 2017-11-10 |
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